src/ucx/string.c

Sat, 25 Mar 2023 17:18:51 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 25 Mar 2023 17:18:51 +0100
changeset 489
921f83a8943f
parent 438
22eca559aded
child 490
d218607f5a7e
permissions
-rw-r--r--

fix PUT could potentially return a wrong status code

91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
29 #include "cx/string.h"
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
30 #include "cx/utils.h"
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
31
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <string.h>
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include <stdarg.h>
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
34 #include <ctype.h>
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
36 #ifndef _WIN32
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
37
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
38 #include <strings.h> // for strncasecmp()
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
39
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
40 #endif // _WIN32
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
42 cxmutstr cx_mutstr(char *cstring) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
43 return (cxmutstr) {cstring, strlen(cstring)};
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
46 cxmutstr cx_mutstrn(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
47 char *cstring,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
48 size_t length
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
49 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
50 return (cxmutstr) {cstring, length};
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
51 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
52
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
53 cxstring cx_str(const char *cstring) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
54 return (cxstring) {cstring, strlen(cstring)};
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
55 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
56
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
57 cxstring cx_strn(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
58 const char *cstring,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
59 size_t length
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
60 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
61 return (cxstring) {cstring, length};
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
64 cxstring cx_strcast(cxmutstr str) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
65 return (cxstring) {str.ptr, str.length};
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
66 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
67
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
68 void cx_strfree(cxmutstr *str) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
69 free(str->ptr);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
70 str->ptr = NULL;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
71 str->length = 0;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
72 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
73
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
74 void cx_strfree_a(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
75 CxAllocator *alloc,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
76 cxmutstr *str
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
77 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
78 cxFree(alloc, str->ptr);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
79 str->ptr = NULL;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
80 str->length = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
81 }
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
82
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
83 size_t cx_strlen(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
84 size_t count,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
85 ...
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
86 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
87 if (count == 0) return 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
88
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 va_list ap;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
90 va_start(ap, count);
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
91 size_t size = 0;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
92 cx_for_n(i, count) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
93 cxstring str = va_arg(ap, cxstring);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94 size += str.length;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 va_end(ap);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 return size;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
101 cxmutstr cx_strcat_a(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
102 CxAllocator *alloc,
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
103 size_t count,
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
104 ...
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
105 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
106 cxstring *strings = calloc(count, sizeof(cxstring));
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
107 if (!strings) abort();
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
108
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
109 va_list ap;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
110 va_start(ap, count);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
111
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
112 // get all args and overall length
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
113 size_t slen = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
114 cx_for_n(i, count) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
115 cxstring s = va_arg (ap, cxstring);
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
116 strings[i] = s;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
117 slen += s.length;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
118 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
119
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
120 // create new string
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
121 cxmutstr result;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
122 result.ptr = cxMalloc(alloc, slen + 1);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
123 result.length = slen;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
124 if (result.ptr == NULL) abort();
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
125
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
126 // concatenate strings
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
127 size_t pos = 0;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
128 cx_for_n(i, count) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
129 cxstring s = strings[i];
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
130 memcpy(result.ptr + pos, s.ptr, s.length);
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
131 pos += s.length;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
132 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
133
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
134 // terminate string
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
135 result.ptr[result.length] = '\0';
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
136
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
137 // free temporary array
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
138 free(strings);
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
139
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
140 return result;
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
141 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
142
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
143 cxstring cx_strsubs(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
144 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
145 size_t start
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
146 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
147 return cx_strsubsl(string, start, string.length - start);
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
148 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
149
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
150 cxmutstr cx_strsubs_m(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
151 cxmutstr string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
152 size_t start
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
153 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
154 return cx_strsubsl_m(string, start, string.length - start);
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
155 }
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
157 cxstring cx_strsubsl(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
158 cxstring string,
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
159 size_t start,
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
160 size_t length
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
161 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
162 if (start > string.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
163 return (cxstring) {NULL, 0};
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
164 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
165
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
166 size_t rem_len = string.length - start;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
167 if (length > rem_len) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
168 length = rem_len;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
169 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
170
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
171 return (cxstring) {string.ptr + start, length};
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
172 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
173
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
174 cxmutstr cx_strsubsl_m(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
175 cxmutstr string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
176 size_t start,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
177 size_t length
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
178 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
179 cxstring result = cx_strsubsl(cx_strcast(string), start, length);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
180 return (cxmutstr) {(char *) result.ptr, result.length};
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
181 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
182
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
183 cxstring cx_strchr(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
184 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
185 int chr
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
186 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
187 chr = 0xFF & chr;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
188 // TODO: improve by comparing multiple bytes at once
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
189 cx_for_n(i, string.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
190 if (string.ptr[i] == chr) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
191 return cx_strsubs(string, i);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
192 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
