Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 1866:d5557e6a4224
use correct type cast
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 24 Jan 2008 15:18:17 +0000 |
| parents | 8382d94ba6ae |
| children | 286ff5ad4120 |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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10 |
| 493 | 11 u_char * |
| 12 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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13 { |
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14 if (n == 0) { |
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15 return dst; |
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16 } |
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17 |
| 517 | 18 for ( /* void */ ; --n; dst++, src++) { |
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19 *dst = *src; |
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20 |
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21 if (*dst == '\0') { |
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22 return dst; |
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23 } |
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24 } |
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25 |
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26 *dst = '\0'; |
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27 |
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28 return dst; |
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29 } |
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31 |
| 493 | 32 u_char * |
| 33 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
| 485 | 34 { |
| 35 u_char *dst; | |
| 36 | |
| 501 | 37 dst = ngx_palloc(pool, src->len); |
| 38 if (dst == NULL) { | |
| 485 | 39 return NULL; |
| 40 } | |
| 41 | |
| 42 ngx_memcpy(dst, src->data, src->len); | |
| 43 | |
| 44 return dst; | |
| 45 } | |
| 46 | |
| 47 | |
| 455 | 48 /* |
| 49 * supported formats: | |
| 473 | 50 * %[0][width][x][X]O off_t |
| 461 | 51 * %[0][width]T time_t |
| 52 * %[0][width][u][x|X]z ssize_t/size_t | |
| 53 * %[0][width][u][x|X]d int/u_int | |
| 54 * %[0][width][u][x|X]l long | |
| 55 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
| 56 * %[0][width][u][x|X]D int32_t/uint32_t | |
| 57 * %[0][width][u][x|X]L int64_t/uint64_t | |
| 495 | 58 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
| 461 | 59 * %P ngx_pid_t |
| 557 | 60 * %M ngx_msec_t |
| 461 | 61 * %r rlim_t |
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62 * %p void * |
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63 * %V ngx_str_t * |
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64 * %v ngx_variable_value_t * |
| 461 | 65 * %s null-terminated string |
| 1773 | 66 * %*s length and string |
| 461 | 67 * %Z '\0' |
| 525 | 68 * %N '\n' |
| 461 | 69 * %c char |
| 70 * %% % | |
| 455 | 71 * |
| 461 | 72 * reserved: |
| 73 * %t ptrdiff_t | |
| 74 * %S null-teminated wchar string | |
| 75 * %C wchar | |
| 455 | 76 */ |
| 77 | |
| 461 | 78 |
| 503 | 79 u_char * ngx_cdecl |
| 493 | 80 ngx_sprintf(u_char *buf, const char *fmt, ...) |
| 461 | 81 { |
| 82 u_char *p; | |
| 83 va_list args; | |
| 84 | |
| 85 va_start(args, fmt); | |
| 86 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
| 87 va_end(args); | |
| 88 | |
| 89 return p; | |
| 90 } | |
| 91 | |
| 92 | |
| 503 | 93 u_char * ngx_cdecl |
| 493 | 94 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
| 455 | 95 { |
| 461 | 96 u_char *p; |
| 97 va_list args; | |
| 98 | |
| 99 va_start(args, fmt); | |
| 100 p = ngx_vsnprintf(buf, max, fmt, args); | |
| 101 va_end(args); | |
| 102 | |
| 103 return p; | |
| 104 } | |
| 105 | |
| 455 | 106 |
| 493 | 107 u_char * |
| 108 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
| 461 | 109 { |
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110 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1]; |
| 479 | 111 /* |
| 112 * really we need temp[NGX_INT64_LEN] only, | |
| 493 | 113 * but icc issues the warning |
| 479 | 114 */ |
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115 int d; |
| 1773 | 116 size_t len, slen; |
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117 uint32_t ui32; |
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118 int64_t i64; |
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119 uint64_t ui64; |
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120 ngx_msec_t ms; |
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121 ngx_uint_t width, sign, hexadecimal, max_width; |
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122 ngx_str_t *v; |
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123 ngx_variable_value_t *vv; |
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124 static u_char hex[] = "0123456789abcdef"; |
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125 static u_char HEX[] = "0123456789ABCDEF"; |
| 455 | 126 |
| 461 | 127 if (max == 0) { |
| 128 return buf; | |
| 129 } | |
| 130 | |
| 131 last = buf + max; | |
| 132 | |
| 133 while (*fmt && buf < last) { | |
| 134 | |
| 135 /* | |
| 136 * "buf < last" means that we could copy at least one character: | |
| 137 * the plain character, "%%", "%c", and minus without the checking | |
| 138 */ | |
| 139 | |
| 455 | 140 if (*fmt == '%') { |
| 141 | |
| 461 | 142 i64 = 0; |
| 143 ui64 = 0; | |
| 144 | |
| 145 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
| 455 | 146 width = 0; |
| 147 sign = 1; | |
| 148 hexadecimal = 0; | |
| 493 | 149 max_width = 0; |
| 1863 | 150 slen = (size_t) -1; |
| 455 | 151 |
| 477 | 152 p = temp + NGX_INT64_LEN; |
| 455 | 153 |
| 154 while (*fmt >= '0' && *fmt <= '9') { | |
| 155 width = width * 10 + *fmt++ - '0'; | |
| 156 } | |
| 157 | |
| 158 | |
| 159 for ( ;; ) { | |
| 160 switch (*fmt) { | |
| 161 | |
| 162 case 'u': | |
| 163 sign = 0; | |
| 164 fmt++; | |
| 165 continue; | |
| 166 | |
| 467 | 167 case 'm': |
| 493 | 168 max_width = 1; |
| 467 | 169 fmt++; |
| 170 continue; | |
| 171 | |
| 461 | 172 case 'X': |
| 173 hexadecimal = 2; | |
| 174 sign = 0; | |
| 175 fmt++; | |
| 176 continue; | |
| 177 | |
| 455 | 178 case 'x': |
| 179 hexadecimal = 1; | |
| 461 | 180 sign = 0; |
| 455 | 181 fmt++; |
| 182 continue; | |
| 183 | |
| 1773 | 184 case '*': |
| 1866 | 185 slen = va_arg(args, size_t); |
| 1773 | 186 fmt++; |
| 187 continue; | |
| 188 | |
| 455 | 189 default: |
| 190 break; | |
| 191 } | |
| 192 | |
| 193 break; | |
| 194 } | |
| 195 | |
| 196 | |
| 197 switch (*fmt) { | |
| 198 | |
| 461 | 199 case 'V': |
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200 v = va_arg(args, ngx_str_t *); |
| 455 | 201 |
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202 len = v->len; |
| 573 | 203 len = (buf + len < last) ? len : (size_t) (last - buf); |
| 204 | |
