Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 3512:098100f5f54b
ngx_atofp()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 14 May 2010 09:01:30 +0000 |
parents | 76fc7ad463cb |
children | 76d252724db5 |
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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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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10 |
2293 | 11 static u_char *ngx_sprintf_num(u_char *buf, u_char *last, uint64_t ui64, |
12 u_char zero, ngx_uint_t hexadecimal, ngx_uint_t width); | |
13 | |
14 | |
2135 | 15 void |
16 ngx_strlow(u_char *dst, u_char *src, size_t n) | |
17 { | |
3275 | 18 while (n) { |
2135 | 19 *dst = ngx_tolower(*src); |
20 dst++; | |
21 src++; | |
3275 | 22 n--; |
2135 | 23 } |
24 } | |
25 | |
26 | |
493 | 27 u_char * |
28 ngx_cpystrn(u_char *dst, u_char *src, size_t n) | |
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29 { |
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30 if (n == 0) { |
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31 return dst; |
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32 } |
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33 |
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34 while (--n) { |
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35 *dst = *src; |
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36 |
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37 if (*dst == '\0') { |
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38 return dst; |
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39 } |
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40 |
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41 dst++; |
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42 src++; |
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43 } |
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45 *dst = '\0'; |
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46 |
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47 return dst; |
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48 } |
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50 |
493 | 51 u_char * |
52 ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src) | |
485 | 53 { |
54 u_char *dst; | |
55 | |
2049 | 56 dst = ngx_pnalloc(pool, src->len); |
501 | 57 if (dst == NULL) { |
485 | 58 return NULL; |
59 } | |
60 | |
61 ngx_memcpy(dst, src->data, src->len); | |
62 | |
63 return dst; | |
64 } | |
65 | |
66 | |
455 | 67 /* |
68 * supported formats: | |
473 | 69 * %[0][width][x][X]O off_t |
461 | 70 * %[0][width]T time_t |
71 * %[0][width][u][x|X]z ssize_t/size_t | |
72 * %[0][width][u][x|X]d int/u_int | |
73 * %[0][width][u][x|X]l long | |
74 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t | |
75 * %[0][width][u][x|X]D int32_t/uint32_t | |
76 * %[0][width][u][x|X]L int64_t/uint64_t | |
495 | 77 * %[0][width|m][u][x|X]A ngx_atomic_int_t/ngx_atomic_uint_t |
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78 * %[0][width][.width]f double, max valid number fits to %18.15f |
461 | 79 * %P ngx_pid_t |
557 | 80 * %M ngx_msec_t |
461 | 81 * %r rlim_t |
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82 * %p void * |
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83 * %V ngx_str_t * |
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84 * %v ngx_variable_value_t * |
461 | 85 * %s null-terminated string |
1773 | 86 * %*s length and string |
461 | 87 * %Z '\0' |
525 | 88 * %N '\n' |
461 | 89 * %c char |
90 * %% % | |
455 | 91 * |
461 | 92 * reserved: |
93 * %t ptrdiff_t | |
3046 | 94 * %S null-terminated wchar string |
461 | 95 * %C wchar |
455 | 96 */ |
97 | |
461 | 98 |
503 | 99 u_char * ngx_cdecl |
493 | 100 ngx_sprintf(u_char *buf, const char *fmt, ...) |
461 | 101 { |
102 u_char *p; | |
103 va_list args; | |
104 | |
105 va_start(args, fmt); | |
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106 p = ngx_vslprintf(buf, (void *) -1, fmt, args); |
461 | 107 va_end(args); |
108 | |
109 return p; | |
110 } | |
111 | |
112 | |
503 | 113 u_char * ngx_cdecl |
493 | 114 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
455 | 115 { |
461 | 116 u_char *p; |
117 va_list args; | |
118 | |
119 va_start(args, fmt); | |
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120 p = ngx_vslprintf(buf, buf + max, fmt, args); |
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121 va_end(args); |
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122 |
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123 return p; |
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124 } |
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125 |
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126 |
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127 u_char * ngx_cdecl |
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128 ngx_slprintf(u_char *buf, u_char *last, const char *fmt, ...) |
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129 { |
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130 u_char *p; |
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131 va_list args; |
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132 |
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133 va_start(args, fmt); |
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134 p = ngx_vslprintf(buf, last, fmt, args); |
461 | 135 va_end(args); |
136 | |
137 return p; | |
138 } | |
139 | |
455 | 140 |
493 | 141 u_char * |
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142 ngx_vslprintf(u_char *buf, u_char *last, const char *fmt, va_list args) |
461 | 143 { |
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144 u_char *p, zero; |
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145 int d; |
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146 double f, scale; |
1773 | 147 size_t len, slen; |
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148 int64_t i64; |
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149 uint64_t ui64; |
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150 ngx_msec_t ms; |
3275 | 151 ngx_uint_t width, sign, hex, max_width, frac_width, n; |
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152 ngx_str_t *v; |
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153 ngx_variable_value_t *vv; |
455 | 154 |
461 | 155 while (*fmt && buf < last) { |
156 | |
157 /* | |
158 * "buf < last" means that we could copy at least one character: | |
159 * the plain character, "%%", "%c", and minus without the checking | |
160 */ | |
161 | |
455 | 162 if (*fmt == '%') { |
163 | |
461 | 164 i64 = 0; |
165 ui64 = 0; | |
166 | |
167 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
455 | 168 width = 0; |
169 sign = 1; | |
2293 | 170 hex = 0; |
493 | 171 max_width = 0; |
2293 | 172 frac_width = 0; |
1863 | 173 slen = (size_t) -1; |
455 | 174 |
175 while (*fmt >= '0' && *fmt <= '9') { | |
176 width = width * 10 + *fmt++ - '0'; | |
177 } | |
178 | |
179 | |
180 for ( ;; ) { | |
181 switch (*fmt) { | |
182 | |
183 case 'u': | |
184 sign = 0; | |
185 fmt++; | |
186 continue; | |
187 | |
467 | 188 case 'm': |
493 | 189 max_width = 1; |
467 | 190 fmt++; |
191 continue; | |
192 | |
461 | 193 case 'X': |
2293 | 194 hex = 2; |
461 | 195 sign = 0; |
196 fmt++; | |
197 continue; | |
198 | |
455 | 199 case 'x': |
2293 | 200 hex = 1; |
461 | 201 sign = 0; |
455 | 202 fmt++; |
203 continue; | |
204 | |
2293 | 205 case '.': |
206 fmt++; | |
207 | |
208 while (*fmt >= '0' && *fmt <= '9') { | |
209 frac_width = frac_width * 10 + *fmt++ - '0'; | |
210 } | |
