src/server/ucx/string.c

Wed, 31 Jul 2013 13:02:06 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 31 Jul 2013 13:02:06 +0200
changeset 90
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parent 88
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permissions
-rw-r--r--

load_modules supports nsapi module init functions

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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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29 #include <stdlib.h>
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30 #include <string.h>
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31 #include <stdarg.h>
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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 *s) {
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37 sstr_t string;
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38 string.ptr = s;
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39 string.length = strlen(s);
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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 *s, size_t n) {
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44 sstr_t string;
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45 string.ptr = s;
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46 string.length = n;
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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 = 0 ; i < n-1 ; 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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61 return size;
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62 }
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63
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64 sstr_t sstrncat(size_t n, sstr_t s, 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 = 0 ; i < n-1 ; 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 if (d.length == 0) {
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124 return NULL;
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125 }
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126
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127 sstr_t* result;
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128 size_t nmax = *n;
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129 *n = 1;
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130
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131 /* special case: exact match - no processing needed */
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132 if (s.length == d.length && strncmp(s.ptr, d.ptr, s.length) == 0) {
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133 *n = 0;
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134 return NULL;
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135 }
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136 sstr_t sv = sstrdup(s);
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137
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138 for (size_t i = 0 ; i < s.length ; i++) {
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139 if (sv.ptr[i] == d.ptr[0]) {
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140 _Bool match = 1;
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141 for (size_t j = 1 ; j < d.length ; j++) {
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142 if (j+i < s.length) {
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143 match &= (sv.ptr[i+j] == d.ptr[j]);
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144 } else {
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145 match = 0;
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146 break;
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147 }
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148 }
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149 if (match) {
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diff changeset
150 (*n)++;
71
069c152f6272 ucx update
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parents: 70
diff changeset
151 for (size_t j = 0 ; j < d.length ; j++) {
36
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diff changeset
152 sv.ptr[i+j] = 0;
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153 }
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154 i += d.length;
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155 }
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156 }
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diff changeset
157 if ((*n) == nmax) break;
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158 }
71
069c152f6272 ucx update
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diff changeset
159 result = (sstr_t*) malloc(sizeof(sstr_t) * (*n));
36
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160
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diff changeset
161 char *pptr = sv.ptr;
71
069c152f6272 ucx update
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162 for (size_t i = 0 ; i < *n ; i++) {
36
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163 size_t l = strlen(pptr);
71
069c152f6272 ucx update
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164 char* ptr = (char*) malloc(l + 1);
36
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165 memcpy(ptr, pptr, l);
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166 ptr[l] = 0;
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167
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diff changeset
168 result[i] = sstrn(ptr, l);
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169 pptr += l + d.length;
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170 }
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171
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diff changeset
172 free(sv.ptr);
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173
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174 return result;
15
cff9c4101dd7 Replaced old utils with ucx
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parents:
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175 }
cff9c4101dd7 Replaced old utils with ucx
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parents:
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176
36
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177 int sstrcmp(sstr_t s1, sstr_t s2) {
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178 return strncmp(s1.ptr, s2.ptr, s1.length>s2.length ? s2.length: s1.length);
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179 }
16
a9bbd82d2dce New configuration file parser
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180
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181 sstr_t sstrdup(sstr_t s) {
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182 sstr_t newstring;
36
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183 newstring.ptr = (char*) malloc(s.length + 1);
71
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diff changeset
184 if (newstring.ptr) {
36
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diff changeset
185 newstring.length = s.length;
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186 newstring.ptr[newstring.length] = 0;
88
73b3485e96f1 ucx update
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diff changeset
187
36
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188 memcpy(newstring.ptr, s.ptr, s.length);
71
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diff changeset
189 } else {
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diff changeset
190 newstring.length = 0;
36
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191 }
88
73b3485e96f1 ucx update
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diff changeset
192
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diff changeset
193 return newstring;
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parents: 71
diff changeset
194 }
36
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diff changeset
195
88
73b3485e96f1 ucx update
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parents: 71
diff changeset
196 sstr_t sstrdup_alloc(UcxAllocator *allocator, sstr_t s) {
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diff changeset
197 sstr_t newstring;
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parents: 71
diff changeset
198 newstring.ptr = (char*)allocator->malloc(allocator->pool, s.length + 1);
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diff changeset
199 if (newstring.ptr) {
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parents: 71
diff changeset
200 newstring.length = s.length;
73b3485e96f1 ucx update
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parents: 71
diff changeset