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205 buf = ngx_cpymem(buf, v->data, len); |
| 461 | 206 fmt++; |
| 455 | 207 |
| 461 | 208 continue; |
| 455 | 209 |
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210 case 'v': |
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211 vv = va_arg(args, ngx_variable_value_t *); |
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212 |
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213 len = vv->len; |
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214 len = (buf + len < last) ? len : (size_t) (last - buf); |
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215 |
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216 buf = ngx_cpymem(buf, vv->data, len); |
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217 fmt++; |
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218 |
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219 continue; |
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220 |
| 455 | 221 case 's': |
| 461 | 222 p = va_arg(args, u_char *); |
| 455 | 223 |
| 1863 | 224 if (slen == (size_t) -1) { |
| 1773 | 225 while (*p && buf < last) { |
| 226 *buf++ = *p++; | |
| 227 } | |
| 228 | |
| 229 } else { | |
| 230 buf = ngx_cpymem(buf, p, slen); | |
| 455 | 231 } |
| 1773 | 232 |
| 455 | 233 fmt++; |
| 234 | |
| 235 continue; | |
| 236 | |
| 461 | 237 case 'O': |
| 238 i64 = (int64_t) va_arg(args, off_t); | |
| 239 sign = 1; | |
| 240 break; | |
| 241 | |
| 242 case 'P': | |
| 243 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
| 244 sign = 1; | |
| 245 break; | |
| 246 | |
| 247 case 'T': | |
| 248 i64 = (int64_t) va_arg(args, time_t); | |
| 249 sign = 1; | |
| 250 break; | |
| 251 | |
| 557 | 252 case 'M': |
| 561 | 253 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
| 254 if ((ngx_msec_int_t) ms == -1) { | |
| 255 sign = 1; | |
| 256 i64 = -1; | |
| 257 } else { | |
| 258 sign = 0; | |
| 259 ui64 = (uint64_t) ms; | |
| 260 } | |
| 557 | 261 break; |
| 262 | |
| 461 | 263 case 'z': |
| 264 if (sign) { | |
| 265 i64 = (int64_t) va_arg(args, ssize_t); | |
| 266 } else { | |
| 267 ui64 = (uint64_t) va_arg(args, size_t); | |
| 268 } | |
| 269 break; | |
| 270 | |
| 271 case 'i': | |
| 272 if (sign) { | |
| 273 i64 = (int64_t) va_arg(args, ngx_int_t); | |
| 274 } else { | |
| 275 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
| 276 } | |
| 493 | 277 |
| 278 if (max_width) { | |
| 279 width = NGX_INT_T_LEN; | |
| 280 } | |
| 281 | |
| 461 | 282 break; |
| 283 | |
| 284 case 'd': | |
| 285 if (sign) { | |
| 286 i64 = (int64_t) va_arg(args, int); | |
| 287 } else { | |
| 288 ui64 = (uint64_t) va_arg(args, u_int); | |
| 289 } | |
| 290 break; | |
| 291 | |
| 292 case 'l': | |
| 293 if (sign) { | |
| 294 i64 = (int64_t) va_arg(args, long); | |
| 295 } else { | |
| 296 ui64 = (uint64_t) va_arg(args, u_long); | |
| 297 } | |
| 298 break; | |
| 299 | |
| 300 case 'D': | |
| 301 if (sign) { | |
| 302 i64 = (int64_t) va_arg(args, int32_t); | |
| 303 } else { | |
| 304 ui64 = (uint64_t) va_arg(args, uint32_t); | |
| 305 } | |
| 306 break; | |
| 307 | |
| 308 case 'L': | |
| 309 if (sign) { | |
| 310 i64 = va_arg(args, int64_t); | |
| 311 } else { | |
| 312 ui64 = va_arg(args, uint64_t); | |
| 313 } | |
| 314 break; | |
| 315 | |
| 493 | 316 case 'A': |
| 317 if (sign) { | |
| 318 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
| 319 } else { | |
| 495 | 320 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
| 493 | 321 } |
| 322 | |
| 323 if (max_width) { | |
| 324 width = NGX_ATOMIC_T_LEN; | |
| 325 } | |
| 326 | |
| 327 break; | |
| 328 | |
| 461 | 329 #if !(NGX_WIN32) |
| 330 case 'r': | |
| 331 i64 = (int64_t) va_arg(args, rlim_t); | |
| 332 sign = 1; | |
| 333 break; | |
| 334 #endif | |
| 335 | |
| 336 case 'p': | |
| 337 ui64 = (uintptr_t) va_arg(args, void *); | |
| 338 hexadecimal = 2; | |
| 339 sign = 0; | |
| 340 zero = '0'; | |
| 613 | 341 width = NGX_PTR_SIZE * 2; |
| 461 | 342 break; |
| 343 | |
| 457 | 344 case 'c': |
| 461 | 345 d = va_arg(args, int); |
| 457 | 346 *buf++ = (u_char) (d & 0xff); |
| 347 fmt++; | |
| 348 | |
| 349 continue; | |
| 350 | |
| 461 | 351 case 'Z': |
| 352 *buf++ = '\0'; | |
| 353 fmt++; | |
| 354 | |
| 355 continue; | |
| 356 | |
| 525 | 357 case 'N': |
| 358 #if (NGX_WIN32) | |
| 359 *buf++ = CR; | |
| 360 #endif | |
| 361 *buf++ = LF; | |
| 362 fmt++; | |
| 363 | |
| 364 continue; | |
| 365 | |
| 455 | 366 case '%': |
| 367 *buf++ = '%'; | |
| 368 fmt++; | |
| 369 | |
| 370 continue; | |
| 371 | |
| 372 default: | |
| 373 *buf++ = *fmt++; | |
| 374 | |
| 375 continue; | |
| 376 } | |
| 377 | |
| 461 | 378 if (sign) { |
| 379 if (i64 < 0) { | |
| 380 *buf++ = '-'; | |
| 381 ui64 = (uint64_t) -i64; | |
| 382 | |
| 383 } else { | |
| 384 ui64 = (uint64_t) i64; | |
| 385 } | |
| 386 } | |
| 387 | |
| 388 if (hexadecimal == 1) { | |
| 389 do { | |
| 390 | |
| 391 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 392 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
| 393 | |
| 394 } while (ui64 >>= 4); | |
| 395 | |
| 396 } else if (hexadecimal == 2) { | |
| 397 do { | |
| 398 | |
| 399 /* the "(uint32_t)" cast disables the BCC's warning */ | |
| 400 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
| 401 | |
| 402 } while (ui64 >>= 4); | |
| 403 | |
| 404 } else if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
| 405 | |
| 406 /* | |
| 407 * To divide 64-bit number and to find the remainder | |
| 408 * on the x86 platform gcc and icc call the libc functions | |
| 409 * [u]divdi3() and [u]moddi3(), they call another function | |
| 493 | 410 * in its turn. On FreeBSD it is the qdivrem() function, |
| 461 | 411 * its source code is about 170 lines of the code. |
| 412 * The glibc counterpart is about 150 lines of the code. | |
| 413 * | |
| 493 | 414 * For 32-bit numbers and some divisors gcc and icc use |
| 415 * the inlined multiplication and shifts. For example, | |
| 416 * unsigned "i32 / 10" is compiled to | |
| 417 * | |
| 418 * (i32 * 0xCCCCCCCD) >> 35 | |
| 461 | 419 */ |
| 420 | |
| 421 ui32 = (uint32_t) ui64; | |
| 422 | |
| 423 do { | |
| 424 *--p = (u_char) (ui32 % 10 + '0'); | |
| 425 } while (ui32 /= 10); | |
| 426 | |
| 427 } else { | |
| 428 do { | |
| 429 *--p = (u_char) (ui64 % 10 + '0'); | |
| 430 } while (ui64 /= 10); | |
| 431 } | |
| 432 | |
| 477 | 433 len = (temp + NGX_INT64_LEN) - p; |
| 455 | 434 |
| 461 | 435 while (len++ < width && buf < last) { |
| 436 *buf++ = zero; | |
| 455 | 437 } |
| 438 | |
| 477 | 439 len = (temp + NGX_INT64_LEN) - p; |
| 461 | 440 if (buf + len > last) { |
| 441 len = last - buf; | |
| 442 } | |
| 443 | |
| 444 buf = ngx_cpymem(buf, p, len); | |
| 455 | 445 |
| 446 fmt++; | |
| 447 | |
| 448 } else { | |
| 449 *buf++ = *fmt++; | |
| 450 } | |
| 451 } | |
| 452 | |
| 453 return buf; | |
| 454 } | |