211 | |
212 break; | |
213 | |
1773 | 214 case '*': |
1866 | 215 slen = va_arg(args, size_t); |
1773 | 216 fmt++; |
217 continue; | |
218 | |
455 | 219 default: |
220 break; | |
221 } | |
222 | |
223 break; | |
224 } | |
225 | |
226 | |
227 switch (*fmt) { | |
228 | |
461 | 229 case 'V': |
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230 v = va_arg(args, ngx_str_t *); |
455 | 231 |
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232 len = v->len; |
573 | 233 len = (buf + len < last) ? len : (size_t) (last - buf); |
234 | |
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235 buf = ngx_cpymem(buf, v->data, len); |
461 | 236 fmt++; |
455 | 237 |
461 | 238 continue; |
455 | 239 |
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240 case 'v': |
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241 vv = va_arg(args, ngx_variable_value_t *); |
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242 |
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243 len = vv->len; |
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244 len = (buf + len < last) ? len : (size_t) (last - buf); |
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245 |
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246 buf = ngx_cpymem(buf, vv->data, len); |
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247 fmt++; |
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248 |
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249 continue; |
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250 |
455 | 251 case 's': |
461 | 252 p = va_arg(args, u_char *); |
455 | 253 |
1863 | 254 if (slen == (size_t) -1) { |
1773 | 255 while (*p && buf < last) { |
256 *buf++ = *p++; | |
257 } | |
258 | |
259 } else { | |
1867 | 260 len = (buf + slen < last) ? slen : (size_t) (last - buf); |
261 | |
262 buf = ngx_cpymem(buf, p, len); | |
455 | 263 } |
1773 | 264 |
455 | 265 fmt++; |
266 | |
267 continue; | |
268 | |
461 | 269 case 'O': |
270 i64 = (int64_t) va_arg(args, off_t); | |
271 sign = 1; | |
272 break; | |
273 | |
274 case 'P': | |
275 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
276 sign = 1; | |
277 break; | |
278 | |
279 case 'T': | |
280 i64 = (int64_t) va_arg(args, time_t); | |
281 sign = 1; | |
282 break; | |
283 | |
557 | 284 case 'M': |
561 | 285 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
286 if ((ngx_msec_int_t) ms == -1) { | |
287 sign = 1; | |
288 i64 = -1; | |
289 } else { | |
290 sign = 0; | |
291 ui64 = (uint64_t) ms; | |
292 } | |
557 | 293 break; |
294 | |
461 | 295 case 'z': |
296 if (sign) { | |
297 i64 = (int64_t) va_arg(args, ssize_t); | |
298 } else { | |
299 ui64 = (uint64_t) va_arg(args, size_t); | |
300 } | |
301 break; | |
302 | |
303 case 'i': | |
304 if (sign) { | |
305 i64 = (int64_t) va_arg(args, ngx_int_t); | |
306 } else { | |
307 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
308 } | |
493 | 309 |
310 if (max_width) { | |
311 width = NGX_INT_T_LEN; | |
312 } | |
313 | |
461 | 314 break; |
315 | |
316 case 'd': | |
317 if (sign) { | |
318 i64 = (int64_t) va_arg(args, int); | |
319 } else { | |
320 ui64 = (uint64_t) va_arg(args, u_int); | |
321 } | |
322 break; | |
323 | |
324 case 'l': | |
325 if (sign) { | |
326 i64 = (int64_t) va_arg(args, long); | |
327 } else { | |
328 ui64 = (uint64_t) va_arg(args, u_long); | |
329 } | |
330 break; | |
331 | |
332 case 'D': | |
333 if (sign) { | |
334 i64 = (int64_t) va_arg(args, int32_t); | |
335 } else { | |
336 ui64 = (uint64_t) va_arg(args, uint32_t); | |
337 } | |
338 break; | |
339 | |
340 case 'L': | |
341 if (sign) { | |
342 i64 = va_arg(args, int64_t); | |
343 } else { | |
344 ui64 = va_arg(args, uint64_t); | |
345 } | |
346 break; | |
347 | |
493 | 348 case 'A': |
349 if (sign) { | |
350 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
351 } else { | |
495 | 352 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
493 | 353 } |
354 | |
355 if (max_width) { | |
356 width = NGX_ATOMIC_T_LEN; | |
357 } | |
358 | |
359 break; | |
360 | |
2293 | 361 case 'f': |
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362 f = va_arg(args, double); |
2293 | 363 |
364 if (f < 0) { | |
365 *buf++ = '-'; | |
366 f = -f; | |
367 } | |
368 | |
369 ui64 = (int64_t) f; | |
370 | |
371 buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width); | |
372 | |
373 if (frac_width) { | |
374 | |
375 if (buf < last) { | |
376 *buf++ = '.'; | |
377 } | |
378 | |
379 scale = 1.0; | |
380 | |
3275 | 381 for (n = frac_width; n; n--) { |
2293 | 382 scale *= 10.0; |
383 } | |
384 | |
385 /* | |
386 * (int64_t) cast is required for msvc6: | |
387 * it can not convert uint64_t to double | |
388 */ | |
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389 ui64 = (uint64_t) ((f - (int64_t) ui64) * scale + 0.5); |
2293 | 390 |
391 buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width); | |
392 } | |
393 | |
394 fmt++; | |
395 | |
396 continue; | |
397 | |
461 | 398 #if !(NGX_WIN32) |
399 case 'r': | |
400 i64 = (int64_t) va_arg(args, rlim_t); | |
401 sign = 1; | |
402 break; | |
403 #endif | |
404 | |
405 case 'p': | |
406 ui64 = (uintptr_t) va_arg(args, void *); | |
2293 | 407 hex = 2; |
461 | 408 sign = 0; |
409 zero = '0'; | |
613 | 410 width = NGX_PTR_SIZE * 2; |
461 | 411 break; |
412 | |
457 | 413 case 'c': |
461 | 414 d = va_arg(args, int); |
457 | 415 *buf++ = (u_char) (d & 0xff); |
416 fmt++; | |
417 | |
418 continue; | |
419 | |
461 | 420 case 'Z': |
421 *buf++ = '\0'; | |
422 fmt++; | |
423 | |
424 continue; | |
425 | |
525 | 426 case 'N': |
427 #if (NGX_WIN32) | |
428 *buf++ = CR; | |
429 #endif | |
430 *buf++ = LF; | |
431 fmt++; | |
432 | |
433 continue; | |
434 | |
455 | 435 case '%': |
436 *buf++ = '%'; | |
437 fmt++; | |
438 | |
439 continue; | |
440 | |
441 default: | |
442 *buf++ = *fmt++; | |
443 | |
444 continue; | |
445 } | |
446 | |
461 | 447 if (sign) { |
448 if (i64 < 0) { | |
449 *buf++ = '-'; | |
450 ui64 = (uint64_t) -i64; | |
451 | |
452 } else { | |
453 ui64 = (uint64_t) i64; | |
454 } | |
455 } | |
456 | |
2293 | 457 buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width); |
455 | 458 |
459 fmt++; | |
460 | |
461 } else { | |
462 *buf++ = *fmt++; | |
463 } | |
464 } | |
465 | |
466 return buf; | |
467 } | |
468 | |
469 | |
2293 | 470 static u_char * |
471 ngx_sprintf_num(u_char *buf, u_char *last, uint64_t ui64, u_char zero, | |
472 ngx_uint_t hexadecimal, ngx_uint_t width) | |
473 { | |
474 u_char *p, temp[NGX_INT64_LEN + 1]; | |
475 /* | |
476 * we need temp[NGX_INT64_LEN] only, | |
477 * but icc issues the warning | |
478 */ | |
479 size_t len; | |
480 uint32_t ui32; | |
481 static u_char hex[] = "0123456789abcdef"; | |
482 static u_char HEX[] = "0123456789ABCDEF"; | |
483 | |
484 p = temp + NGX_INT64_LEN; | |
485 | |
486 if (hexadecimal == 0) { | |
487 | |
488 if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
489 | |
490 /* | |
491 * To divide 64-bit numbers and to find remainders | |
492 * on the x86 platform gcc and icc call the libc functions | |
493 * [u]divdi3() and [u]moddi3(), they call another function | |
494 * in its turn. On FreeBSD it is the qdivrem() function, | |
495 * its source code is about 170 lines of the code. | |
496 * The glibc counterpart is about 150 lines of the code. | |
497 * | |
498 * For 32-bit numbers and some divisors gcc and icc use | |
499 * a inlined multiplication and shifts. For example, | |
500 * unsigned "i32 / 10" is compiled to | |
501 * | |
502 * (i32 * 0xCCCCCCCD) >> 35 | |
503 */ | |
504 | |
505 ui32 = (uint32_t) ui64; | |
506 | |
507 do { | |
508 *--p = (u_char) (ui32 % 10 + '0'); | |
