Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 1513:bf7814d77484 stable-0.5
r1407 merge:
use %v for ngx_variable_value_t in ngx_sprintf(),
this fixes nginx on FreeBSD/sparc64
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sat, 22 Sep 2007 19:18:36 +0000 |
parents | b19709ee1f52 |
children | 22629796df09 d5db0e96bcc6 |
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 |
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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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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26 *dst = '\0'; |
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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 |
1513 | 62 * %p void * |
63 * %V ngx_str_t * | |
64 * %v ngx_variable_value_t * | |
461 | 65 * %s null-terminated string |
66 * %Z '\0' | |
525 | 67 * %N '\n' |
461 | 68 * %c char |
69 * %% % | |
455 | 70 * |
461 | 71 * reserved: |
72 * %t ptrdiff_t | |
73 * %S null-teminated wchar string | |
74 * %C wchar | |
455 | 75 */ |
76 | |
461 | 77 |
503 | 78 u_char * ngx_cdecl |
493 | 79 ngx_sprintf(u_char *buf, const char *fmt, ...) |
461 | 80 { |
81 u_char *p; | |
82 va_list args; | |
83 | |
84 va_start(args, fmt); | |
85 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args); | |
86 va_end(args); | |
87 | |
88 return p; | |
89 } | |
90 | |
91 | |
503 | 92 u_char * ngx_cdecl |
493 | 93 ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...) |
455 | 94 { |
461 | 95 u_char *p; |
96 va_list args; | |
97 | |
98 va_start(args, fmt); | |
99 p = ngx_vsnprintf(buf, max, fmt, args); | |
100 va_end(args); | |
101 | |
102 return p; | |
103 } | |
104 | |
455 | 105 |
493 | 106 u_char * |
107 ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) | |
461 | 108 { |
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109 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1]; |
479 | 110 /* |
111 * really we need temp[NGX_INT64_LEN] only, | |
493 | 112 * but icc issues the warning |
479 | 113 */ |
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114 int d; |
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115 size_t len; |
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116 uint32_t ui32; |
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117 int64_t i64; |
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118 uint64_t ui64; |
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119 ngx_msec_t ms; |
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120 ngx_uint_t width, sign, hexadecimal, max_width; |
1513 | 121 ngx_str_t *v; |
122 ngx_variable_value_t *vv; | |
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123 static u_char hex[] = "0123456789abcdef"; |
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124 static u_char HEX[] = "0123456789ABCDEF"; |
455 | 125 |
461 | 126 if (max == 0) { |
127 return buf; | |
128 } | |
129 | |
130 last = buf + max; | |
131 | |
132 while (*fmt && buf < last) { | |
133 | |
134 /* | |
135 * "buf < last" means that we could copy at least one character: | |
136 * the plain character, "%%", "%c", and minus without the checking | |
137 */ | |
138 | |
455 | 139 if (*fmt == '%') { |
140 | |
461 | 141 i64 = 0; |
142 ui64 = 0; | |
143 | |
144 zero = (u_char) ((*++fmt == '0') ? '0' : ' '); | |
455 | 145 width = 0; |
146 sign = 1; | |
147 hexadecimal = 0; | |
493 | 148 max_width = 0; |
455 | 149 |
477 | 150 p = temp + NGX_INT64_LEN; |
