Mercurial > hg > nnchat
annotate util.c @ 553:b464409fa643
Make LOG_* flags enum more readable and extendable by using hexadecimal values.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 12 Nov 2012 19:10:58 +0200 |
parents | 44f67ec5e945 |
children | 97a49a6cc959 |
rev | line source |
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62
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1 /* |
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2 * NNChat - Custom chat client for NewbieNudes.com chatrooms |
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3 * Written by Matti 'ccr' Hämäläinen |
394 | 4 * (C) Copyright 2008-2012 Tecnic Software productions (TNSP) |
62
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5 */ |
413 | 6 #include "util.h" |
468 | 7 #include <time.h> |
396
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8 |
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9 |
464
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10 BOOL str_get_timestamp(char *str, size_t len, const char *fmt) |
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11 { |
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12 time_t stamp = time(NULL); |
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13 struct tm *stamp_tm; |
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14 if ((stamp_tm = localtime(&stamp)) != NULL) |
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15 { |
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16 strftime(str, len, fmt, stamp_tm); |
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17 return TRUE; |
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18 } |
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19 else |
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20 { |
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21 str[0] = 0; |
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22 return FALSE; |
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23 } |
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24 } |
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25 |
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26 |
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27 char * str_trim_left(char *buf) |
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28 { |
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29 while (*buf != 0 && th_isspace(*buf)) buf++; |
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30 return buf; |
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31 } |
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32 |
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33 |
498 | 34 char * str_trim_right(char *buf) |
35 { | |
36 size_t pos; | |
37 | |
38 for (pos = strlen(buf) - 1; pos > 0 && th_isspace(buf[pos]); pos--) | |
39 buf[pos] = 0; | |
40 | |
41 return buf; | |
42 } | |
43 | |
44 | |
464
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45 int str_compare(const void *s1, const void *s2) |
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46 { |
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47 return th_strcasecmp((const char *) s1, (const char *) s2); |
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48 } |
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49 |
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50 |
304
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51 #define PUSHCHAR(x) th_vputch(&result, &resSize, &resPos, x) |
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52 #define PUSHSTR(x) th_vputs(&result, &resSize, &resPos, x) |
62
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53 |
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54 char *nn_encode_str1(const char *str) |
62
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55 { |
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56 const char *s = str; |
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57 char *result; |
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58 size_t resSize, resPos = 0; |
390 | 59 |
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60 if (str == NULL) return NULL; |
390 | 61 |
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62 resSize = strlen(str) + NN_ALLOC_SIZE; |
71
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63 if ((result = th_malloc(resSize)) == NULL) |
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64 return NULL; |
390 | 65 |
386 | 66 while (*s) |
67 { | |
68 switch (*s) | |
69 { | |
71
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70 case 32: |
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71 PUSHCHAR('+'); |
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72 break; |
390 | 73 |
71
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74 default: |
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75 if (th_isalnum(*s)) |
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76 PUSHCHAR(*s); |
386 | 77 else |
78 { | |
71
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79 char tmpStr[4]; |
215
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80 snprintf(tmpStr, sizeof(tmpStr), "%2X", (unsigned char) *s); |
71
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81 PUSHCHAR('%'); |
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82 PUSHSTR(tmpStr); |
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83 } |
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84 break; |
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85 } |
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86 s++; |
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87 } |
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88 PUSHCHAR(0); |
390 | 89 |
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90 return result; |
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91 } |
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92 |
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93 |
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94 static int nn_get_hexdigit(const int c, const int shift) |
62
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95 { |
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96 int i; |
390 | 97 |
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98 if (c >= 'A' && c <= 'F') |
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99 i = c - 'A' + 10; |
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100 else if (c >= 'a' && c <= 'f') |
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101 i = c - 'a' + 10; |
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102 else if (c >= '0' && c <= '9') |
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103 i = c - '0'; |
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104 else |
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105 return -1; |
390 | 106 |
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107 return i << shift; |
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108 } |
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109 |
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110 |
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111 char *nn_decode_str1(const char *str) |
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112 { |
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113 const char *s = str; |
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114 char *result; |
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115 size_t resSize, resPos = 0; |
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116 int c; |
390 | 117 |
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118 if (str == NULL) return NULL; |
390 | 119 |
