Mercurial > hg > nnchat
annotate util.c @ 454:423a54af68d4 dev-0_9_15
Bump version.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sat, 26 May 2012 05:16:20 +0300 |
parents | d55cc0b73c62 |
children | 35d67bd0613b |
rev | line source |
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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) |
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5 */ |
413 | 6 #include "util.h" |
396
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7 |
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8 |
304
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9 #define PUSHCHAR(x) th_vputch(&result, &resSize, &resPos, x) |
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10 #define PUSHSTR(x) th_vputs(&result, &resSize, &resPos, x) |
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11 |
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12 char *nn_encode_str1(const char *str) |
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13 { |
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14 const char *s = str; |
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15 char *result; |
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16 size_t resSize, resPos = 0; |
390 | 17 |
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18 if (str == NULL) return NULL; |
390 | 19 |
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20 resSize = strlen(str) + NN_ALLOC_SIZE; |
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21 if ((result = th_malloc(resSize)) == NULL) |
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22 return NULL; |
390 | 23 |
386 | 24 while (*s) |
25 { | |
26 switch (*s) | |
27 { | |
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28 case 32: |
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29 PUSHCHAR('+'); |
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30 break; |
390 | 31 |
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32 default: |
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33 if (th_isalnum(*s)) |
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34 PUSHCHAR(*s); |
386 | 35 else |
36 { | |
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37 char tmpStr[4]; |
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38 snprintf(tmpStr, sizeof(tmpStr), "%2X", (unsigned char) *s); |
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39 PUSHCHAR('%'); |
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40 PUSHSTR(tmpStr); |
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41 } |
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42 break; |
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43 } |
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44 s++; |
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45 } |
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46 PUSHCHAR(0); |
390 | 47 |
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48 return result; |
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49 } |
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50 |
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51 |
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52 static int nn_get_hexdigit(const int c, const int shift) |
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53 { |
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54 int i; |
390 | 55 |
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56 if (c >= 'A' && c <= 'F') |
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57 i = c - 'A' + 10; |
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58 else if (c >= 'a' && c <= 'f') |
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59 i = c - 'a' + 10; |
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60 else if (c >= '0' && c <= '9') |
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61 i = c - '0'; |
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62 else |
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63 return -1; |
390 | 64 |
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65 return i << shift; |
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66 } |
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67 |
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68 |
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69 char *nn_decode_str1(const char *str) |
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70 { |
71
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71 const char *s = str; |
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72 char *result; |
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73 size_t resSize, resPos = 0; |
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74 int c; |
390 | 75 |
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76 if (str == NULL) return NULL; |
390 | 77 |
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78 resSize = strlen(str) + NN_ALLOC_SIZE; |
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79 if ((result = th_malloc(resSize)) == NULL) |
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80 return NULL; |
390 | 81 |
386 | 82 while (*s) |
83 { | |
84 switch (*s) | |
85 { | |
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86 case '+': |
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87 PUSHCHAR(' '); |
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88 s++; |
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89 break; |
390 | 90 |
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91 case '½': |
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92 // Escape these .. |
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93 PUSHCHAR('½'); |
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94 PUSHCHAR('½'); |
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95 s++; |
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96 break; |
390 | 97 |
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98 case '\r': |
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99 PUSHCHAR(' '); |
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100 s++; |
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101 break; |
390 | 102 |
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103 case '%': |
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104 s++; |
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105 if (*s == '%') |
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106 PUSHCHAR('%'); |
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107 else if ((c = nn_get_hexdigit(*s, 4)) >= 0) |
390 | 108 { |
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109 int i = nn_get_hexdigit(*(++s), 0); |
386 | 110 if (i >= 0) |
111 { | |
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112 PUSHCHAR((char) (c | i)); |
386 | 113 } |
114 else | |
115 { | |
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116 PUSHCHAR('§'); |
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117 PUSHCHAR(*s); |
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118 } |
386 | 119 } |
120 else | |
121 { | |
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122 PUSHCHAR('§'); |
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123 PUSHCHAR(*s); |
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124 } |
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125 s++; |
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126 break; |
390 | 127 |
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128 default: |
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129 PUSHCHAR(*s); |
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130 s++; |