201 newstring.ptr[newstring.length] = 0;
73b3485e96f1 ucx update
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parents: 71
diff changeset
202
73b3485e96f1 ucx update
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parents: 71
diff changeset
203 memcpy(newstring.ptr, s.ptr, s.length);
73b3485e96f1 ucx update
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parents: 71
diff changeset
204 } else {
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parents: 71
diff changeset
205 newstring.length = 0;
73b3485e96f1 ucx update
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parents: 71
diff changeset
206 }
73b3485e96f1 ucx update
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parents: 71
diff changeset
207
28
f387669912e8 added logging
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diff changeset
208 return newstring;
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parents: 25
diff changeset
209 }
16
a9bbd82d2dce New configuration file parser
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parents: 15
diff changeset
210
71
069c152f6272 ucx update
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parents: 70
diff changeset
211 sstr_t sstrtrim(sstr_t string) {
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diff changeset
212 sstr_t newstr = string;
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diff changeset
213 if (string.length == 0) {
069c152f6272 ucx update
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parents: 70
diff changeset
214 return newstr;
069c152f6272 ucx update
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diff changeset
215 }
069c152f6272 ucx update
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parents: 70
diff changeset
216
069c152f6272 ucx update
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parents: 70
diff changeset
217 size_t i;
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parents: 70
diff changeset
218 for(i=0;i<string.length;i++) {
069c152f6272 ucx update
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parents: 70
diff changeset
219 char c = string.ptr[i];
069c152f6272 ucx update
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parents: 70
diff changeset
220 if(c > 32) {
069c152f6272 ucx update
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parents: 70
diff changeset
221 break;
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
222 }
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
223 }
069c152f6272 ucx update
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parents: 70
diff changeset
224 newstr.ptr = &string.ptr[i];
069c152f6272 ucx update
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parents: 70
diff changeset
225 newstr.length = string.length - i;
069c152f6272 ucx update
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parents: 70
diff changeset
226
069c152f6272 ucx update
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parents: 70
diff changeset
227 if(newstr.length == 0) {
069c152f6272 ucx update
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parents: 70
diff changeset
228 return newstr;
069c152f6272 ucx update
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parents: 70
diff changeset
229 }
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
230
069c152f6272 ucx update
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parents: 70
diff changeset
231 i = newstr.length - 1;
069c152f6272 ucx update
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parents: 70
diff changeset
232 for(;;) {
069c152f6272 ucx update
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parents: 70
diff changeset
233 char c = newstr.ptr[i];
069c152f6272 ucx update
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parents: 70
diff changeset
234 if(c > 32) {
069c152f6272 ucx update
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parents: 70
diff changeset
235 break;
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
236 }
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
237 if(i > 0) {
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
238 i--;
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
239 } else {
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
240 break;
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
241 }
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
242 }
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
243 newstr.length = i + 1;
069c152f6272 ucx update
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parents: 70
diff changeset
244
069c152f6272 ucx update
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parents: 70
diff changeset
245 return newstr;
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
246 }
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 70
diff changeset
247
16
a9bbd82d2dce New configuration file parser
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parents: 15
diff changeset
248 // webserver extension
51
b28cf69f42e8 added acls
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parents: 36
diff changeset
249
b28cf69f42e8 added acls
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parents: 36
diff changeset
250 int sstr_startswith(sstr_t string, sstr_t cmp) {
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parents: 36
diff changeset
251 sstr_t sub = sstrsubsl(string, 0, cmp.length);
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parents: 36
diff changeset
252 if(!sstrcmp(sub, cmp)) {
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parents: 36
diff changeset
253 return 1;
b28cf69f42e8 added acls
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parents: 36
diff changeset
254 } else {
b28cf69f42e8 added acls
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parents: 36
diff changeset
255 return 0;
b28cf69f42e8 added acls
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 36
diff changeset
256 }
b28cf69f42e8 added acls
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 36
diff changeset
257 }
b28cf69f42e8 added acls
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 36
diff changeset
258
36
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
259 sstr_t sstrdup_mp(UcxMempool *pool, sstr_t s) {
16
a9bbd82d2dce New configuration file parser
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parents: 15
diff changeset
260 sstr_t newstring;
36
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
261 newstring.ptr = (char*)ucx_mempool_malloc(pool, s.length + 1);
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
262 if (newstring.ptr != NULL) {
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
263 newstring.length = s.length;
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
264 newstring.ptr[newstring.length] = 0;
16
a9bbd82d2dce New configuration file parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 15
diff changeset
265
36
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
266 memcpy(newstring.ptr, s.ptr, s.length);
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
267 }
16
a9bbd82d2dce New configuration file parser
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 15
diff changeset
268
a9bbd82d2dce New configuration file parser
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parents: 15
diff changeset
269 return newstring;
a9bbd82d2dce New configuration file parser
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parents: 15
diff changeset
270 }
30
27c7511c0e34 new proppatch, mkcol and delete method
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 28
diff changeset
271
36
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
272 sstr_t sstrdup_pool(pool_handle_t *pool, sstr_t s) {
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parents: 30
diff changeset
273 sstr_t newstring;
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
274 newstring.ptr = (char*)pool_malloc(pool, s.length + 1);
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parents: 30
diff changeset
275 if (newstring.ptr != NULL) {
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parents: 30
diff changeset
276 newstring.length = s.length;
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
277 newstring.ptr[newstring.length] = 0;
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
278
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
279 memcpy(newstring.ptr, s.ptr, s.length);
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
280 }
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
281
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parents: 30
diff changeset
282 return newstring;
450d2d5f4735 server can reload configuration
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parents: 30
diff changeset
283 }

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