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120 resSize = strlen(str) + NN_ALLOC_SIZE; |
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121 if ((result = th_malloc(resSize)) == NULL) |
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122 return NULL; |
390 | 123 |
386 | 124 while (*s) |
125 { | |
126 switch (*s) | |
127 { | |
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128 case '+': |
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129 PUSHCHAR(' '); |
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130 s++; |
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131 break; |
390 | 132 |
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133 case '½': |
419
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134 // Escape these .. |
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135 PUSHCHAR('½'); |
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136 PUSHCHAR('½'); |
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137 s++; |
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138 break; |
390 | 139 |
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140 case '\r': |
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141 PUSHCHAR(' '); |
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142 s++; |
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143 break; |
390 | 144 |
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145 case '%': |
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146 s++; |
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147 if (*s == '%') |
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148 PUSHCHAR('%'); |
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149 else if ((c = nn_get_hexdigit(*s, 4)) >= 0) |
390 | 150 { |
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151 int i = nn_get_hexdigit(*(++s), 0); |
386 | 152 if (i >= 0) |
153 { | |
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154 PUSHCHAR((char) (c | i)); |
386 | 155 } |
156 else | |
157 { | |
72
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158 PUSHCHAR('§'); |
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159 PUSHCHAR(*s); |
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160 } |
386 | 161 } |
162 else | |
163 { | |
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164 PUSHCHAR('§'); |
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165 PUSHCHAR(*s); |
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166 } |
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167 s++; |
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168 break; |
390 | 169 |
71
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170 default: |
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171 PUSHCHAR(*s); |
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172 s++; |
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173 } |
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174 } |
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175 PUSHCHAR(0); |
390 | 176 |
71
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177 return result; |
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178 } |
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179 |
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180 |
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181 char *nn_strip_tags(const char *str) |
62
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182 { |
71
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183 const char *s = str; |
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184 char *result; |
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185 size_t resSize, resPos = 0; |
390 | 186 |
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187 if (str == NULL) return NULL; |
390 | 188 |
168
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189 resSize = strlen(str) + NN_ALLOC_SIZE; |
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190 if ((result = th_malloc(resSize)) == NULL) |
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191 return NULL; |
390 | 192 |
386 | 193 while (*s) |
194 { | |
195 if (*s == '<') | |
196 { | |
71
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197 while (*s && *s != '>') s++; |
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198 if (*s == '>') s++; |
390 | 199 } |
200 else | |
71
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201 PUSHCHAR(*s++); |
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202 } |
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203 PUSHCHAR(0); |
390 | 204 |
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205 return result; |
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206 } |
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207 |
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208 |
386 | 209 typedef struct |
210 { | |
168
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211 char c; |
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212 char *ent; |
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213 } html_entity_t; |
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214 |
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215 |
386 | 216 static const html_entity_t HTMLEntities[] = |
217 { | |
168
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218 { '<', "<" }, |
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219 { '>', ">" }, |
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220 }; |
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221 |
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222 static const int numHTMLEntities = sizeof(HTMLEntities) / sizeof(HTMLEntities[0]); |
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223 |
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224 |
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225 char *nn_encode_str2(const char *str) |
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226 { |
71
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227 const char *s = str; |
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228 char *result; |
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229 size_t resSize, resPos = 0; |
390 | 230 |
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231 if (str == NULL) return NULL; |
390 | 232 |
168
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233 resSize = strlen(str) + NN_ALLOC_SIZE; |
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234 if ((result = th_malloc(resSize)) == NULL) |
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235 return NULL; |
390 | 236 |
386 | 237 while (*s) |
238 { | |
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239 int i; |
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240 BOOL found = FALSE; |
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241 for (i = 0; i < numHTMLEntities; i++) |
390 | 242 if (HTMLEntities[i].c == *s) |
243 { | |
244 PUSHSTR(HTMLEntities[i].ent); | |
245 found = TRUE; | |
246 break; | |
247 } | |
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248 if (!found) PUSHCHAR(*s); |
390 | 249 |
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250 s++; |
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251 } |
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252 PUSHCHAR(0); |
390 | 253 |
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254 return result; |
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255 } |
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256 |
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257 |
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258 char *nn_decode_str2(const char *str) |
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259 { |