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131 } |
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132 } |
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133 PUSHCHAR(0); |
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135 return result; |
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136 } |
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137 |
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138 |
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139 char *nn_strip_tags(const char *str) |
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140 { |
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141 const char *s = str; |
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142 char *result; |
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143 size_t resSize, resPos = 0; |
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145 if (str == NULL) return NULL; |
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147 resSize = strlen(str) + NN_ALLOC_SIZE; |
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148 if ((result = th_malloc(resSize)) == NULL) |
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149 return NULL; |
390 | 150 |
386 | 151 while (*s) |
152 { | |
153 if (*s == '<') | |
154 { | |
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155 while (*s && *s != '>') s++; |
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156 if (*s == '>') s++; |
390 | 157 } |
158 else | |
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159 PUSHCHAR(*s++); |
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160 } |
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161 PUSHCHAR(0); |
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163 return result; |
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164 } |
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165 |
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166 |
386 | 167 typedef struct |
168 { | |
168
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169 char c; |
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170 char *ent; |
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171 } html_entity_t; |
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172 |
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173 |
386 | 174 static const html_entity_t HTMLEntities[] = |
175 { | |
168
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176 { '<', "<" }, |
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177 { '>', ">" }, |
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178 }; |
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179 |
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180 static const int numHTMLEntities = sizeof(HTMLEntities) / sizeof(HTMLEntities[0]); |
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181 |
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182 |
97
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183 char *nn_encode_str2(const char *str) |
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184 { |
71
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185 const char *s = str; |
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186 char *result; |
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187 size_t resSize, resPos = 0; |
390 | 188 |
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189 if (str == NULL) return NULL; |
390 | 190 |
168
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191 resSize = strlen(str) + NN_ALLOC_SIZE; |
71
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192 if ((result = th_malloc(resSize)) == NULL) |
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193 return NULL; |
390 | 194 |
386 | 195 while (*s) |
196 { | |
71
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197 int i; |
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198 BOOL found = FALSE; |
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199 for (i = 0; i < numHTMLEntities; i++) |
390 | 200 if (HTMLEntities[i].c == *s) |
201 { | |
202 PUSHSTR(HTMLEntities[i].ent); | |
203 found = TRUE; | |
204 break; | |
205 } | |
71
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206 if (!found) PUSHCHAR(*s); |
390 | 207 |
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208 s++; |
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209 } |
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210 PUSHCHAR(0); |
390 | 211 |
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212 return result; |
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213 } |
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214 |
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215 |
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216 char *nn_decode_str2(const char *str) |
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217 { |
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218 const char *s = str; |
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219 char *result; |
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220 size_t resSize, resPos = 0; |
390 | 221 |
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222 if (str == NULL) return NULL; |
390 | 223 |
71
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224 resSize = strlen(str); |
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225 if ((result = th_malloc(resSize)) == NULL) |
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226 return NULL; |
390 | 227 |
386 | 228 while (*s) |
229 { | |
230 if (*s == '&') | |
231 { | |
71
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232 int i; |
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233 BOOL found = FALSE; |
386 | 234 for (i = 0; i < numHTMLEntities; i++) |
235 { | |
95 | 236 const html_entity_t *ent = &HTMLEntities[i]; |
431
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237 size_t len = strlen(ent->ent); |
386 | 238 if (!strncmp(s, ent->ent, len)) |
239 { | |
71
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240 PUSHCHAR(ent->c); |
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241 s += len; |
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242 found = TRUE; |
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243 break; |
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244 } |
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245 } |
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246 if (!found) PUSHCHAR(*s++); |
390 | 247 } |
248 else | |
71
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249 PUSHCHAR(*s++); |
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250 } |
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251 PUSHCHAR(0); |
390 | 252 |
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253 return result; |
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254 } |
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255 |
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256 |
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257 char *nn_dbldecode_str(const char *str) |
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258 { |
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259 char *res, *tmp; |
390 | 260 |
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261 if ((tmp = nn_decode_str1(str)) == NULL) |
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262 return NULL; |
390 | 263 |
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264 res = nn_decode_str2(tmp); |
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265 th_free(tmp); |
390 | 266 |
267 return res; | |
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268 } |