| 455 | |
| 456 | |
|
1107
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457 /* |
| 1541 | 458 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
|
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459 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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460 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
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461 * instead of the u_char's, because they are slightly faster. |
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462 */ |
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463 |
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464 ngx_int_t |
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465 ngx_strcasecmp(u_char *s1, u_char *s2) |
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466 { |
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467 ngx_uint_t c1, c2; |
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468 |
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469 for ( ;; ) { |
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470 c1 = (ngx_uint_t) *s1++; |
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471 c2 = (ngx_uint_t) *s2++; |
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472 |
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473 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
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474 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
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475 |
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476 if (c1 == c2) { |
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|
477 |
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478 if (c1) { |
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479 continue; |
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480 } |
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481 |
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482 return 0; |
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483 } |
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484 |
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485 return c1 - c2; |
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486 } |
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487 } |
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488 |
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489 |
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490 ngx_int_t |
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491 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
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492 { |
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493 ngx_uint_t c1, c2; |
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|
494 |
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495 while (n) { |
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496 c1 = (ngx_uint_t) *s1++; |
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497 c2 = (ngx_uint_t) *s2++; |
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|
498 |
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499 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
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500 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
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|
501 |
|
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502 if (c1 == c2) { |
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|
503 |
|
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|
504 if (c1) { |
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|
505 n--; |
|
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|
506 continue; |
|
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|
507 } |
|
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|
508 |
|
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|
509 return 0; |
|
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|
510 } |
|
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|
511 |
|
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|
512 return c1 - c2; |
|
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|
513 } |
|
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|
514 |
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|
515 return 0; |
|
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|
516 } |
|
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|
517 |
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|
518 |
| 1552 | 519 u_char * |
| 520 ngx_strnstr(u_char *s1, char *s2, size_t len) | |
| 521 { | |
| 522 u_char c1, c2; | |
| 523 size_t n; | |
| 524 | |
| 525 c2 = *(u_char *) s2++; | |
| 526 | |
| 527 n = ngx_strlen(s2); | |
| 528 | |
| 529 do { | |
| 530 do { | |
| 531 if (len-- == 0) { | |
| 532 return NULL; | |
| 533 } | |
| 534 | |
| 535 c1 = *s1++; | |
| 536 | |
| 537 if (c1 == 0) { | |
| 538 return NULL; | |
| 539 } | |
| 540 | |
| 541 } while (c1 != c2); | |
| 542 | |
| 543 if (n > len) { | |
| 544 return NULL; | |
| 545 } | |
| 546 | |
| 547 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); | |
| 548 | |
| 549 return --s1; | |
| 550 } | |
| 551 | |
| 552 | |
| 1550 | 553 /* |
| 554 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
| 555 * substring with known length in null-terminated string. The argument n | |
| 556 * must be length of the second substring - 1. | |
| 557 */ | |
| 558 | |
|
1542
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|
559 u_char * |
|
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|
560 ngx_strstrn(u_char *s1, char *s2, size_t n) |
|
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|
561 { |
|
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|
562 u_char c1, c2; |
|
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|
563 |
|
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|
564 c2 = *(u_char *) s2++; |
|
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|
565 |
|
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|
566 do { |
|
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|
567 do { |
|
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|
568 c1 = *s1++; |
|
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|
569 |
|
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|
570 if (c1 == 0) { |
|
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|
571 return NULL; |
|
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|
572 } |
|
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|
573 |
|
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|
574 } while (c1 != c2); |
|
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changeset
|
575 |
|
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|