193 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
194 return (cxstring) {NULL, 0};
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
195 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
196
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
197 cxmutstr cx_strchr_m(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
198 cxmutstr string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
199 int chr
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
200 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
201 cxstring result = cx_strchr(cx_strcast(string), chr);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
202 return (cxmutstr) {(char *) result.ptr, result.length};
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
203 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
204
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
205 cxstring cx_strrchr(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
206 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
207 int chr
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
208 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
209 chr = 0xFF & chr;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
210 size_t i = string.length;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
211 while (i > 0) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
212 i--;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
213 // TODO: improve by comparing multiple bytes at once
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
214 if (string.ptr[i] == chr) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
215 return cx_strsubs(string, i);
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
216 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
217 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
218 return (cxstring) {NULL, 0};
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
221 cxmutstr cx_strrchr_m(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
222 cxmutstr string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
223 int chr
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
224 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
225 cxstring result = cx_strrchr(cx_strcast(string), chr);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
226 return (cxmutstr) {(char *) result.ptr, result.length};
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
229 #define STRSTR_SBO_BUFLEN 512
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
230
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
231 cxstring cx_strstr(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
232 cxstring haystack,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
233 cxstring needle
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
234 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
235 if (needle.length == 0) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
236 return haystack;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
237 }
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
238
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
239 // optimize for single-char needles
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
240 if (needle.length == 1) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
241 return cx_strchr(haystack, *needle.ptr);
135
471e28cca288 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 99
diff changeset
242 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
243
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
244 /*
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
245 * IMPORTANT:
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
246 * Our prefix table contains the prefix length PLUS ONE
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
247 * this is our decision, because we want to use the full range of size_t.
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
248 * The original algorithm needs a (-1) at one single place,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
249 * and we want to avoid that.
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
250 */
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
251
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
252 // local prefix table
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
253 size_t s_prefix_table[STRSTR_SBO_BUFLEN];
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
254
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
255 // check needle length and use appropriate prefix table
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
256 // if the pattern exceeds static prefix table, allocate on the heap
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
257 bool useheap = needle.length >= STRSTR_SBO_BUFLEN;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
258 register size_t *ptable = useheap ? calloc(needle.length + 1,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
259 sizeof(size_t)) : s_prefix_table;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
260
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
261 // keep counter in registers
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
262 register size_t i, j;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
263
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
264 // fill prefix table
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
265 i = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
266 j = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
267 ptable[i] = j;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
268 while (i < needle.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
269 while (j >= 1 && needle.ptr[j - 1] != needle.ptr[i]) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
270 j = ptable[j - 1];
135
471e28cca288 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 99
diff changeset
271 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
272 i++;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
273 j++;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
274 ptable[i] = j;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
275 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
276
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
277 // search
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
278 cxstring result = {NULL, 0};
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
279 i = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
280 j = 1;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
281 while (i < haystack.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
282 while (j >= 1 && haystack.ptr[i] != needle.ptr[j - 1]) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
283 j = ptable[j - 1];
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
284 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
285 i++;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
286 j++;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
287 if (j - 1 == needle.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
288 size_t start = i - needle.length;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
289 result.ptr = haystack.ptr + start;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
290 result.length = haystack.length - start;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
291 break;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
292 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
293 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
294
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
295 // if prefix table was allocated on the heap, free it
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
296 if (ptable != s_prefix_table) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
297 free(ptable);
135
471e28cca288 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 99
diff changeset
298 }
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
299
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
300 return result;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
301 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
302
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
303 cxmutstr cx_strstr_m(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
304 cxmutstr haystack,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
305 cxstring needle
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
306 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
307 cxstring result = cx_strstr(cx_strcast(haystack), needle);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
308 return (cxmutstr) {(char *) result.ptr, result.length};
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
309 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
310
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
311 size_t cx_strsplit(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
312 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
313 cxstring delim,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
314 size_t limit,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
315 cxstring *output
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
316 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
317 // special case: output limit is zero
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
318 if (limit == 0) return 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
319
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
320 // special case: delimiter is empty
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
321 if (delim.length == 0) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
322 output[0] = string;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
323 return 1;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
324 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
325
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
326 // special cases: delimiter is at least as large as the string
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
327 if (delim.length >= string.length) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
328 // exact match
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
329 if (cx_strcmp(string, delim) == 0) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
330 output[0] = cx_strn(string.ptr, 0);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
331 output[1] = cx_strn(string.ptr + string.length, 0);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
332 return 2;
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
333 } else {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
334 // no match possible
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
335 output[0] = string;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
336 return 1;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
337 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
338 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
339
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
340 size_t n = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
341 cxstring curpos = string;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
342 while (1) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
343 ++n;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
344 cxstring match = cx_strstr(curpos, delim);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
345 if (match.length > 0) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
346 // is the limit reached?