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269 |
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270 |
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271 char *nn_dblencode_str(const char *str) |
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272 { |
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273 char *res, *tmp; |
390 | 274 |
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275 if ((tmp = nn_encode_str2(str)) == NULL) |
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276 return NULL; |
390 | 277 |
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278 res = nn_encode_str1(tmp); |
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279 th_free(tmp); |
390 | 280 |
281 return res; | |
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282 } |
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283 |
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284 |
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285 int nn_editbuf_write(nn_editbuf_t *buf, size_t pos, char ch) |
65
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286 { |
71
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287 if (buf->len+1 >= buf->size) return -3; |
390 | 288 |
431
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289 if (pos >= buf->len) |
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290 buf->data[buf->len++] = ch; |
386 | 291 else |
71
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292 buf->data[pos] = ch; |
386 | 293 |
71
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294 return 0; |
65
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295 } |
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296 |
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297 |
431
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298 int nn_editbuf_insert(nn_editbuf_t *buf, size_t pos, char ch) |
65
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299 { |
71
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300 if (buf->len+1 >= buf->size) return -3; |
390 | 301 |
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302 if (pos >= buf->len) |
386 | 303 { |
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304 buf->data[buf->len] = ch; |
386 | 305 } |
306 else | |
307 { | |
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308 memmove(&(buf->data[pos+1]), &(buf->data[pos]), buf->len - pos + 1); |
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309 buf->data[pos] = ch; |
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310 } |
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311 buf->len++; |
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312 return 0; |
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313 } |
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314 |
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315 |
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316 int nn_editbuf_delete(nn_editbuf_t *buf, size_t pos) |
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317 { |
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318 if (pos < buf->len) |
386 | 319 { |
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320 memmove(&(buf->data[pos]), &(buf->data[pos+1]), buf->len - pos); |
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321 buf->len--; |
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322 return 0; |
390 | 323 } |
324 else | |
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325 return -2; |
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326 } |
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327 |
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328 |
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329 void nn_editbuf_clear(nn_editbuf_t *buf) |
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330 { |
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331 buf->len = 0; |
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332 buf->pos = 0; |
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333 } |
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334 |
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335 |
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336 nn_editbuf_t * nn_editbuf_new(size_t n) |
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337 { |
89
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338 nn_editbuf_t *res = th_calloc(1, sizeof(nn_editbuf_t)); |
390 | 339 |
71
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340 res->data = (char *) th_malloc(n); |
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341 res->size = n; |
390 | 342 |
71
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343 return res; |
65
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344 } |
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345 |
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346 |
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347 void nn_editbuf_free(nn_editbuf_t *buf) |
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348 { |
386 | 349 if (buf != NULL) |
350 { | |
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351 th_free(buf->data); |
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352 th_free(buf); |
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353 } |
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354 } |
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355 |
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356 |
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357 nn_editbuf_t * nn_editbuf_copy(nn_editbuf_t *src) |
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358 { |
89
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359 nn_editbuf_t *res; |
390 | 360 |
71
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361 assert(src != NULL); |
390 | 362 |
71
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363 if (src == NULL) return NULL; |
390 | 364 |
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365 if ((res = nn_editbuf_new(src->size)) == NULL) |
71
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366 return NULL; |
390 | 367 |
71
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368 memcpy(res->data, src->data, src->size); |
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369 res->pos = res->len = src->len; |
390 | 370 |
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371 return res; |
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372 } |
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373 |
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374 |
431
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375 char * nn_editbuf_get_string(nn_editbuf_t *buf, size_t start, size_t end) |
103
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376 { |
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377 char *str; |
431
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378 size_t siz; |
390 | 379 |
103
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380 if (buf == NULL) |
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381 return NULL; |
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382 |
431
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383 if (end > buf->len || start >= buf->len) |
103
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384 return NULL; |
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385 |
431
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386 if (start <= end) |
103
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387 siz = end - start + 1; |
390 | 388 else |
103
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389 return NULL; |