576 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
|
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|
577 |
|
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|
578 return --s1; |
|
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|
579 } |
|
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ngx_strstrn() and ngx_strcasestrn()
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changeset
|
580 |
|
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changeset
|
581 |
|
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|
582 u_char * |
|
f5bd1a7ed2cd
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changeset
|
583 ngx_strcasestrn(u_char *s1, char *s2, size_t n) |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
584 { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
585 ngx_uint_t c1, c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
586 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
587 c2 = (ngx_uint_t) *s2++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
588 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
589 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
590 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
591 do { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
592 c1 = (ngx_uint_t) *s1++; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
593 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
594 if (c1 == 0) { |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
595 return NULL; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
596 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
597 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
598 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
599 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
600 } while (c1 != c2); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
601 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
602 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
603 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
604 return --s1; |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
605 } |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
606 |
|
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
607 |
| 493 | 608 ngx_int_t |
| 609 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) | |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
610 { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
611 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
612 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
613 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
614 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
615 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
616 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
617 for ( ;; ) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
618 if (s1[n] != s2[n]) { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
619 return s1[n] - s2[n]; |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
620 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
621 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
622 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
623 return 0; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
624 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
625 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
626 n--; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
627 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
628 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
629 |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
630 |
| 493 | 631 ngx_int_t |
| 632 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
| 455 | 633 { |
| 634 u_char c1, c2; | |
| 635 | |
| 636 if (n == 0) { | |
| 637 return 0; | |
| 638 } | |
| 639 | |
| 640 n--; | |
| 641 | |
| 642 for ( ;; ) { | |
| 643 c1 = s1[n]; | |
| 644 if (c1 >= 'a' && c1 <= 'z') { | |
| 645 c1 -= 'a' - 'A'; | |
| 646 } | |
| 647 | |
| 648 c2 = s2[n]; | |
| 649 if (c2 >= 'a' && c2 <= 'z') { | |
| 650 c2 -= 'a' - 'A'; | |
| 651 } | |
| 652 | |
| 653 if (c1 != c2) { | |
| 654 return c1 - c2; | |
| 655 } | |
| 656 | |
| 657 if (n == 0) { | |
| 658 return 0; | |
| 659 } | |
| 660 | |
| 661 n--; | |
| 662 } | |
| 663 } | |
| 664 | |
| 665 | |
| 493 | 666 ngx_int_t |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
667 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
| 1024 | 668 { |
| 669 size_t n; | |
| 670 ngx_int_t m, z; | |
| 671 | |
| 672 if (n1 <= n2) { | |
| 673 n = n1; | |
| 674 z = -1; | |
| 675 | |
| 676 } else { | |
| 677 n = n2; | |
| 678 z = 1; | |
| 679 } | |
| 680 | |
|
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
681 m = ngx_memcmp(s1, s2, n); |
| 1024 | 682 |
| 683 if (m || n1 == n2) { | |
| 684 return m; | |
| 685 } | |
| 686 | |
| 687 return z; | |
| 688 } | |
| 689 | |
| 690 | |
| 691 ngx_int_t | |
| 493 | 692 ngx_atoi(u_char *line, size_t n) |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
693 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
694 ngx_int_t value; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
695 |
|
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
696 if (n == 0) { |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
697 return NGX_ERROR; |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
698 } |
|
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
699 |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
700 for (value = 0; n--; line++) { |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
701 if (*line < '0' || *line > '9') { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
702 return NGX_ERROR; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
703 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
704 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
705 value = value * 10 + (*line - '0'); |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
706 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
707 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
708 if (value < 0) { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
709 return NGX_ERROR; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
710 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
711 } else { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
712 return value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
713 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
714 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
715 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
716 |
| 501 | 717 ssize_t |
| 718 ngx_atosz(u_char *line, size_t n) | |
| 719 { | |
| 720 ssize_t value; | |
| 721 | |
| 722 if (n == 0) { | |
| 723 return NGX_ERROR; | |
| 724 } | |
| 725 | |
| 726 for (value = 0; n--; line++) { | |
| 727 if (*line < '0' || *line > '9') { | |