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260 const char *s = str; |
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261 char *result; |
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262 size_t resSize, resPos = 0; |
390 | 263 |
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264 if (str == NULL) return NULL; |
390 | 265 |
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266 resSize = strlen(str); |
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267 if ((result = th_malloc(resSize)) == NULL) |
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268 return NULL; |
390 | 269 |
386 | 270 while (*s) |
271 { | |
272 if (*s == '&') | |
273 { | |
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274 int i; |
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275 BOOL found = FALSE; |
386 | 276 for (i = 0; i < numHTMLEntities; i++) |
277 { | |
95 | 278 const html_entity_t *ent = &HTMLEntities[i]; |
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279 size_t len = strlen(ent->ent); |
386 | 280 if (!strncmp(s, ent->ent, len)) |
281 { | |
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282 PUSHCHAR(ent->c); |
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283 s += len; |
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284 found = TRUE; |
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285 break; |
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286 } |
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287 } |
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288 if (!found) PUSHCHAR(*s++); |
390 | 289 } |
290 else | |
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291 PUSHCHAR(*s++); |
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292 } |
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293 PUSHCHAR(0); |
390 | 294 |
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295 return result; |
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296 } |
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297 |
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298 |
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299 char *nn_dbldecode_str(const char *str) |
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300 { |
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301 char *res, *tmp; |
390 | 302 |
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303 if ((tmp = nn_decode_str1(str)) == NULL) |
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304 return NULL; |
390 | 305 |
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306 res = nn_decode_str2(tmp); |
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307 th_free(tmp); |
390 | 308 |
309 return res; | |
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310 } |
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311 |
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312 |
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313 char *nn_dblencode_str(const char *str) |
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314 { |
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315 char *res, *tmp; |
390 | 316 |
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317 if ((tmp = nn_encode_str2(str)) == NULL) |
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318 return NULL; |
390 | 319 |
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320 res = nn_encode_str1(tmp); |
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321 th_free(tmp); |
390 | 322 |
323 return res; | |
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324 } |
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325 |
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326 |
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327 int nn_editbuf_write(nn_editbuf_t *buf, size_t pos, char ch) |
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328 { |
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329 if (buf->len+1 >= buf->size) return -3; |
390 | 330 |
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331 if (pos >= buf->len) |
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332 buf->data[buf->len++] = ch; |
386 | 333 else |
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334 buf->data[pos] = ch; |
386 | 335 |
492
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336 buf->dirty = TRUE; |
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337 return 0; |
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338 } |
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339 |
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340 |
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341 int nn_editbuf_insert(nn_editbuf_t *buf, size_t pos, char ch) |
65
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342 { |
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343 if (buf->len+1 >= buf->size) return -3; |
390 | 344 |
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345 if (pos >= buf->len) |
386 | 346 { |
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347 buf->data[buf->len] = ch; |
386 | 348 } |
349 else | |
350 { | |
71
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351 memmove(&(buf->data[pos+1]), &(buf->data[pos]), buf->len - pos + 1); |
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352 buf->data[pos] = ch; |
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353 } |
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354 buf->len++; |
492
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355 |
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356 buf->dirty = TRUE; |
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357 return 0; |
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358 } |
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359 |
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360 |
431
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361 int nn_editbuf_delete(nn_editbuf_t *buf, size_t pos) |
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362 { |
431
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363 if (pos < buf->len) |
386 | 364 { |
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365 memmove(&(buf->data[pos]), &(buf->data[pos+1]), buf->len - pos); |
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366 buf->len--; |
492
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367 buf->dirty = TRUE; |
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368 return 0; |
390 | 369 } |
370 else | |
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371 return -2; |
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372 } |
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373 |
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374 |
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375 void nn_editbuf_clear(nn_editbuf_t *buf) |
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376 { |
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377 buf->len = 0; |
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378 buf->pos = 0; |
492
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379 buf->dirty = TRUE; |
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380 } |
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381 |
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382 |
431
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383 nn_editbuf_t * nn_editbuf_new(size_t n) |
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384 { |
89
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385 nn_editbuf_t *res = th_calloc(1, sizeof(nn_editbuf_t)); |
390 | 386 |
71
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387 res->data = (char *) th_malloc(n); |