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
347 if (n < limit) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
348 // copy the current string to the array
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
349 cxstring item = cx_strn(curpos.ptr, match.ptr - curpos.ptr);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
350 output[n - 1] = item;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
351 size_t processed = item.length + delim.length;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
352 curpos.ptr += processed;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
353 curpos.length -= processed;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
354 } else {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
355 // limit reached, copy the _full_ remaining string
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
356 output[n - 1] = curpos;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
357 break;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
358 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
359 } else {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
360 // no more matches, copy last string
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
361 output[n - 1] = curpos;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
362 break;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
363 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
364 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
365
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
366 return n;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
367 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
368
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
369 size_t cx_strsplit_a(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
370 CxAllocator *allocator,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
371 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
372 cxstring delim,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
373 size_t limit,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
374 cxstring **output
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
375 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
376 // find out how many splits we're going to make and allocate memory
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
377 size_t n = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
378 cxstring curpos = string;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
379 while (1) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
380 ++n;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
381 cxstring match = cx_strstr(curpos, delim);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
382 if (match.length > 0) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
383 // is the limit reached?
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
384 if (n < limit) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
385 size_t processed = match.ptr - curpos.ptr + delim.length;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
386 curpos.ptr += processed;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
387 curpos.length -= processed;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
388 } else {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
389 // limit reached
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
390 break;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
391 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
392 } else {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
393 // no more matches
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
394 break;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
395 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
396 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
397 *output = cxCalloc(allocator, n, sizeof(cxstring));
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
398 return cx_strsplit(string, delim, n, *output);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
399 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
400
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
401 size_t cx_strsplit_m(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
402 cxmutstr string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
403 cxstring delim,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
404 size_t limit,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
405 cxmutstr *output
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
406 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
407 return cx_strsplit(cx_strcast(string),
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
408 delim, limit, (cxstring *) output);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
409 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
410
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
411 size_t cx_strsplit_ma(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
412 CxAllocator *allocator,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
413 cxmutstr string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
414 cxstring delim,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
415 size_t limit,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
416 cxmutstr **output
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
417 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
418 return cx_strsplit_a(allocator, cx_strcast(string),
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
419 delim, limit, (cxstring **) output);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
420 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
421
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
422 int cx_strcmp(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
423 cxstring s1,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
424 cxstring s2
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
425 ) {
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
426 if (s1.length == s2.length) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
427 return memcmp(s1.ptr, s2.ptr, s1.length);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
428 } else if (s1.length > s2.length) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
429 return 1;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
430 } else {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
431 return -1;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
432 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
433 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
434
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
435 int cx_strcasecmp(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
436 cxstring s1,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
437 cxstring s2
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
438 ) {
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
439 if (s1.length == s2.length) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
440 #ifdef _WIN32
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
441 return _strnicmp(s1.ptr, s2.ptr, s1.length);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
442 #else
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
443 return strncasecmp(s1.ptr, s2.ptr, s1.length);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
444 #endif
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
445 } else if (s1.length > s2.length) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
446 return 1;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
447 } else {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
448 return -1;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
449 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
450 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
451
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
452 cxmutstr cx_strdup_a(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
453 CxAllocator *allocator,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
454 cxstring string
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
455 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
456 cxmutstr result = {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
457 cxMalloc(allocator, string.length + 1),
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
458 string.length
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
459 };
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
