ucx/string.c

Thu, 22 Aug 2013 11:25:16 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 22 Aug 2013 11:25:16 +0200
changeset 28
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parent 17
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child 39
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permissions
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added recursive put

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdlib.h>
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30 #include <string.h>
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31 #include <stdarg.h>
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32
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33 #include "string.h"
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34 #include "allocator.h"
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35
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36 sstr_t sstr(char *cstring) {
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37 sstr_t string;
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38 string.ptr = cstring;
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39 string.length = strlen(cstring);
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40 return string;
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41 }
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42
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43 sstr_t sstrn(char *cstring, size_t length) {
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44 sstr_t string;
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45 string.ptr = cstring;
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46 string.length = length;
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47 return string;
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48 }
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49
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50 size_t sstrnlen(size_t n, sstr_t s, ...) {
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51 va_list ap;
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52 size_t size = s.length;
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53 va_start(ap, s);
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54
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55 for (size_t i = 1 ; i < n ; i++) {
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56 sstr_t str = va_arg(ap, sstr_t);
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57 size += str.length;
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58 }
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59 va_end(ap);
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60
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61 return size;
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62 }
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63
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64 sstr_t sstrncat(sstr_t s, size_t n, sstr_t c1, ...) {
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65 va_list ap;
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66 va_start(ap, c1);
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67 s.ptr[0] = 0;
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68
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69 size_t len = s.length;
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70 size_t cplen = c1.length > len ? len : c1.length;
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71 char *ptr = s.ptr;
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72
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73 memcpy(ptr, c1.ptr, cplen);
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74 len -= cplen;
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75 ptr += cplen;
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76 for (size_t i = 1 ; i < n ; i++) {
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77 sstr_t str = va_arg (ap, sstr_t);
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78 cplen = str.length > len ? len : str.length;
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79 if(cplen <= 0) {
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80 va_end(ap);
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81 return s;
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82 }
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83 memcpy(ptr, str.ptr, cplen);
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84 len -= cplen;
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85 ptr += cplen;
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86 }
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87 va_end(ap);
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88 s.length = ptr - s.ptr;
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89
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90 return s;
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91 }
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92
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93 sstr_t sstrsubs(sstr_t s, size_t start) {
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94 return sstrsubsl (s, start, s.length-start);
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95 }
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96
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97 sstr_t sstrsubsl(sstr_t s, size_t start, size_t length) {
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98 sstr_t new_sstr;
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99 if (start >= s.length) {
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100 return s;
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101 }
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102 if (length > s.length-start) {
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103 length = s.length-start;
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104 }
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105 new_sstr.ptr = &s.ptr[start];
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106 new_sstr.length = length;
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107 return new_sstr;
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108 }
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109
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110 sstr_t sstrchr(sstr_t s, int c) {
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111 for(size_t i=0;i<s.length;i++) {
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112 if(s.ptr[i] == c) {
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113 return sstrsubs(s, i);
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114 }
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115 }
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116 sstr_t n;
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117 n.ptr = NULL;
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118 n.length = 0;
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119 return n;
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120 }
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121
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122 sstr_t* sstrsplit(sstr_t s, sstr_t d, size_t *n) {
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123 return sstrsplit_a(ucx_default_allocator(), s, d, n);
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124 }
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125
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126 sstr_t* sstrsplit_a(UcxAllocator *allocator, sstr_t s, sstr_t d, size_t *n) {
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127 if (s.length == 0 || d.length == 0) {
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128 *n = -1;
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129 return NULL;
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130 }
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131
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132 sstr_t* result;
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133 size_t nmax = *n;
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134 *n = 1;
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135
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136 /* special case: exact match - no processing needed */
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137 if (sstrcmp(s, d) == 0) {
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138 *n = 0;
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139 return NULL;
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140 }
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141 sstr_t sv = sstrdup(s);
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142 if (sv.length == 0) {
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143 *n = -2;
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144 return NULL;
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145 }
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146
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147 for (size_t i = 0 ; i < s.length ; i++) {
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1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
148 if (sv.ptr[i] == d.ptr[0]) {
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
149 _Bool match = 1;
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
150 for (size_t j = 1 ; j < d.length ; j++) {
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
151 if (j+i < s.length) {
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
152 match &= (sv.ptr[i+j] == d.ptr[j]);