| 728 return NGX_ERROR; | |
| 729 } | |
| 730 | |
| 731 value = value * 10 + (*line - '0'); | |
| 732 } | |
| 733 | |
| 734 if (value < 0) { | |
| 735 return NGX_ERROR; | |
| 736 | |
| 737 } else { | |
| 738 return value; | |
| 739 } | |
| 740 } | |
| 741 | |
| 742 | |
| 743 off_t | |
| 744 ngx_atoof(u_char *line, size_t n) | |
| 745 { | |
| 746 off_t value; | |
| 747 | |
| 748 if (n == 0) { | |
| 749 return NGX_ERROR; | |
| 750 } | |
| 751 | |
| 752 for (value = 0; n--; line++) { | |
| 753 if (*line < '0' || *line > '9') { | |
| 754 return NGX_ERROR; | |
| 755 } | |
| 756 | |
| 757 value = value * 10 + (*line - '0'); | |
| 758 } | |
| 759 | |
| 760 if (value < 0) { | |
| 761 return NGX_ERROR; | |
| 762 | |
| 763 } else { | |
| 764 return value; | |
| 765 } | |
| 766 } | |
| 767 | |
| 768 | |
| 769 time_t | |
| 770 ngx_atotm(u_char *line, size_t n) | |
| 771 { | |
| 772 time_t value; | |
| 773 | |
| 774 if (n == 0) { | |
| 775 return NGX_ERROR; | |
| 776 } | |
| 777 | |
| 778 for (value = 0; n--; line++) { | |
| 779 if (*line < '0' || *line > '9') { | |
| 780 return NGX_ERROR; | |
| 781 } | |
| 782 | |
| 783 value = value * 10 + (*line - '0'); | |
| 784 } | |
| 785 | |
| 786 if (value < 0) { | |
| 787 return NGX_ERROR; | |
| 788 | |
| 789 } else { | |
| 790 return value; | |
| 791 } | |
| 792 } | |
| 793 | |
| 794 | |
| 493 | 795 ngx_int_t |
| 796 ngx_hextoi(u_char *line, size_t n) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
797 { |
| 783 | 798 u_char c, ch; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
799 ngx_int_t value; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
800 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
801 if (n == 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
802 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
803 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
804 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
805 for (value = 0; n--; line++) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
806 ch = *line; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
807 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
808 if (ch >= '0' && ch <= '9') { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
809 value = value * 16 + (ch - '0'); |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
810 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
811 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
812 |
| 783 | 813 c = (u_char) (ch | 0x20); |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
814 |
| 783 | 815 if (c >= 'a' && c <= 'f') { |
| 816 value = value * 16 + (c - 'a' + 10); | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
817 continue; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
818 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
819 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
820 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
821 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
822 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
823 if (value < 0) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
824 return NGX_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
825 |
|
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
826 } else { |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
827 return value; |
|
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
828 } |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
829 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
830 |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
831 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
832 u_char * |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
833 ngx_hex_dump(u_char *dst, u_char *src, size_t len) |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
834 { |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
835 static u_char hex[] = "0123456789abcdef"; |
|
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
836 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
837 while (len--) { |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
838 *dst++ = hex[*src >> 4]; |
|
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
839 *dst++ = hex[*src++ & 0xf]; |
|
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
840 } |
|
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
841 |
|
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
842 return dst; |
|
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
843 } |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
844 |
|
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
845 |
| 493 | 846 void |
| 847 ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src) | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
848 { |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
849 u_char *d, *s; |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
850 size_t len; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
851 static u_char basis64[] = |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
852 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
853 |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
854 len = src->len; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
855 s = src->data; |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
856 d = dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
857 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
858 while (len > 2) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
859 *d++ = basis64[(s[0] >> 2) & 0x3f]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
860 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
861 *d++ = basis64[((s[1] & 0x0f) << 2) | (s[2] >> 6)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
862 *d++ = basis64[s[2] & 0x3f]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
863 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
864 s += 3; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
865 len -= 3; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
866 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
867 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
868 if (len) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
869 *d++ = basis64[(s[0] >> 2) & 0x3f]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
870 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
871 if (len == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
872 *d++ = basis64[(s[0] & 3) << 4]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
873 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
874 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
875 } else { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
876 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)]; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