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388 res->size = n; |
492
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389 res->dirty = TRUE; |
390 | 390 |
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391 return res; |
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392 } |
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393 |
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394 |
97
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395 void nn_editbuf_free(nn_editbuf_t *buf) |
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396 { |
386 | 397 if (buf != NULL) |
398 { | |
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399 th_free(buf->data); |
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400 th_free(buf); |
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401 } |
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402 } |
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403 |
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404 |
97
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405 nn_editbuf_t * nn_editbuf_copy(nn_editbuf_t *src) |
65
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406 { |
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407 nn_editbuf_t *res; |
390 | 408 |
71
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409 assert(src != NULL); |
390 | 410 |
71
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411 if (src == NULL) return NULL; |
390 | 412 |
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413 if ((res = nn_editbuf_new(src->size)) == NULL) |
71
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414 return NULL; |
390 | 415 |
71
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416 memcpy(res->data, src->data, src->size); |
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417 res->pos = res->len = src->len; |
492
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418 res->dirty = TRUE; |
390 | 419 |
71
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420 return res; |
65
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421 } |
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422 |
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423 |
431
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424 char * nn_editbuf_get_string(nn_editbuf_t *buf, size_t start, size_t end) |
103
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425 { |
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|
426 char *str; |
431
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|
427 size_t siz; |
390 | 428 |
513 | 429 if (buf == NULL || end > buf->len || start >= buf->len) |
103
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430 return NULL; |
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|
431 |
431
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432 if (start <= end) |
103
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433 siz = end - start + 1; |
390 | 434 else |
103
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435 return NULL; |
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|
436 |
168
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437 if ((str = th_malloc(siz + 1)) == NULL) |
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438 return NULL; |
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|
439 |
103
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|
440 memcpy(str, buf->data + start, siz); |
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441 str[siz] = 0; |
168
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442 |
103
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|
443 return str; |
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|
444 } |
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|
445 |
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|
446 |
431
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|
447 void nn_editbuf_setpos(nn_editbuf_t *buf, size_t pos) |
65
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448 { |
103
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449 assert(buf != NULL); |
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450 |
431
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451 if (pos >= buf->len) |
71
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452 buf->pos = buf->len; |
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453 else |
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|
454 buf->pos = pos; |
492
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|
455 |
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|
456 buf->dirty = TRUE; |
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|
457 } |
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|
458 |
94
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|
459 |
102 | 460 static uint8_t nn_hash_user(const char *name) |
94
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|
461 { |
103
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|
462 /* |
94
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|
463 int n = 0; |
102 | 464 const uint8_t *c = (uint8_t *)name; |
94
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|
465 uint8_t hash = 0xff; |
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|
466 |
386 | 467 while (*c && n < 4) |
468 { | |
94
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|
469 hash = (hash << 1) ^ tolower(*c); |
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|
470 c++; n++; |
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|
471 } |
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|
472 |
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|
473 return (hash & 0xff); |
103
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|
474 */ |
431
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changeset
|
475 return (uint8_t) tolower(name[0]); |
94
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diff
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|
476 } |
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|
477 |
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|
478 |
102 | 479 static void nn_user_insert(nn_user_t **list, nn_user_t *node) |
94
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diff
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|
480 { |
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diff
changeset
|
481 node->next = *list; |
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diff
changeset
|
482 *list = node; |
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diff
changeset
|
483 } |
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diff
changeset
|
484 |
6e47426efb6a
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parents:
91
diff
changeset
|
485 |
446
3396acd40147
Rename and remove some functions.
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parents:
431
diff
changeset
|
486 static void nn_user_free(nn_user_t *user) |
3396acd40147
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parents:
431
diff
changeset
|
487 { |
3396acd40147
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parents:
431
diff
changeset
|
488 th_free(user->name); |
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parents:
431
diff
changeset
|
489 th_free(user); |
3396acd40147
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parents:
431
diff
changeset
|
490 } |
3396acd40147
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parents:
431
diff
changeset
|
491 |
3396acd40147
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parents:
431
diff
changeset
|
492 |
485
ad7ddce47878
Improve nn_userhash_foreach() by adding user data parameter.