460 if (result.ptr == NULL) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
461 result.length = 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
462 return result;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
463 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
464 memcpy(result.ptr, string.ptr, string.length);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
465 result.ptr[string.length] = '\0';
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
466 return result;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
467 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
468
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
469 cxstring cx_strtrim(cxstring string) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
470 cxstring result = string;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
471 // TODO: optimize by comparing multiple bytes at once
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
472 while (result.length > 0 && isspace(*result.ptr)) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
473 result.ptr++;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
474 result.length--;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
475 }
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
476 while (result.length > 0 && isspace(result.ptr[result.length - 1])) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
477 result.length--;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
478 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
479 return result;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
480 }
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
481
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
482 cxmutstr cx_strtrim_m(cxmutstr string) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
483 cxstring result = cx_strtrim(cx_strcast(string));
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
484 return (cxmutstr) {(char *) result.ptr, result.length};
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
485 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
486
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
487 bool cx_strprefix(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
488 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
489 cxstring prefix
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
490 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
491 if (string.length < prefix.length) return false;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
492 return memcmp(string.ptr, prefix.ptr, prefix.length) == 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
493 }
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
494
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
495 bool cx_strsuffix(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
496 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
497 cxstring suffix
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
498 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
499 if (string.length < suffix.length) return false;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
500 return memcmp(string.ptr + string.length - suffix.length,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
501 suffix.ptr, suffix.length) == 0;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
502 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
503
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
504 bool cx_strcaseprefix(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
505 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
506 cxstring prefix
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
507 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
508 if (string.length < prefix.length) return false;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
509 #ifdef _WIN32
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
510 return _strnicmp(string.ptr, prefix.ptr, prefix.length) == 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
511 #else
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
512 return strncasecmp(string.ptr, prefix.ptr, prefix.length) == 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
513 #endif
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
514 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
515
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
516 bool cx_strcasesuffix(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
517 cxstring string,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
518 cxstring suffix
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
519 ) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
520 if (string.length < suffix.length) return false;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
521 #ifdef _WIN32
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
522 return _strnicmp(string.ptr+string.length-suffix.length,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
523 suffix.ptr, suffix.length) == 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
524 #else
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
525 return strncasecmp(string.ptr + string.length - suffix.length,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
526 suffix.ptr, suffix.length) == 0;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
527 #endif
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
528 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
529
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
530 void cx_strlower(cxmutstr string) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
531 cx_for_n(i, string.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
532 string.ptr[i] = (char) tolower(string.ptr[i]);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
533 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
534 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
535
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
536 void cx_strupper(cxmutstr string) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
537 cx_for_n(i, string.length) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
538 string.ptr[i] = (char) toupper(string.ptr[i]);
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
539 }
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
540 }
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
541
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
542 #define REPLACE_INDEX_BUFFER_MAX 100
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
543
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
544 struct cx_strreplace_ibuf {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
545 size_t *buf;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
546 struct cx_strreplace_ibuf *next;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
547 unsigned int len;
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
548 };
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
549
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
550 static void cx_strrepl_free_ibuf(struct cx_strreplace_ibuf *buf) {
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
551 while (buf) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
552 struct cx_strreplace_ibuf *next = buf->next;
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
553 free(buf->buf);
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
554 free(buf);
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
555 buf = next;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
556 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
557 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
558
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
559 cxmutstr cx_strreplacen_a(
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
560 CxAllocator *allocator,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
561 cxstring str,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
562 cxstring pattern,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
563 cxstring replacement,
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
564 size_t replmax
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
565 ) {
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
566
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
567 if (pattern.length == 0 || pattern.length > str.length || replmax == 0)
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
568 return cx_strdup_a(allocator, str);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
569
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