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
153 } else {
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
154 match = 0;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
155 break;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 if (match) {
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
159 (*n)++;
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
160 for (size_t j = 0 ; j < d.length ; j++) {
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161 sv.ptr[i+j] = 0;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
163 i += d.length;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
164 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
165 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
166 if ((*n) == nmax) break;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
167 }
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
168 result = (sstr_t*) allocator->malloc(allocator->pool, sizeof(sstr_t)*(*n));
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
169
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
170 if (result) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
171 char *pptr = sv.ptr;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
172 for (size_t i = 0 ; i < *n ; i++) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
173 size_t l = strlen(pptr);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
174 char* ptr = (char*) allocator->malloc(allocator->pool, l + 1);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
175 memcpy(ptr, pptr, l);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
176 ptr[l] = 0;
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
177
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
178 result[i] = sstrn(ptr, l);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
179 pptr += l + d.length;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
180 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
181 } else {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
182 *n = -2;
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183 }
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
184
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 free(sv.ptr);
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187 return result;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
188 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
189
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
190 int sstrcmp(sstr_t s1, sstr_t s2) {
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
191 if (s1.length == s2.length) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
192 return memcmp(s1.ptr, s2.ptr, s1.length);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
193 } else if (s1.length > s2.length) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
194 return 1;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
195 } else {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
196 return -1;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
197 }
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
198 }
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
199
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
200 sstr_t sstrdup(sstr_t s) {
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
201 return sstrdup_a(ucx_default_allocator(), s);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
202 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
203
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
204 sstr_t sstrdup_a(UcxAllocator *allocator, sstr_t s) {
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
205 sstr_t newstring;
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
206 newstring.ptr = (char*)allocator->malloc(allocator->pool, s.length + 1);
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
207 if (newstring.ptr) {
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
208 newstring.length = s.length;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
209 newstring.ptr[newstring.length] = 0;
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
210
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
211 memcpy(newstring.ptr, s.ptr, s.length);
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
212 } else {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
213 newstring.length = 0;
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
214 }
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
215
1
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
216 return newstring;
1bcaac272cdf added existing source code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
217 }
5
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
218
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
219 sstr_t sstrtrim(sstr_t string) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
220 sstr_t newstr = string;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
221 if (string.length == 0) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
222 return newstr;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
223 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
224
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
225 size_t i;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
226 for(i=0;i<string.length;i++) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
227 char c = string.ptr[i];
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
228 if(c > 32) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
229 break;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
230 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
231 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
232 newstr.ptr = &string.ptr[i];
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
233 newstr.length = string.length - i;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
234
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
235 if(newstr.length == 0) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
236 return newstr;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
237 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
238
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
239 i = newstr.length - 1;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
240 for(;;) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
241 char c = newstr.ptr[i];
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
242 if(c > 32) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
243 break;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
244 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
245 if(i > 0) {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
246 i--;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
247 } else {
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
248 break;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
249 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
250 }
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
251 newstr.length = i + 1;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
252
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
253 return newstr;
88625853ae74 new webdav api + repository and key configuration + aes encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 1
diff changeset
254 }
17
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
255
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
256 int sstrprefix(sstr_t string, sstr_t prefix) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
257 if (string.length == 0) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
258 return prefix.length == 0;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
259 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
260 if (prefix.length == 0) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
261 return 1;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
262 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
263
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
264 if (prefix.length > string.length) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
265 return 0;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
266 } else {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
267 return memcmp(string.ptr, prefix.ptr, prefix.length) == 0;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
268 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
269 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
270
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
271 int sstrsuffix(sstr_t string, sstr_t suffix) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
272 if (string.length == 0) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
273 return suffix.length == 0;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
274 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
275 if (suffix.length == 0) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
276 return 1;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
277 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
278
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
279 if (suffix.length > string.length) {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
280 return 0;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
281 } else {
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
282 return memcmp(string.ptr+string.length-suffix.length,
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
283 suffix.ptr, suffix.length) == 0;
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
284 }
11dffb40cd91 new dav_query function
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 5
diff changeset
285 }

mercurial