509 } while (ui32 /= 10); | |
510 | |
511 } else { | |
512 do { | |
513 *--p = (u_char) (ui64 % 10 + '0'); | |
514 } while (ui64 /= 10); | |
515 } | |
516 | |
517 } else if (hexadecimal == 1) { | |
518 | |
519 do { | |
520 | |
521 /* the "(uint32_t)" cast disables the BCC's warning */ | |
522 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
523 | |
524 } while (ui64 >>= 4); | |
525 | |
526 } else { /* hexadecimal == 2 */ | |
527 | |
528 do { | |
529 | |
530 /* the "(uint32_t)" cast disables the BCC's warning */ | |
531 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
532 | |
533 } while (ui64 >>= 4); | |
534 } | |
535 | |
536 /* zero or space padding */ | |
537 | |
538 len = (temp + NGX_INT64_LEN) - p; | |
539 | |
540 while (len++ < width && buf < last) { | |
541 *buf++ = zero; | |
542 } | |
543 | |
544 /* number safe copy */ | |
545 | |
546 len = (temp + NGX_INT64_LEN) - p; | |
547 | |
548 if (buf + len > last) { | |
549 len = last - buf; | |
550 } | |
551 | |
552 return ngx_cpymem(buf, p, len); | |
553 } | |
554 | |
555 | |
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556 /* |
1541 | 557 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII strings only, |
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558 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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559 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
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560 * instead of the u_char's, because they are slightly faster. |
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561 */ |
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562 |
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563 ngx_int_t |
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564 ngx_strcasecmp(u_char *s1, u_char *s2) |
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565 { |
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566 ngx_uint_t c1, c2; |
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567 |
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568 for ( ;; ) { |
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569 c1 = (ngx_uint_t) *s1++; |
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570 c2 = (ngx_uint_t) *s2++; |
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571 |
3115 | 572 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
573 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
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574 |
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575 if (c1 == c2) { |
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576 |
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577 if (c1) { |
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578 continue; |
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579 } |
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580 |
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581 return 0; |
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582 } |
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583 |
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584 return c1 - c2; |
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585 } |
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586 } |
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587 |
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588 |
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589 ngx_int_t |
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590 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
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591 { |
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592 ngx_uint_t c1, c2; |
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593 |
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594 while (n) { |
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595 c1 = (ngx_uint_t) *s1++; |
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596 c2 = (ngx_uint_t) *s2++; |
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597 |
3115 | 598 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
599 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
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600 |
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601 if (c1 == c2) { |
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|
602 |
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603 if (c1) { |
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604 n--; |
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605 continue; |
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606 } |
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607 |
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608 return 0; |
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609 } |
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610 |
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611 return c1 - c2; |
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612 } |
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613 |
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614 return 0; |
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615 } |
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616 |
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617 |
1552 | 618 u_char * |
619 ngx_strnstr(u_char *s1, char *s2, size_t len) | |
620 { | |
621 u_char c1, c2; | |
622 size_t n; | |
623 | |
624 c2 = *(u_char *) s2++; | |
625 | |
626 n = ngx_strlen(s2); | |
627 | |
628 do { | |
629 do { | |
630 if (len-- == 0) { | |
631 return NULL; | |
632 } | |
633 | |
634 c1 = *s1++; | |
635 | |
636 if (c1 == 0) { | |
637 return NULL; | |
638 } | |
639 | |
640 } while (c1 != c2); | |
641 | |
642 if (n > len) { | |
643 return NULL; | |
644 } | |
645 | |
646 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); | |
647 | |
648 return --s1; | |
649 } | |
650 | |
651 | |
1550 | 652 /* |
653 * ngx_strstrn() and ngx_strcasestrn() are intended to search for static | |
654 * substring with known length in null-terminated string. The argument n | |
655 * must be length of the second substring - 1. | |
656 */ | |
657 | |
1542
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658 u_char * |
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659 ngx_strstrn(u_char *s1, char *s2, size_t n) |
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660 { |
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661 u_char c1, c2; |
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662 |
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663 c2 = *(u_char *) s2++; |
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664 |
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Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
665 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
666 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
667 c1 = *s1++; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
668 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
669 if (c1 == 0) { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
670 return NULL; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
671 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
672 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
673 } while (c1 != c2); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
674 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
675 } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
676 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