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390 |
168
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391 if ((str = th_malloc(siz + 1)) == NULL) |
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392 return NULL; |
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393 |
103
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394 memcpy(str, buf->data + start, siz); |
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395 str[siz] = 0; |
168
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396 |
103
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397 return str; |
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398 } |
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399 |
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400 |
431
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401 void nn_editbuf_setpos(nn_editbuf_t *buf, size_t pos) |
65
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402 { |
103
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403 assert(buf != NULL); |
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404 |
431
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405 if (pos >= buf->len) |
71
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406 buf->pos = buf->len; |
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407 else |
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408 buf->pos = pos; |
65
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409 } |
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410 |
94
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411 |
102 | 412 static uint8_t nn_hash_user(const char *name) |
94
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413 { |
103
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414 /* |
94
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415 int n = 0; |
102 | 416 const uint8_t *c = (uint8_t *)name; |
94
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417 uint8_t hash = 0xff; |
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418 |
386 | 419 while (*c && n < 4) |
420 { | |
94
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421 hash = (hash << 1) ^ tolower(*c); |
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422 c++; n++; |
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423 } |
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424 |
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425 return (hash & 0xff); |
103
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426 */ |
431
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427 return (uint8_t) tolower(name[0]); |
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428 } |
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429 |
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430 |
102 | 431 static void nn_user_insert(nn_user_t **list, nn_user_t *node) |
94
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432 { |
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|
433 node->next = *list; |
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|
434 *list = node; |
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|
435 } |
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|
436 |
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|
437 |
446
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|
438 static void nn_user_free(nn_user_t *user) |
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|
439 { |
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|
440 th_free(user->name); |
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|
441 th_free(user); |
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|
442 } |
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|
443 |
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|
444 |
103
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|
445 nn_user_t *nn_userhash_foreach(const nn_userhash_t *list, int (*func)(const nn_user_t *)) |
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446 { |
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|
447 int i; |
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|
448 |
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|
449 if (list == NULL) return NULL; |
390 | 450 |
103
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451 for (i = 0; i < NN_NUM_BUCKETS; i++) |
390 | 452 if (list->buckets[i] != NULL) |
386 | 453 { |
390 | 454 nn_user_t *curr = list->buckets[i]; |
455 while (curr != NULL) | |
456 { | |
457 if (func(curr) != 0) | |
458 return curr; | |
459 curr = curr->next; | |
460 } | |
103
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461 } |
390 | 462 |
103
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|
463 return NULL; |
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|
464 } |
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|
465 |
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|
466 |
446
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|
467 nn_user_t *nn_userhash_find(const nn_userhash_t *list, const char *name) |
94
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468 { |
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|
469 uint8_t hash; |
390 | 470 |
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471 if (list == NULL) return NULL; |
390 | 472 |
106
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|
473 hash = nn_hash_user(name); |
386 | 474 if (list->buckets[hash] != NULL) |
475 { | |
94
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476 nn_user_t *curr = list->buckets[hash]; |
386 | 477 while (curr != NULL) |
478 { | |
372
b9f0bdad6285
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365
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|
479 if (th_strcasecmp(curr->name, name) == 0) |
94
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480 return curr; |
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|
481 curr = curr->next; |
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482 } |
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|
483 } |
390 | 484 |
94
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|
485 return NULL; |
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|
486 } |
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|
487 |
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|
488 |
446
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|
489 static nn_user_t *nn_userhash_match_do(nn_user_t *list, const char *pattern, size_t len) |
164
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490 { |
452
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|
491 nn_user_t *node; |
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|
492 for (node = list; node != NULL; node = node->next) |
386 | 493 { |
452
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446
diff
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|
494 if (len <= strlen(node->name) && th_strncasecmp(node->name, pattern, len) == 0) |
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446
diff
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|
495 return node; |
164
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496 } |
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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
changeset
|
497 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.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
498 } |
701c54a45466
Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
499 |
701c54a45466
Fix matching of usernames against hash. In some cases after the last match the function would not go back to the first match.