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parents:
468
diff
changeset
|
493 nn_user_t *nn_userhash_foreach(const nn_userhash_t *list, int (*func)(const nn_user_t *, void *userdata), void *data) |
103
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|
494 { |
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|
495 int i; |
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496 |
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|
497 if (list == NULL) return NULL; |
390 | 498 |
103
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499 for (i = 0; i < NN_NUM_BUCKETS; i++) |
390 | 500 if (list->buckets[i] != NULL) |
386 | 501 { |
390 | 502 nn_user_t *curr = list->buckets[i]; |
503 while (curr != NULL) | |
504 { | |
485
ad7ddce47878
Improve nn_userhash_foreach() by adding user data parameter.
Matti Hamalainen <ccr@tnsp.org>
parents:
468
diff
changeset
|
505 if (func(curr, data) != 0) |
390 | 506 return curr; |
507 curr = curr->next; | |
508 } | |
103
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|
509 } |
390 | 510 |
103
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|
511 return NULL; |
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|
512 } |
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Initial implementation of functions for implementing tab-completion for user names.
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changeset
|
513 |
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|
514 |
446
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Rename and remove some functions.
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|
515 nn_user_t *nn_userhash_find(const nn_userhash_t *list, const char *name) |
94
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|
516 { |
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|
517 uint8_t hash; |
390 | 518 |
94
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|
519 if (list == NULL) return NULL; |
390 | 520 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
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|
521 hash = nn_hash_user(name); |
386 | 522 if (list->buckets[hash] != NULL) |
523 { | |
94
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diff
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|
524 nn_user_t *curr = list->buckets[hash]; |
386 | 525 while (curr != NULL) |
526 { | |
372
b9f0bdad6285
Use th_strcasecmp() and th_strncasecmp().
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365
diff
changeset
|
527 if (th_strcasecmp(curr->name, name) == 0) |
94
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|
528 return curr; |
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|
529 curr = curr->next; |
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|
530 } |
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|
531 } |
390 | 532 |
94
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|
533 return NULL; |
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|
534 } |
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|
535 |
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|
536 |
446
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|
537 static nn_user_t *nn_userhash_match_do(nn_user_t *list, const char *pattern, size_t len) |
164
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|
538 { |
452
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|
539 nn_user_t *node; |
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|
540 for (node = list; node != NULL; node = node->next) |
386 | 541 { |
452
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parents:
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|
542 if (len <= strlen(node->name) && th_strncasecmp(node->name, pattern, len) == 0) |
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changeset
|
543 return node; |
164
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Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
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|
544 } |
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Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
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|
545 return NULL; |
701c54a45466
Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
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|
546 } |
701c54a45466
Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
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|
547 |
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Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
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diff
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|
548 |
446
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Rename and remove some functions.
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changeset
|
549 nn_user_t *nn_userhash_match(const nn_userhash_t *list, const char *pattern, const char *current, BOOL again) |
103
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550 { |
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changeset
|
551 uint8_t hash; |
390 | 552 |
108
f323b137ca08
Tab-completion now works with cycling, but bugs with names that have whitespaces.
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parents:
106
diff
changeset
|
553 if (list == NULL || pattern == NULL) return NULL; |
103
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diff
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|
554 |
106
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|
555 hash = nn_hash_user(pattern); |
386 | 556 if (list->buckets[hash] != NULL) |
557 { | |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
558 nn_user_t *node; |
106
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parents:
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diff
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|
559 size_t len = strlen(pattern); |
103
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Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
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|
560 |
386 | 561 if (current != NULL) |
562 { | |
452
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Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
563 for (node = list->buckets[hash]; node != NULL; node = node->next) |
386 | 564 { |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
565 if (th_strcasecmp(node->name, current) == 0) |
386 | 566 { |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
567 nn_user_t *found; |
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
568 |
116
741e45592522
Add simple "prediction" into tab-completion based on previously gotten last
Matti Hamalainen <ccr@tnsp.org>
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108
diff
changeset
|
569 if (again) |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
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446
diff
changeset
|
570 return node; |
aeb3171f9e28
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Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
571 |
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
572 if ((found = nn_userhash_match_do(node->next, pattern, len)) != NULL) |
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
573 return found; |
103
eaa524e153f9
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diff
changeset
|
574 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
575 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
576 } |
116
741e45592522
Add simple "prediction" into tab-completion based on previously gotten last
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parents:
108
diff
changeset
|
577 |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
578 if ((node = nn_userhash_match_do(list->buckets[hash], pattern, len)) != NULL) |
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
579 return node; |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
580 } |
390 | 581 |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
582 return NULL; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
583 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
584 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
585 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
586 nn_userhash_t *nn_userhash_new(void) |
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Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
587 { |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
588 return th_calloc(1, sizeof(nn_userhash_t)); |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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102