677 return --s1; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
678 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
679 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
680 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
681 u_char * |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
682 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
|
683 { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
684 ngx_uint_t c1, c2; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
685 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
686 c2 = (ngx_uint_t) *s2++; |
3115 | 687 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
1542
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
688 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
689 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
690 do { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
691 c1 = (ngx_uint_t) *s1++; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
692 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
693 if (c1 == 0) { |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
694 return NULL; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
695 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
696 |
3115 | 697 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
1542
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
698 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
699 } while (c1 != c2); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
700 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
701 } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
702 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
703 return --s1; |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
704 } |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
705 |
f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
Igor Sysoev <igor@sysoev.ru>
parents:
1541
diff
changeset
|
706 |
2668 | 707 /* |
708 * ngx_strlcasestrn() is intended to search for static substring | |
709 * with known length in string until the argument last. The argument n | |
710 * must be length of the second substring - 1. | |
711 */ | |
712 | |
713 u_char * | |
714 ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n) | |
715 { | |
716 ngx_uint_t c1, c2; | |
717 | |
718 c2 = (ngx_uint_t) *s2++; | |
3115 | 719 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
2668 | 720 last -= n; |
721 | |
722 do { | |
723 do { | |
2680
82e3946062be
backout r2677 and fix ngx_strlcasestrn() again
Igor Sysoev <igor@sysoev.ru>
parents:
2676
diff
changeset
|
724 if (s1 >= last) { |
2668 | 725 return NULL; |
726 } | |
727 | |
728 c1 = (ngx_uint_t) *s1++; | |
729 | |
3115 | 730 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
2668 | 731 |
732 } while (c1 != c2); | |
733 | |
734 } while (ngx_strncasecmp(s1, s2, n) != 0); | |
735 | |
736 return --s1; | |
737 } | |
738 | |
739 | |
493 | 740 ngx_int_t |
741 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
|
742 { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
743 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
744 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
745 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
746 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
747 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
748 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
749 for ( ;; ) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
750 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
|
751 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
|
752 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
753 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
754 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
755 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
756 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
757 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
758 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
759 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
760 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
761 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
762 |
493 | 763 ngx_int_t |
764 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
455 | 765 { |
766 u_char c1, c2; | |
767 | |
768 if (n == 0) { | |
769 return 0; | |
770 } | |
771 | |
772 n--; | |
773 | |
774 for ( ;; ) { | |
775 c1 = s1[n]; | |
776 if (c1 >= 'a' && c1 <= 'z') { | |
777 c1 -= 'a' - 'A'; | |
778 } | |
779 | |
780 c2 = s2[n]; | |
781 if (c2 >= 'a' && c2 <= 'z') { | |
782 c2 -= 'a' - 'A'; | |
783 } | |
784 | |
785 if (c1 != c2) { | |
786 return c1 - c2; | |
787 } | |
788 | |
789 if (n == 0) { | |
790 return 0; | |
791 } | |
792 | |
793 n--; | |
794 } | |
795 } | |
796 | |
797 | |
493 | 798 ngx_int_t |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
799 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
1024 | 800 { |
801 size_t n; | |
802 ngx_int_t m, z; | |
803 | |
804 if (n1 <= n2) { | |
805 n = n1; | |
806 z = -1; | |
807 | |
808 } else { | |
809 n = n2; | |
810 z = 1; | |
811 } | |
812 | |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
813 m = ngx_memcmp(s1, s2, n); |
1024 | 814 |
815 if (m || n1 == n2) { | |
816 return m; | |
817 } | |
818 | |
819 return z; | |
820 } | |
821 | |
822 | |
823 ngx_int_t | |
3116
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
824 ngx_dns_strcmp(u_char *s1, u_char *s2) |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
825 { |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
826 ngx_uint_t c1, c2; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
827 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
828 for ( ;; ) { |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
829 c1 = (ngx_uint_t) *s1++; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
830 c2 = (ngx_uint_t) *s2++; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
831 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
832 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
833 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
834 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
835 if (c1 == c2) { |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
836 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
837 if (c1) { |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
838 continue; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
839 } |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
840 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
841 return 0; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
842 } |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
843 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
844 /* in ASCII '.' > '-', but we need '.' to be the lowest character */ |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
845 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
846 c1 = (c1 == '.') ? ' ' : c1; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
847 c2 = (c2 == '.') ? ' ' : c2; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
848 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
849 return c1 - c2; |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
850 } |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
851 } |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
852 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
853 |
98e288c6dac3
If .domain.com, .sub.domain.com, and .domain-some.com were defined,
Igor Sysoev <igor@sysoev.ru>
parents:
3115
diff
changeset
|
854 ngx_int_t |
493 | 855 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