Matti Hamalainen <ccr@tnsp.org>
parents:
116
diff
changeset
|
500 |
446
3396acd40147
Rename and remove some functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
431
diff
changeset
|
501 nn_user_t *nn_userhash_match(const nn_userhash_t *list, const char *pattern, const char *current, BOOL again) |
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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diff
changeset
|
502 { |
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diff
changeset
|
503 uint8_t hash; |
390 | 504 |
108
f323b137ca08
Tab-completion now works with cycling, but bugs with names that have whitespaces.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
505 if (list == NULL || pattern == NULL) return NULL; |
103
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Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
506 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
507 hash = nn_hash_user(pattern); |
386 | 508 if (list->buckets[hash] != NULL) |
509 { | |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
510 nn_user_t *node; |
106
c587a99e2096
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103
diff
changeset
|
511 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>
parents:
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diff
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|
512 |
386 | 513 if (current != NULL) |
514 { | |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
515 for (node = list->buckets[hash]; node != NULL; node = node->next) |
386 | 516 { |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
517 if (th_strcasecmp(node->name, current) == 0) |
386 | 518 { |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
519 nn_user_t *found; |
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
520 |
116
741e45592522
Add simple "prediction" into tab-completion based on previously gotten last
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108
diff
changeset
|
521 if (again) |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
522 return node; |
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
523 |
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
524 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
|
525 return found; |
103
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parents:
102
diff
changeset
|
526 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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diff
changeset
|
527 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
528 } |
116
741e45592522
Add simple "prediction" into tab-completion based on previously gotten last
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parents:
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diff
changeset
|
529 |
452
aeb3171f9e28
Simplify the userhash matching code a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
446
diff
changeset
|
530 if ((node = nn_userhash_match_do(list->buckets[hash], pattern, len)) != NULL) |
aeb3171f9e28
Simplify the userhash matching code a bit.
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parents:
446
diff
changeset
|
531 return node; |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
532 } |
390 | 533 |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
534 return NULL; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
535 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
536 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
537 |
eaa524e153f9
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diff
changeset
|
538 nn_userhash_t *nn_userhash_new(void) |
eaa524e153f9
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diff
changeset
|
539 { |
eaa524e153f9
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diff
changeset
|
540 return th_calloc(1, sizeof(nn_userhash_t)); |
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Initial implementation of functions for implementing tab-completion for user names.
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|
541 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
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diff
changeset
|
542 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
543 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
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103
diff
changeset
|
544 int nn_userhash_insert(nn_userhash_t *list, const char *name) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
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91
diff
changeset
|
545 { |
6e47426efb6a
Add preliminary userlist data handling functions.
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91
diff
changeset
|
546 uint8_t hash; |
6e47426efb6a
Add preliminary userlist data handling functions.
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91
diff
changeset
|
547 nn_user_t *user; |
390 | 548 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
549 // Check arguments |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
550 if (list == NULL || name == NULL) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
551 return -1; |
390 | 552 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
553 // Check if username is already there |
446
3396acd40147
Rename and remove some functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
431
diff
changeset
|
554 if (nn_userhash_find(list, name) != NULL) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
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parents:
91
diff
changeset
|
555 return 1; |
390 | 556 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
557 // No, we'll add it |
94
6e47426efb6a
Add preliminary userlist data handling functions.
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parents:
91
diff
changeset
|
558 if ((user = th_calloc(1, sizeof(nn_user_t))) == NULL) |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
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91
diff
changeset
|
559 return -3; |
390 | 560 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
561 user->name = th_strdup(name); |
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
562 if (user->name == NULL) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
563 return -4; |
390 | 564 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
565 hash = nn_hash_user(name); |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
566 nn_user_insert(&(list->buckets[hash]), user); |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
567 |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
568 return 0; |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
569 } |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
570 |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
571 |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
572 int nn_userhash_delete(nn_userhash_t *list, const char *name) |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
573 { |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
574 uint8_t hash; |
390 | 575 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
576 // Check arguments |
106
c587a99e2096
Drop internal use and storage of encoded usernames.
Matti Hamalainen <ccr@tnsp.org>
parents:
103
diff
changeset
|
577 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
|
578 return -1; |
390 | 579 |
419
d015ecbd231d
Use C99 style comments, too.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
580 // 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
|
581 hash = nn_hash_user(name); |
386 | 582 if (list->buckets[hash] != NULL) |
583 { | |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
584 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
|
585 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
|
586 prev = NULL; |
386 | 587 while (curr != NULL) |
588 { | |
589 if (th_strcasecmp(curr->name, name) == 0) | |
590 { | |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
591 if (prev) |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
592 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
|
593 else |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
594 list->buckets[hash] = curr->next; |
390 | 595 |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
596 nn_user_free(curr); |
390 | 597 |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
598 return 0; |
386 | 599 } |
600 else | |
601 { | |
103
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
602 prev = curr; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
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parents:
102
diff
changeset
|
603 curr = curr->next; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
604 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
605 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
606 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
607 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
608 return 1; |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
609 } |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
610 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
611 |
eaa524e153f9
Initial implementation of functions for implementing tab-completion for user names.