570 // Compute expected buffer length
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
571 size_t ibufmax = str.length / pattern.length;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
572 size_t ibuflen = replmax < ibufmax ? replmax : ibufmax;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
573 if (ibuflen > REPLACE_INDEX_BUFFER_MAX) {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
574 ibuflen = REPLACE_INDEX_BUFFER_MAX;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
575 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
576
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
577 // Allocate first index buffer
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
578 struct cx_strreplace_ibuf *firstbuf, *curbuf;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
579 firstbuf = curbuf = calloc(1, sizeof(struct cx_strreplace_ibuf));
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
580 if (!firstbuf) return cx_mutstrn(NULL, 0);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
581 firstbuf->buf = calloc(ibuflen, sizeof(size_t));
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
582 if (!firstbuf->buf) {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
583 free(firstbuf);
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
584 return cx_mutstrn(NULL, 0);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
585 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
586
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
587 // Search occurrences
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
588 cxstring searchstr = str;
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
589 size_t found = 0;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
590 do {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
591 cxstring match = cx_strstr(searchstr, pattern);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
592 if (match.length > 0) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
593 // Allocate next buffer in chain, if required
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
594 if (curbuf->len == ibuflen) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
595 struct cx_strreplace_ibuf *nextbuf =
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
596 calloc(1, sizeof(struct cx_strreplace_ibuf));
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
597 if (!nextbuf) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
598 cx_strrepl_free_ibuf(firstbuf);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
599 return cx_mutstrn(NULL, 0);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
600 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
601 nextbuf->buf = calloc(ibuflen, sizeof(size_t));
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
602 if (!nextbuf->buf) {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
603 free(nextbuf);
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
604 cx_strrepl_free_ibuf(firstbuf);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
605 return cx_mutstrn(NULL, 0);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
606 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
607 curbuf->next = nextbuf;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
608 curbuf = nextbuf;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
609 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
610
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
611 // Record match index
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
612 found++;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
613 size_t idx = match.ptr - str.ptr;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
614 curbuf->buf[curbuf->len++] = idx;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
615 searchstr.ptr = match.ptr + pattern.length;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
616 searchstr.length = str.length - idx - pattern.length;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
617 } else {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
618 break;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
619 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
620 } while (searchstr.length > 0 && found < replmax);
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
621
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
622 // Allocate result string
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
623 cxmutstr result;
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
624 {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
625 ssize_t adjlen = (ssize_t) replacement.length - (ssize_t) pattern.length;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
626 size_t rcount = 0;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
627 curbuf = firstbuf;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
628 do {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
629 rcount += curbuf->len;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
630 curbuf = curbuf->next;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
631 } while (curbuf);
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
632 result.length = str.length + rcount * adjlen;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
633 result.ptr = cxMalloc(allocator, result.length + 1);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
634 if (!result.ptr) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
635 cx_strrepl_free_ibuf(firstbuf);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
636 return cx_mutstrn(NULL, 0);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
637 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
638 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
639
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
640 // Build result string
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
641 curbuf = firstbuf;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
642 size_t srcidx = 0;
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
643 char *destptr = result.ptr;
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
644 do {
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
645 for (size_t i = 0; i < curbuf->len; i++) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
646 // Copy source part up to next match
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
647 size_t idx = curbuf->buf[i];
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
648 size_t srclen = idx - srcidx;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
649 if (srclen > 0) {
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
650 memcpy(destptr, str.ptr + srcidx, srclen);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
651 destptr += srclen;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
652 srcidx += srclen;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
653 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
654
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
655 // Copy the replacement and skip the source pattern
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
656 srcidx += pattern.length;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
657 memcpy(destptr, replacement.ptr, replacement.length);
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
658 destptr += replacement.length;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
659 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
660 curbuf = curbuf->next;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
661 } while (curbuf);
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
662 memcpy(destptr, str.ptr + srcidx, str.length - srcidx);
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
663
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
664 // Result is guaranteed to be zero-terminated
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
665 result.ptr[result.length] = '\0';
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
666
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 415
diff changeset
667 // Free index buffer
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
668 cx_strrepl_free_ibuf(firstbuf);
260
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
669
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
670 return result;
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
671 }
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
672
4779a6fb4fbe fix freebsd build
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 254
diff changeset
673

mercurial