|
856 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
857 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
|
858 |
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
859 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
860 return NGX_ERROR; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
861 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
862 |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
863 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
|
864 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
|
865 return NGX_ERROR; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
866 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
867 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
868 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
|
869 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
870 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
871 if (value < 0) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
872 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
|
873 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
874 } else { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
875 return value; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
876 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
877 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
878 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
879 |
3512 | 880 /* parse a fixed point number, e.g., ngx_atofp("10.5", 4, 2) returns 1050 */ |
881 | |
882 ngx_int_t | |
883 ngx_atofp(u_char *line, size_t n, size_t point) | |
884 { | |
885 ngx_int_t value; | |
886 ngx_uint_t dot; | |
887 | |
888 if (n == 0) { | |
889 return NGX_ERROR; | |
890 } | |
891 | |
892 dot = 0; | |
893 | |
894 for (value = 0; n--; line++) { | |
895 | |
896 if (point == 0) { | |
897 return NGX_ERROR; | |
898 } | |
899 | |
900 if (*line == '.') { | |
901 if (dot) { | |
902 return NGX_ERROR; | |
903 } | |
904 | |
905 dot = 1; | |
906 continue; | |
907 } | |
908 | |
909 if (*line < '0' || *line > '9') { | |
910 return NGX_ERROR; | |
911 } | |
912 | |
913 value = value * 10 + (*line - '0'); | |
914 point -= dot; | |
915 } | |
916 | |
917 while (point--) { | |
918 value = value * 10; | |
919 } | |
920 | |
921 if (value < 0) { | |
922 return NGX_ERROR; | |
923 | |
924 } else { | |
925 return value; | |
926 } | |
927 } | |
928 | |
929 | |
501 | 930 ssize_t |
931 ngx_atosz(u_char *line, size_t n) | |
932 { | |
933 ssize_t value; | |
934 | |
935 if (n == 0) { | |
936 return NGX_ERROR; | |
937 } | |
938 | |
939 for (value = 0; n--; line++) { | |
940 if (*line < '0' || *line > '9') { | |
941 return NGX_ERROR; | |
942 } | |
943 | |
944 value = value * 10 + (*line - '0'); | |
945 } | |
946 | |
947 if (value < 0) { | |
948 return NGX_ERROR; | |
949 | |
950 } else { | |
951 return value; | |
952 } | |
953 } | |
954 | |
955 | |
956 off_t | |
957 ngx_atoof(u_char *line, size_t n) | |
958 { | |
959 off_t value; | |
960 | |
961 if (n == 0) { | |
962 return NGX_ERROR; | |
963 } | |
964 | |
965 for (value = 0; n--; line++) { | |
966 if (*line < '0' || *line > '9') { | |
967 return NGX_ERROR; | |
968 } | |
969 | |
970 value = value * 10 + (*line - '0'); | |
971 } | |
972 | |
973 if (value < 0) { | |
974 return NGX_ERROR; | |
975 | |
976 } else { | |
977 return value; | |
978 } | |
979 } | |
980 | |
981 | |
982 time_t | |
983 ngx_atotm(u_char *line, size_t n) | |
984 { | |
985 time_t value; | |
986 | |
987 if (n == 0) { | |
988 return NGX_ERROR; | |
989 } | |
990 | |
991 for (value = 0; n--; line++) { | |
992 if (*line < '0' || *line > '9') { | |
993 return NGX_ERROR; | |
994 } | |
995 | |
996 value = value * 10 + (*line - '0'); | |
997 } | |
998 | |
999 if (value < 0) { | |
1000 return NGX_ERROR; | |
1001 | |
1002 } else { | |
1003 return value; | |
1004 } | |
1005 } | |
1006 | |
1007 | |
493 | 1008 ngx_int_t |
1009 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
|
1010 { |
783 | 1011 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
|
1012 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
|
1013 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1014 if (n == 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1015 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1016 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1017 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1018 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
|
1019 ch = *line; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1020 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1021 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
|
1022 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
|
1023 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1024 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1025 |
783 | 1026 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
|
1027 |
783 | 1028 if (c >= 'a' && c <= 'f') { |
1029 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
|
1030 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1031 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1032 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1033 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1034 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1035 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1036 if (value < 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1037 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
1038 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
1039 } else { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
1040 return value; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
1041 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1042 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1043 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1044 |
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1045 u_char * |
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1046 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
|
1047 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
1048 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
|
1049 |
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1050 while (len--) { |
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1051 *dst++ = hex[*src >> 4]; |
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1052 *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
|
1053 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
1054 |
1745
ec63069aeb78
replace ngx_md5_text() with ngx_hex_dump()
Igor Sysoev <igor@sysoev.ru>
parents:
1629
diff
changeset
|
1055 return dst; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1056 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1057 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
1058 |
493 | 1059 void |
1060 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
|
1061 { |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1062 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
|
1063 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
|
1064 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
|
1065 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1066 |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
1067 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
|
1068 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
|
1069 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
|
1070 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1071 while (len > 2) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1072 *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