diff
changeset
|
589 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
590 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
591 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
592 int nn_userhash_insert(nn_userhash_t *list, const char *name) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
593 { |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
594 uint8_t hash; |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
595 nn_user_t *user; |
390 | 596 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
597 // Check arguments |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
598 if (list == NULL || name == NULL) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
599 return -1; |
390 | 600 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
601 // Check if username is already there |
446
3396acd40147
Rename and remove some functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
431
diff
changeset
|
602 if (nn_userhash_find(list, name) != NULL) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
603 return 1; |
390 | 604 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
605 // No, we'll add it |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
606 if ((user = th_calloc(1, sizeof(nn_user_t))) == NULL) |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
607 return -3; |
390 | 608 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
609 user->name = th_strdup(name); |
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
610 if (user->name == NULL) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
611 return -4; |
390 | 612 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
613 hash = nn_hash_user(name); |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
614 nn_user_insert(&(list->buckets[hash]), user); |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
615 |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
616 return 0; |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
617 } |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
618 |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
619 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
620 int nn_userhash_delete(nn_userhash_t *list, const char *name) |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
621 { |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
622 uint8_t hash; |
390 | 623 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
624 // Check arguments |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
625 if (list == NULL || name == NULL) |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
626 return -1; |
390 | 627 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
628 // Check if username is already there |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
629 hash = nn_hash_user(name); |
386 | 630 if (list->buckets[hash] != NULL) |
631 { | |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
632 nn_user_t *curr, *prev; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
633 curr = list->buckets[hash]; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
634 prev = NULL; |
386 | 635 while (curr != NULL) |
636 { | |
637 if (th_strcasecmp(curr->name, name) == 0) | |
638 { | |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
639 if (prev) |
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Initial implementation of functions for implementing tab-completion for user names.
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102
diff
changeset
|
640 prev->next = curr->next; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
641 else |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
642 list->buckets[hash] = curr->next; |
390 | 643 |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
644 nn_user_free(curr); |
390 | 645 |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
646 return 0; |
386 | 647 } |
648 else | |
649 { | |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
650 prev = curr; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
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651 curr = curr->next; |
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652 } |
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653 } |
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654 } |
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655 |
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656 return 1; |
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657 } |
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658 |
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659 |
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660 void nn_userhash_free(nn_userhash_t *hash) |
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661 { |
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662 int i; |
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663 if (hash == NULL) |
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664 return; |
390 | 665 |
386 | 666 for (i = 0; i < NN_NUM_BUCKETS; i++) |
667 { | |
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668 nn_user_t *curr = hash->buckets[i]; |
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669 |
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670 while (curr != NULL) |
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671 { |
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672 nn_user_t *next = curr->next; |
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673 nn_user_free(curr); |
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674 curr = next; |
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675 } |
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676 |
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677 hash->buckets[i] = NULL; |
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678 } |
390 | 679 |
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680 th_free(hash); |
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681 } |
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682 |
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683 |
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684 char *nn_username_encode(char *str) |
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685 { |
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686 unsigned char *c = (unsigned char *) str; |
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687 if (str == NULL) return NULL; |
390 | 688 for (; *c ; c++) |
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689 if (*c == ' ') *c = 255; |
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690 return str; |
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691 } |
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692 |
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693 |
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694 char *nn_username_decode(char *str) |
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695 { |
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696 unsigned char *c = (unsigned char *) str; |
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697 if (str == NULL) return NULL; |
390 | 698 for (; *c ; c++) |
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699 if (*c == 255) *c = ' '; |
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700 return str; |
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701 } |
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702 |
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703 |
330
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704 nn_strtuple_t *nn_strtuple_new(size_t len, char *str) |
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705 { |
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706 nn_strtuple_t *tuple = th_calloc(1, sizeof(nn_strtuple_t)); |
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707 tuple->len = len; |
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708 tuple->str = str; |
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709 return tuple; |
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710 } |
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711 |
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712 |
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713 void nn_strtuple_free(nn_strtuple_t *tuple) |
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714 { |
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715 th_free(tuple->str); |
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716 th_free(tuple); |
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717 } |