877 *d++ = basis64[(s[1] & 0x0f) << 2]; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
878 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
879 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
880 *d++ = '='; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
881 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
882 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
883 dst->len = d - dst->data; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
884 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
885 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
886 |
| 493 | 887 ngx_int_t |
| 888 ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src) | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
889 { |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
890 size_t len; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
891 u_char *d, *s; |
| 827 | 892 static u_char basis64[] = { |
| 893 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 894 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 895 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
| 896 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
| 897 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
| 898 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
| 899 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
| 900 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77, | |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
901 |
| 827 | 902 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
| 903 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 904 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 905 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 906 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 907 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 908 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
| 909 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
| 910 }; | |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
911 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
912 for (len = 0; len < src->len; len++) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
913 if (src->data[len] == '=') { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
914 break; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
915 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
916 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
917 if (basis64[src->data[len]] == 77) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
918 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
919 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
920 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
921 |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
922 if (len % 4 == 1) { |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
923 return NGX_ERROR; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
924 } |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
925 |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
926 s = src->data; |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
927 d = dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
928 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
929 while (len > 3) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
930 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4); |
|
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
931 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2); |
|
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
932 *d++ = (u_char) (basis64[s[2]] << 6 | basis64[s[3]]); |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
933 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
934 s += 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
935 len -= 4; |
|
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
936 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
937 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
938 if (len > 1) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
939 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4); |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
940 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
941 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
942 if (len > 2) { |
|
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
943 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2); |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
944 } |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
945 |
|
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
946 dst->len = d - dst->data; |
|
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
947 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
948 return NGX_OK; |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
949 } |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
950 |
|
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
951 |
| 657 | 952 /* |
| 953 * ngx_utf_decode() decodes two and more bytes UTF sequences only | |
| 954 * the return values: | |
| 955 * 0x80 - 0x10ffff valid character | |
| 956 * 0x10ffff - 0xfffffffd invalid sequence | |
| 957 * 0xfffffffe incomplete sequence | |
| 958 * 0xffffffff error | |
| 959 */ | |
| 960 | |
| 961 uint32_t | |
| 962 ngx_utf_decode(u_char **p, size_t n) | |
| 963 { | |
| 964 size_t len; | |
| 965 uint32_t u, i, valid; | |
| 966 | |
| 967 u = **p; | |
| 968 | |
| 969 if (u > 0xf0) { | |
| 970 | |
| 971 u &= 0x07; | |
| 972 valid = 0xffff; | |
| 973 len = 3; | |
| 974 | |
| 975 } else if (u > 0xe0) { | |
| 976 | |
| 977 u &= 0x0f; | |
| 978 valid = 0x7ff; | |
| 979 len = 2; | |
| 980 | |
| 981 } else if (u > 0xc0) { | |
| 982 | |
| 983 u &= 0x1f; | |
| 984 valid = 0x7f; | |
| 985 len = 1; | |
| 986 | |
| 987 } else { | |
| 988 (*p)++; | |
| 989 return 0xffffffff; | |
| 990 } | |
| 991 | |
| 992 if (n - 1 < len) { | |
| 993 return 0xfffffffe; | |
| 994 } | |
| 995 | |
| 996 (*p)++; | |
| 997 | |
| 998 while (len) { | |
| 999 i = *(*p)++; | |
| 1000 | |
| 1001 if (i < 0x80) { | |
| 1002 return 0xffffffff; | |
| 1003 } | |
| 1004 | |
| 1005 u = (u << 6) | (i & 0x3f); | |
| 1006 | |
| 1007 len--; | |
| 1008 } | |
| 1009 | |
| 1010 if (u > valid) { | |
| 1011 return u; | |
| 1012 } | |
| 1013 | |
| 1014 return 0xffffffff; | |
| 1015 } | |
| 1016 | |
| 1017 | |
| 523 | 1018 size_t |
| 657 | 1019 ngx_utf_length(u_char *p, size_t n) |
| 523 | 1020 { |
| 1021 u_char c; | |
| 1022 size_t len; | |
| 1023 ngx_uint_t i; | |
| 1024 | |
| 657 | 1025 for (len = 0, i = 0; i < n; len++, i++) { |
| 523 | 1026 |
| 657 | 1027 c = p[i]; |
| 523 | 1028 |
| 1029 if (c < 0x80) { | |
| 1030 continue; | |
| 1031 } | |
| 1032 | |
| 527 | 1033 if (c >= 0xc0) { |
| 1034 for (c <<= 1; c & 0x80; c <<= 1) { | |
| 1035 i++; | |
| 1036 } | |
| 1037 | |
| 1038 continue; | |
| 523 | 1039 } |
| 1040 | |