|
1073 *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
|
1074 *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
|
1075 *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
|
1076 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1077 s += 3; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1078 len -= 3; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1079 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1080 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1081 if (len) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1082 *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
|
1083 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1084 if (len == 1) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1085 *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
|
1086 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1087 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1088 } else { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1089 *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
|
1090 *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
|
1091 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1092 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1093 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1094 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1095 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1096 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
|
1097 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1098 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1099 |
493 | 1100 ngx_int_t |
1101 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
|
1102 { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1103 size_t len; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1104 u_char *d, *s; |
827 | 1105 static u_char basis64[] = { |
1106 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1107 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1108 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
1109 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
1110 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
1111 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
1112 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1113 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
|
1114 |
827 | 1115 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
1116 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1117 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1118 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1119 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1120 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1121 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
1122 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
1123 }; | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1124 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1125 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
|
1126 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
|
1127 break; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1128 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1129 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1130 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
|
1131 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1132 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1133 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1134 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1135 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
|
1136 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1137 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1138 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1139 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
|
1140 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
|
1141 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1142 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
|
1143 *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
|
1144 *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
|
1145 *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
|
1146 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1147 s += 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1148 len -= 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1149 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1150 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1151 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
|
1152 *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
|
1153 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1154 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1155 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
|
1156 *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
|
1157 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1158 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
1159 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
|
1160 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1161 return NGX_OK; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1162 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1163 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1164 |
657 | 1165 /* |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1166 * ngx_utf8_decode() decodes two and more bytes UTF sequences only |
657 | 1167 * the return values: |
1168 * 0x80 - 0x10ffff valid character | |
2120 | 1169 * 0x110000 - 0xfffffffd invalid sequence |
657 | 1170 * 0xfffffffe incomplete sequence |
1171 * 0xffffffff error | |
1172 */ | |
1173 | |
1174 uint32_t | |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1175 ngx_utf8_decode(u_char **p, size_t n) |
657 | 1176 { |
1177 size_t len; | |
1178 uint32_t u, i, valid; | |
1179 | |
1180 u = **p; | |
1181 | |
1182 if (u > 0xf0) { | |
1183 | |
1184 u &= 0x07; | |
1185 valid = 0xffff; | |
1186 len = 3; | |
1187 | |
1188 } else if (u > 0xe0) { | |
1189 | |
1190 u &= 0x0f; | |
1191 valid = 0x7ff; | |
1192 len = 2; | |
1193 | |
1194 } else if (u > 0xc0) { | |
1195 | |
1196 u &= 0x1f; | |
1197 valid = 0x7f; | |
1198 len = 1; | |
1199 | |
1200 } else { | |
1201 (*p)++; | |
1202 return 0xffffffff; | |
1203 } | |
1204 | |
1205 if (n - 1 < len) { | |
1206 return 0xfffffffe; | |
1207 } | |
1208 | |
1209 (*p)++; | |
1210 | |
1211 while (len) { | |
1212 i = *(*p)++; | |
1213 | |
1214 if (i < 0x80) { | |
1215 return 0xffffffff; | |
1216 } | |
1217 | |
1218 u = (u << 6) | (i & 0x3f); | |
1219 | |
1220 len--; | |
1221 } | |
1222 | |
1223 if (u > valid) { | |
1224 return u; | |
1225 } | |
1226 | |
1227 return 0xffffffff; | |
1228 } | |
1229 | |
1230 | |
523 | 1231 size_t |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1232 ngx_utf8_length(u_char *p, size_t n) |
523 | 1233 { |
2120 | 1234 u_char c, *last; |
1235 size_t len; | |
523 | 1236 |
2120 | 1237 last = p + n; |
523 | 1238 |
2120 | 1239 for (len = 0; p < last; len++) { |
1240 | |
1241 c = *p; | |
523 | 1242 |
1243 if (c < 0x80) { | |
2120 | 1244 p++; |
523 | 1245 continue; |
1246 } | |
1247 | |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1248 if (ngx_utf8_decode(&p, n) > 0x10ffff) { |
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1249 /* invalid UTF-8 */ |
2120 | 1250 return n; |
523 | 1251 } |
1252 } | |
1253 | |
1254 return len; | |
1255 } | |
1256 | |
1257 | |
527 | 1258 u_char * |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1259 ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len) |
527 | 1260 { |