Matti Hamalainen <ccr@tnsp.org>
parents:
102
diff
changeset
|
612 void nn_userhash_free(nn_userhash_t *hash) |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
613 { |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
614 int i; |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
615 if (hash == NULL) |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
616 return; |
390 | 617 |
386 | 618 for (i = 0; i < NN_NUM_BUCKETS; i++) |
619 { | |
453
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
620 nn_user_t *curr = hash->buckets[i]; |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
621 |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
622 while (curr != NULL) |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
623 { |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
624 nn_user_t *next = curr->next; |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
625 nn_user_free(curr); |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
626 curr = next; |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
627 } |
d55cc0b73c62
Merge nn_user_free_list() into a parent function.
Matti Hamalainen <ccr@tnsp.org>
parents:
452
diff
changeset
|
628 |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
629 hash->buckets[i] = NULL; |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
630 } |
390 | 631 |
94
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
632 th_free(hash); |
6e47426efb6a
Add preliminary userlist data handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
91
diff
changeset
|
633 } |
285
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
Matti Hamalainen <ccr@tnsp.org>
parents:
277
diff
changeset
|
634 |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
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parents:
277
diff
changeset
|
635 |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
Matti Hamalainen <ccr@tnsp.org>
parents:
277
diff
changeset
|
636 char *nn_username_encode(char *str) |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
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parents:
277
diff
changeset
|
637 { |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
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parents:
277
diff
changeset
|
638 unsigned char *c = (unsigned char *) str; |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
Matti Hamalainen <ccr@tnsp.org>
parents:
277
diff
changeset
|
639 if (str == NULL) return NULL; |
390 | 640 for (; *c ; c++) |
285
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
Matti Hamalainen <ccr@tnsp.org>
parents:
277
diff
changeset
|
641 if (*c == ' ') *c = 255; |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
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parents:
277
diff
changeset
|
642 return str; |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
Matti Hamalainen <ccr@tnsp.org>
parents:
277
diff
changeset
|
643 } |
b765f15f9895
Move nn_username_{de,en}code() to libnnchat.
Matti Hamalainen <ccr@tnsp.org>
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644 |
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645 |
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646 char *nn_username_decode(char *str) |
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647 { |
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648 unsigned char *c = (unsigned char *) str; |
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649 if (str == NULL) return NULL; |
390 | 650 for (; *c ; c++) |
285
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651 if (*c == 255) *c = ' '; |
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652 return str; |
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653 } |
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654 |
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655 |
325
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656 nn_window_t *nn_window_new(const char *id) |
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657 { |
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658 nn_window_t *res = th_calloc(1, sizeof(nn_window_t)); |
390 | 659 |
325
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660 if (res == NULL) return NULL; |
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661 |
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662 res->data = th_ringbuf_new(NN_BACKBUF_LEN, th_free); |
386 | 663 if (res->data == NULL) |
664 { | |
325
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665 th_free(res); |
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666 return NULL; |
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667 } |
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668 |
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669 res->id = th_strdup(id); |
390 | 670 |
325
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671 return res; |
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672 } |
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673 |
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674 |
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675 void nn_window_free(nn_window_t *win) |
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676 { |
386 | 677 if (win != NULL) |
678 { | |
325
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679 th_ringbuf_free(win->data); |
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680 th_free(win->id); |
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681 th_free(win); |
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682 } |
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683 } |
330
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684 |
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685 |
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686 nn_strtuple_t *nn_strtuple_new(size_t len, char *str) |
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687 { |
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688 nn_strtuple_t *tuple = th_calloc(1, sizeof(nn_strtuple_t)); |
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689 tuple->len = len; |
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690 tuple->str = str; |
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691 return tuple; |
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692 } |
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693 |
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694 |
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695 void nn_strtuple_free(nn_strtuple_t *tuple) |
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696 { |
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697 th_free(tuple->str); |
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698 th_free(tuple); |
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699 } |