| 527 | 1041 /* invalid utf */ |
| 1042 | |
| 657 | 1043 return n; |
| 523 | 1044 } |
| 1045 | |
| 1046 return len; | |
| 1047 } | |
| 1048 | |
| 1049 | |
| 527 | 1050 u_char * |
| 1051 ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n) | |
| 1052 { | |
| 1053 u_char c; | |
| 1054 | |
| 1055 if (n == 0) { | |
| 1056 return dst; | |
| 1057 } | |
| 1058 | |
| 1059 for ( /* void */ ; --n; dst++, src++) { | |
| 1060 | |
| 1061 c = *src; | |
| 1062 *dst = c; | |
| 1063 | |
| 1064 if (c < 0x80) { | |
| 1065 if (*dst != '\0') { | |
| 1066 continue; | |
| 1067 } | |
| 1068 | |
| 1069 return dst; | |
| 1070 } | |
| 1071 | |
| 1072 if (c >= 0xc0) { | |
| 1073 for (c <<= 1; c & 0x80; c <<= 1) { | |
| 1074 *++dst = *++src; | |
| 1075 } | |
| 1076 | |
| 1077 continue; | |
| 1078 } | |
| 1079 | |
| 1080 /* invalid utf */ | |
| 1081 } | |
| 1082 | |
| 1083 *dst = '\0'; | |
| 1084 | |
| 1085 return dst; | |
| 1086 } | |
| 1087 | |
| 1088 | |
| 493 | 1089 uintptr_t |
| 1090 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1091 { |
| 827 | 1092 ngx_uint_t i, n; |
| 1093 uint32_t *escape; | |
| 1094 static u_char hex[] = "0123456789abcdef"; | |
| 461 | 1095 |
| 827 | 1096 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
| 485 | 1097 |
| 827 | 1098 static uint32_t uri[] = { |
| 1099 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1100 |
| 827 | 1101 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1102 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
| 1103 | |
| 1104 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1105 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 452 | 1106 |
| 827 | 1107 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1108 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1109 |
| 827 | 1110 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1111 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1112 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1113 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1114 }; | |
| 452 | 1115 |
| 827 | 1116 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
| 485 | 1117 |
| 827 | 1118 static uint32_t args[] = { |
| 1119 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1120 | |
| 1121 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
| 1122 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
| 485 | 1123 |
| 827 | 1124 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
| 1125 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1126 |
| 827 | 1127 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1128 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 485 | 1129 |
| 827 | 1130 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1131 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1132 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1133 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1134 }; | |
| 485 | 1135 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1136 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
| 485 | 1137 |
| 827 | 1138 static uint32_t html[] = { |
| 1139 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 461 | 1140 |
| 827 | 1141 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
| 1297 | 1142 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
| 827 | 1143 |
| 1144 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
| 1145 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1146 |
| 827 | 1147 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
| 1148 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
| 461 | 1149 |
| 827 | 1150 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
| 1151 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1152 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1153 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
| 1154 }; | |
| 461 | 1155 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1156 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
| 461 | 1157 |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1158 static uint32_t refresh[] = { |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1159 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1160 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1161 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1162 0x00000085, /* 0000 0000 0000 0000 0000 0000 1000 0101 */ |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1163 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1164 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1165 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1166 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1167 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1168 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1169 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1170 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1171 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1172 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1173 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1174 }; |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1175 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1176 /* " ", "%", %00-%1F */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1177 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1178 static uint32_t memcached[] = { |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1179 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1180 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1181 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1182 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */ |
|
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1183 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1184 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1185 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1186 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1187 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1188 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1189 |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1190 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1191 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1192 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1193 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1194 }; |
|
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1195 |
|
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1196 /* mail_auth is the same as memcached */ |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1197 |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1198 static uint32_t *map[] = |
|
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1199 { uri, args, html, refresh, memcached, memcached }; |
|
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1200 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1201 |