2120 | 1261 u_char c, *next; |
527 | 1262 |
1263 if (n == 0) { | |
1264 return dst; | |
1265 } | |
1266 | |
2120 | 1267 while (--n) { |
527 | 1268 |
1269 c = *src; | |
1270 *dst = c; | |
1271 | |
1272 if (c < 0x80) { | |
2120 | 1273 |
1274 if (c != '\0') { | |
1275 dst++; | |
1276 src++; | |
1277 len--; | |
1278 | |
527 | 1279 continue; |
1280 } | |
1281 | |
1282 return dst; | |
1283 } | |
1284 | |
2120 | 1285 next = src; |
527 | 1286 |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1287 if (ngx_utf8_decode(&next, len) > 0x10ffff) { |
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2120
diff
changeset
|
1288 /* invalid UTF-8 */ |
2120 | 1289 break; |
527 | 1290 } |
1291 | |
2120 | 1292 while (src < next) { |
3410
bfcc9be4f1c9
fix ngx_utf8_cpystrn(): it did not fully copy utf-8 string
Igor Sysoev <igor@sysoev.ru>
parents:
3275
diff
changeset
|
1293 *dst++ = *src++; |
2120 | 1294 len--; |
1295 } | |
527 | 1296 } |
1297 | |
1298 *dst = '\0'; | |
1299 | |
1300 return dst; | |
1301 } | |
1302 | |
1303 | |
493 | 1304 uintptr_t |
1305 ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type) | |
69
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Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1306 { |
3275 | 1307 ngx_uint_t n; |
827 | 1308 uint32_t *escape; |
1309 static u_char hex[] = "0123456789abcdef"; | |
461 | 1310 |
827 | 1311 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
485 | 1312 |
827 | 1313 static uint32_t uri[] = { |
1314 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
69
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nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1315 |
827 | 1316 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1317 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
1318 | |
1319 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1320 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
452 | 1321 |
827 | 1322 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1323 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
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Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1324 |
827 | 1325 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1326 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1327 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1328 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1329 }; | |
452 | 1330 |
3486
5d28d30ba1b1
escape ampersand in argument while rewrite
Igor Sysoev <igor@sysoev.ru>
parents:
3410
diff
changeset
|
1331 /* " ", "#", "%", "&", "+", "?", %00-%1F, %7F-%FF */ |
485 | 1332 |
827 | 1333 static uint32_t args[] = { |
1334 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1335 | |
1336 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
3486
5d28d30ba1b1
escape ampersand in argument while rewrite
Igor Sysoev <igor@sysoev.ru>
parents:
3410
diff
changeset
|
1337 0x80000869, /* 1000 0000 0000 0000 0000 1000 0110 1001 */ |
485 | 1338 |
827 | 1339 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
1340 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1341 |
827 | 1342 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1343 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1344 |
827 | 1345 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1346 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1347 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1348 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1349 }; | |
485 | 1350 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1351 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
485 | 1352 |
827 | 1353 static uint32_t html[] = { |
1354 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
461 | 1355 |
827 | 1356 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1297 | 1357 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
827 | 1358 |
1359 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1360 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1361 |
827 | 1362 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1363 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1364 |
827 | 1365 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1366 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1367 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1368 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1369 }; | |
461 | 1370 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1371 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
461 | 1372 |
1298
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1373 static uint32_t refresh[] = { |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1374 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
|
1375 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1376 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1629
12a656452ad1
do not encode already encoded characters in msie_refresh
Igor Sysoev <igor@sysoev.ru>
parents:
1593
diff
changeset
|
1377 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
|
1378 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1379 /* _^]\ [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
|
1380 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
|
1381 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1382 /* ~}| {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
|
1383 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
|
1384 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1385 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
|
1386 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
|
1387 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
|
1388 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
|
1389 }; |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1390 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1391 /* " ", "%", %00-%1F */ |
1333
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1392 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1393 static uint32_t memcached[] = { |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1394 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
|
1395 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1396 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1397 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
|
1398 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1399 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1400 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
|
1401 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1402 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1403 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
|
1404 |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1405 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
|
1406 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
|
1407 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
|
1408 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
|
1409 }; |
07ebeeb55700
escape space, etc in $memcached_key
Igor Sysoev <igor@sysoev.ru>
parents:
1310
diff
changeset
|
1410 |
1405
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1411 /* 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
|
1412 |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1413 static uint32_t *map[] = |
fdd064faf26a
escape " ", "%", and %00-%1F in login and password
Igor Sysoev <igor@sysoev.ru>
parents:
1333
diff
changeset
|
1414 { 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
|
1415 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1416 |
458e041fc902
msie_refresh should escape at least '"' to prevent XSS
Igor Sysoev <igor@sysoev.ru>
parents:
1297
diff
changeset
|
1417 escape = map[type]; |
461 | 1418 |
452 | 1419 if (dst == NULL) { |
1420 | |
1421 /* find the number of the characters to be escaped */ | |
69
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0
diff
changeset
|
1422 |
3115 | 1423 n = 0; |
452 | 1424 |
3275 | 1425 while (size) { |
452 | 1426 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
1427 n++; | |
1428 } | |
1429 src++; | |
3275 | 1430 size--; |
452 | 1431 } |
1432 | |
485 | 1433 return (uintptr_t) n; |
69
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0
diff
changeset
|
1434 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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0
diff
changeset
|
1435 |
3275 | 1436 while (size) { |
452 | 1437 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
1438 *dst++ = '%'; | |
1439 *dst++ = hex[*src >> 4]; | |
1440 *dst++ = hex[*src & 0xf]; | |
1441 src++; | |
69
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0
diff
changeset
|
1442 |
452 | 1443 } else { |
1444 *dst++ = *src++; | |
1445 } | |
3275 | 1446 size--; |
69
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0
diff
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|
1447 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1448 |
485 | 1449 return (uintptr_t) dst; |
69
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parents:
0
diff
changeset
|
1450 } |
577 | 1451 |
1452 | |
1453 void | |
601 | 1454 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
577 | 1455 { |
1456 u_char *d, *s, ch, c, decoded; | |
1457 enum { | |
1458 sw_usual = 0, | |
1459 sw_quoted, | |
1460 sw_quoted_second | |
1461 } state; | |
1462 | |
1463 d = *dst; | |
1464 s = *src; | |
1465 | |
1466 state = 0; | |
1467 decoded = 0; | |
1468 | |
1469 while (size--) { | |
1470 | |
1471 ch = *s++; | |
1472 | |
1473 switch (state) { | |
1474 case sw_usual: | |
1593 | 1475 if (ch == '?' |
1476 && (type & (NGX_UNESCAPE_URI|NGX_UNESCAPE_REDIRECT))) | |
1477 { | |
577 | 1478 *d++ = ch; |
1479 goto done; | |
1480 } | |
1481 | |
1482 if (ch == '%') { | |
1483 state = sw_quoted; | |
1484 break; | |
1485 } | |
1486 | |
1487 *d++ = ch; | |
1488 break; | |
1489 | |
1490 case sw_quoted: | |
1491 | |
1492 if (ch >= '0' && ch <= '9') { | |
1493 decoded = (u_char) (ch - '0'); | |
1494 state = sw_quoted_second; | |
1495 break; | |
1496 } | |
1497 | |
1498 c = (u_char) (ch | 0x20); | |
1499 if (c >= 'a' && c <= 'f') { | |
1500 decoded = (u_char) (c - 'a' + 10); | |
1501 state = sw_quoted_second; | |
1502 break; | |
1503 } | |
1504 | |
589 | 1505 /* the invalid quoted character */ |
577 | 1506 |
589 | 1507 state = sw_usual; |
1508 | |
1509 *d++ = ch; | |
577 | 1510 |
1511 break; | |
1512 | |
1513 case sw_quoted_second: | |
1514 | |
589 | 1515 state = sw_usual; |
1516 | |
577 | 1517 if (ch >= '0' && ch <= '9') { |
1518 ch = (u_char) ((decoded << 4) + ch - '0'); | |
1519 | |
1593 | 1520 if (type & NGX_UNESCAPE_REDIRECT) { |
601 | 1521 if (ch > '%' && ch < 0x7f) { |
1522 *d++ = ch; | |
1523 break; | |
1524 } | |
1525 | |
1526 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
1527 | |
577 | 1528 break; |
1529 } | |
1530 | |
601 | 1531 *d++ = ch; |
577 | 1532 |
1533 break; | |
1534 } | |
1535 | |
1536 c = (u_char) (ch | 0x20); | |
1537 if (c >= 'a' && c <= 'f') { | |
1538 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
1539 | |
1593 | 1540 if (type & NGX_UNESCAPE_URI) { |
1541 if (ch == '?') { | |
1542 *d++ = ch; | |
1543 goto done; | |
1544 } | |
1545 | |
1546 *d++ = ch; | |
1547 break; | |
1548 } | |
1549 | |
1550 if (type & NGX_UNESCAPE_REDIRECT) { | |
601 | 1551 if (ch == '?') { |
1552 *d++ = ch; | |
1553 goto done; | |
1554 } | |
577 | 1555 |
601 | 1556 if (ch > '%' && ch < 0x7f) { |
1557 *d++ = ch; | |
1558 break; | |
1559 } | |
1560 | |
1561 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
577 | 1562 break; |
1563 } | |
1564 | |
601 | 1565 *d++ = ch; |
577 | 1566 |
1567 break; | |
1568 } | |
1569 | |
589 | 1570 /* the invalid quoted character */ |
577 | 1571 |
1572 break; | |
1573 } | |
1574 } | |
1575 | |
1576 done: | |
1577 | |
1578 *dst = d; | |
1579 *src = s; | |
1580 } | |
583 | 1581 |
1582 | |
1544 | 1583 uintptr_t |
1584 ngx_escape_html(u_char *dst, u_char *src, size_t size) | |
1585 { | |
1586 u_char ch; | |
3275 | 1587 ngx_uint_t len; |
1544 | 1588 |
1589 if (dst == NULL) { | |
1590 | |
1591 len = 0; | |
1592 | |
3275 | 1593 while (size) { |
1544 | 1594 switch (*src++) { |
1595 | |
1596 case '<': | |
1597 len += sizeof("<") - 2; | |
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1598 break; |
1544 | 1599 |
1600 case '>': | |
1601 len += sizeof(">") - 2; | |
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1602 break; |
1544 | 1603 |
1604 case '&': | |
1605 len += sizeof("&") - 2; | |
1560
25ee6eee7573
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1552
diff
changeset
|
1606 break; |
1544 | 1607 |
1608 default: | |
1609 break; | |
1610 } | |
3275 | 1611 size--; |
1544 | 1612 } |
1613 | |
1614 return (uintptr_t) len; | |
1615 } | |
1616 | |
3275 | 1617 while (size) { |
1544 | 1618 ch = *src++; |
1619 | |
1620 switch (ch) { | |
1621 | |
1622 case '<': | |
1623 *dst++ = '&'; *dst++ = 'l'; *dst++ = 't'; *dst++ = ';'; | |
1624 break; | |
1625 | |
1626 case '>': | |
1627 *dst++ = '&'; *dst++ = 'g'; *dst++ = 't'; *dst++ = ';'; | |
1628 break; | |
1629 | |
1630 case '&': | |
1631 *dst++ = '&'; *dst++ = 'a'; *dst++ = 'm'; *dst++ = 'p'; | |
1632 *dst++ = ';'; | |
1633 break; | |
1634 | |
1635 default: | |
1636 *dst++ = ch; | |
1637 break; | |
1638 } | |
3275 | 1639 size--; |
1544 | 1640 } |
1641 | |
1642 return (uintptr_t) dst; | |
1643 } | |
1644 | |
1645 | |
1208 | 1646 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
1647 | |
1648 void | |
1649 ngx_sort(void *base, size_t n, size_t size, | |
1956
cb8c0c8e0c27
use ngx_int_t in ngx_sort() callback
Igor Sysoev <igor@sysoev.ru>
parents:
1955
diff
changeset
|
1650 ngx_int_t (*cmp)(const void *, const void *)) |
1208 | 1651 { |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1652 u_char *p1, *p2, *p; |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1653 |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1654 p = ngx_alloc(size, ngx_cycle->log); |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1655 if (p == NULL) { |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1656 return; |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1657 } |
1208 | 1658 |
1659 for (p1 = (u_char *) base + size; | |
1660 p1 < (u_char *) base + n * size; | |
1661 p1 += size) | |
1662 { | |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1663 ngx_memcpy(p, p1, size); |
1208 | 1664 |
1665 for (p2 = p1; | |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1666 p2 > (u_char *) base && cmp(p2 - size, p) > 0; |
1208 | 1667 p2 -= size) |
1668 { | |
1669 ngx_memcpy(p2, p2 - size, size); | |
1670 } | |
1671 | |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1672 ngx_memcpy(p2, p, size); |
1208 | 1673 } |
1955
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1674 |
466fdc84c82d
use dynamically allocated buffer in ngx_sort()
Igor Sysoev <igor@sysoev.ru>
parents:
1867
diff
changeset
|
1675 ngx_free(p); |
1208 | 1676 } |
1677 | |
1678 | |
583 | 1679 #if (NGX_MEMCPY_LIMIT) |
1680 | |
1681 void * | |
1682 ngx_memcpy(void *dst, void *src, size_t n) | |
1683 { | |
1684 if (n > NGX_MEMCPY_LIMIT) { | |
1685 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
1686 ngx_debug_point(); | |
1687 } | |
1688 | |
1689 return memcpy(dst, src, n); | |
1690 } | |
1691 | |
1692 #endif |