|
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1202 escape = map[type]; |
| 461 | 1203 |
| 452 | 1204 if (dst == NULL) { |
| 1205 | |
| 1206 /* find the number of the characters to be escaped */ | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1207 |
| 452 | 1208 n = 0; |
| 1209 | |
| 1210 for (i = 0; i < size; i++) { | |
| 1211 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1212 n++; | |
| 1213 } | |
| 1214 src++; | |
| 1215 } | |
| 1216 | |
| 485 | 1217 return (uintptr_t) n; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1218 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1219 |
| 452 | 1220 for (i = 0; i < size; i++) { |
| 1221 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
| 1222 *dst++ = '%'; | |
| 1223 *dst++ = hex[*src >> 4]; | |
| 1224 *dst++ = hex[*src & 0xf]; | |
| 1225 src++; | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1226 |
| 452 | 1227 } else { |
| 1228 *dst++ = *src++; | |
| 1229 } | |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1230 } |
|
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1231 |
| 485 | 1232 return (uintptr_t) dst; |
|
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1233 } |
| 577 | 1234 |
| 1235 | |
| 1236 void | |
| 601 | 1237 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
| 577 | 1238 { |
| 1239 u_char *d, *s, ch, c, decoded; | |
| 1240 enum { | |
| 1241 sw_usual = 0, | |
| 1242 sw_quoted, | |
| 1243 sw_quoted_second | |
| 1244 } state; | |
| 1245 | |
| 1246 d = *dst; | |
| 1247 s = *src; | |
| 1248 | |
| 1249 state = 0; | |
| 1250 decoded = 0; | |
| 1251 | |
| 1252 while (size--) { | |
| 1253 | |
| 1254 ch = *s++; | |
| 1255 | |
| 1256 switch (state) { | |
| 1257 case sw_usual: | |
| 1593 | 1258 if (ch == '?' |
| 1259 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
| 1260 { | |
| 577 | 1261 *d++ = ch; |
| 1262 goto done; | |
| 1263 } | |
| 1264 | |
| 1265 if (ch == '%') { | |
| 1266 state = sw_quoted; | |
| 1267 break; | |
| 1268 } | |
| 1269 | |
| 1270 *d++ = ch; | |
| 1271 break; | |
| 1272 | |
| 1273 case sw_quoted: | |
| 1274 | |
| 1275 if (ch >= '0' && ch <= '9') { | |
| 1276 decoded = (u_char) (ch - '0'); | |
| 1277 state = sw_quoted_second; | |
| 1278 break; | |
| 1279 } | |
| 1280 | |
| 1281 c = (u_char) (ch | 0x20); | |
| 1282 if (c >= 'a' && c <= 'f') { | |
| 1283 decoded = (u_char) (c - 'a' + 10); | |
| 1284 state = sw_quoted_second; | |
| 1285 break; | |
| 1286 } | |
| 1287 | |
| 589 | 1288 /* the invalid quoted character */ |
| 577 | 1289 |
| 589 | 1290 state = sw_usual; |
| 1291 | |
| 1292 *d++ = ch; | |
| 577 | 1293 |
| 1294 break; | |
| 1295 | |
| 1296 case sw_quoted_second: | |
| 1297 | |
| 589 | 1298 state = sw_usual; |
| 1299 | |
| 577 | 1300 if (ch >= '0' && ch <= '9') { |
| 1301 ch = (u_char) ((decoded << 4) + ch - '0'); | |
| 1302 | |
| 1593 | 1303 if (type & NGX_UNESCAPE_REDIRECT) { |
| 601 | 1304 if (ch > '%' && ch < 0x7f) { |
| 1305 *d++ = ch; | |
| 1306 break; | |
| 1307 } | |
| 1308 | |
| 1309 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 1310 | |
| 577 | 1311 break; |
| 1312 } | |
| 1313 | |
| 601 | 1314 *d++ = ch; |
| 577 | 1315 |
| 1316 break; | |
| 1317 } | |
| 1318 | |
| 1319 c = (u_char) (ch | 0x20); | |
| 1320 if (c >= 'a' && c <= 'f') { | |
| 1321 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
| 1322 | |
| 1593 | 1323 if (type & NGX_UNESCAPE_URI) { |
| 1324 if (ch == '?') { | |
| 1325 *d++ = ch; | |
| 1326 goto done; | |
| 1327 } | |
| 1328 | |
| 1329 *d++ = ch; | |
| 1330 break; | |
| 1331 } | |
| 1332 | |
| 1333 if (type & NGX_UNESCAPE_REDIRECT) { | |
| 601 | 1334 if (ch == '?') { |
| 1335 *d++ = ch; | |
| 1336 goto done; | |
| 1337 } | |
| 577 | 1338 |
| 601 | 1339 if (ch > '%' && ch < 0x7f) { |
| 1340 *d++ = ch; | |
| 1341 break; | |
| 1342 } | |
| 1343 | |
| 1344 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
| 577 | 1345 break; |
| 1346 } | |
| 1347 | |
| 601 | 1348 *d++ = ch; |
| 577 | 1349 |
| 1350 break; | |
| 1351 } | |
| 1352 | |
| 589 | 1353 /* the invalid quoted character */ |
| 577 | 1354 |
| 1355 break; | |
| 1356 } | |
| 1357 } | |
| 1358 | |
| 1359 done: | |
| 1360 | |
| 1361 *dst = d; | |
| 1362 *src = s; | |
| 1363 } | |
| 583 | 1364 |
| 1365 | |
| 1544 | 1366 uintptr_t |
| 1367 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
| 1368 { | |
| 1369 u_char ch; | |
| 1370 ngx_uint_t i, len; | |
| 1371 | |
| 1372 if (dst == NULL) { | |
| 1373 | |
| 1374 len = 0; | |
| 1375 | |
| 1376 for (i = 0; i < size; i++) { | |
| 1377 switch (*src++) { | |
| 1378 | |
| 1379 case '<': | |
| 1380 len += sizeof("<") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1381 break; |
| 1544 | 1382 |
| 1383 case '>': | |
| 1384 len += sizeof(">") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1385 break; |
| 1544 | 1386 |
| 1387 case '&': | |
| 1388 len += sizeof("&") - 2; | |
|
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1389 break; |
| 1544 | 1390 |
| 1391 default: | |
| 1392 break; | |
| 1393 } | |
| 1394 } | |
| 1395 | |
| 1396 return (uintptr_t) len; | |
| 1397 } | |
| 1398 | |
| 1399 for (i = 0; i < size; i++) { | |
| 1400 ch = *src++; | |
| 1401 | |
| 1402 switch (ch) { | |
| 1403 | |
| 1404 case '<': | |
| 1405 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
| 1406 break; | |
| 1407 | |
| 1408 case '>': | |
| 1409 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
| 1410 break; | |
| 1411 | |
| 1412 case '&': | |
| 1413 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
| 1414 *dst++ = ';'; | |
| 1415 break; | |
| 1416 | |
| 1417 default: | |
| 1418 *dst++ = ch; | |
| 1419 break; | |
| 1420 } | |
| 1421 } | |
| 1422 | |
| 1423 return (uintptr_t) dst; | |
| 1424 } | |
| 1425 | |
| 1426 | |
| 1208 | 1427 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
| 1428 | |
| 1429 void | |
| 1430 ngx_sort(void *base, size_t n, size_t size, | |
| 1431 int (*cmp)(const void *, const void *)) | |
| 1432 { | |
| 1433 u_char *p1, *p2; | |
| 1434 u_char buf[256]; | |
| 1435 | |
| 1436 for (p1 = (u_char *) base + size; | |
| 1437 p1 < (u_char *) base + n * size; | |
| 1438 p1 += size) | |
| 1439 { | |
| 1440 ngx_memcpy(buf, p1, size); | |
| 1441 | |
| 1442 for (p2 = p1; | |
| 1443 p2 > (u_char *) base && cmp(p2 - size, buf) > 0; | |
| 1444 p2 -= size) | |
| 1445 { | |
| 1446 ngx_memcpy(p2, p2 - size, size); | |
| 1447 } | |
| 1448 | |
| 1449 ngx_memcpy(p2, buf, size); | |
| 1450 } | |
| 1451 } | |
| 1452 | |
| 1453 | |
| 583 | 1454 #if (NGX_MEMCPY_LIMIT) |
| 1455 | |
| 1456 void * | |
| 1457 ngx_memcpy(void *dst, void *src, size_t n) | |
| 1458 { | |
| 1459 if (n > NGX_MEMCPY_LIMIT) { | |
| 1460 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
| 1461 ngx_debug_point(); | |
| 1462 } | |
| 1463 | |
| 1464 return memcpy(dst, src, n); | |
| 1465 } | |
| 1466 | |
| 1467 #endif |