455 | 151 |
152 while (*fmt >= '0' && *fmt <= '9') { | |
153 width = width * 10 + *fmt++ - '0'; | |
154 } | |
155 | |
156 | |
157 for ( ;; ) { | |
158 switch (*fmt) { | |
159 | |
160 case 'u': | |
161 sign = 0; | |
162 fmt++; | |
163 continue; | |
164 | |
467 | 165 case 'm': |
493 | 166 max_width = 1; |
467 | 167 fmt++; |
168 continue; | |
169 | |
461 | 170 case 'X': |
171 hexadecimal = 2; | |
172 sign = 0; | |
173 fmt++; | |
174 continue; | |
175 | |
455 | 176 case 'x': |
177 hexadecimal = 1; | |
461 | 178 sign = 0; |
455 | 179 fmt++; |
180 continue; | |
181 | |
182 default: | |
183 break; | |
184 } | |
185 | |
186 break; | |
187 } | |
188 | |
189 | |
190 switch (*fmt) { | |
191 | |
461 | 192 case 'V': |
1513 | 193 v = va_arg(args, ngx_str_t *); |
455 | 194 |
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195 len = v->len; |
573 | 196 len = (buf + len < last) ? len : (size_t) (last - buf); |
197 | |
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198 buf = ngx_cpymem(buf, v->data, len); |
461 | 199 fmt++; |
455 | 200 |
461 | 201 continue; |
455 | 202 |
1513 | 203 case 'v': |
204 vv = va_arg(args, ngx_variable_value_t *); | |
205 | |
206 len = vv->len; | |
207 len = (buf + len < last) ? len : (size_t) (last - buf); | |
208 | |
209 buf = ngx_cpymem(buf, vv->data, len); | |
210 fmt++; | |
211 | |
212 continue; | |
213 | |
455 | 214 case 's': |
461 | 215 p = va_arg(args, u_char *); |
455 | 216 |
461 | 217 while (*p && buf < last) { |
455 | 218 *buf++ = *p++; |
219 } | |
220 fmt++; | |
221 | |
222 continue; | |
223 | |
461 | 224 case 'O': |
225 i64 = (int64_t) va_arg(args, off_t); | |
226 sign = 1; | |
227 break; | |
228 | |
229 case 'P': | |
230 i64 = (int64_t) va_arg(args, ngx_pid_t); | |
231 sign = 1; | |
232 break; | |
233 | |
234 case 'T': | |
235 i64 = (int64_t) va_arg(args, time_t); | |
236 sign = 1; | |
237 break; | |
238 | |
557 | 239 case 'M': |
561 | 240 ms = (ngx_msec_t) va_arg(args, ngx_msec_t); |
241 if ((ngx_msec_int_t) ms == -1) { | |
242 sign = 1; | |
243 i64 = -1; | |
244 } else { | |
245 sign = 0; | |
246 ui64 = (uint64_t) ms; | |
247 } | |
557 | 248 break; |
249 | |
461 | 250 case 'z': |
251 if (sign) { | |
252 i64 = (int64_t) va_arg(args, ssize_t); | |
253 } else { | |
254 ui64 = (uint64_t) va_arg(args, size_t); | |
255 } | |
256 break; | |
257 | |
258 case 'i': | |
259 if (sign) { | |
260 i64 = (int64_t) va_arg(args, ngx_int_t); | |
261 } else { | |
262 ui64 = (uint64_t) va_arg(args, ngx_uint_t); | |
263 } | |
493 | 264 |
265 if (max_width) { | |
266 width = NGX_INT_T_LEN; | |
267 } | |
268 | |
461 | 269 break; |
270 | |
271 case 'd': | |
272 if (sign) { | |
273 i64 = (int64_t) va_arg(args, int); | |
274 } else { | |
275 ui64 = (uint64_t) va_arg(args, u_int); | |
276 } | |
277 break; | |
278 | |
279 case 'l': | |
280 if (sign) { | |
281 i64 = (int64_t) va_arg(args, long); | |
282 } else { | |
283 ui64 = (uint64_t) va_arg(args, u_long); | |
284 } | |
285 break; | |
286 | |
287 case 'D': | |
288 if (sign) { | |
289 i64 = (int64_t) va_arg(args, int32_t); | |
290 } else { | |
291 ui64 = (uint64_t) va_arg(args, uint32_t); | |
292 } | |
293 break; | |
294 | |
295 case 'L': | |
296 if (sign) { | |
297 i64 = va_arg(args, int64_t); | |
298 } else { | |
299 ui64 = va_arg(args, uint64_t); | |
300 } | |
301 break; | |
302 | |
493 | 303 case 'A': |
304 if (sign) { | |
305 i64 = (int64_t) va_arg(args, ngx_atomic_int_t); | |
306 } else { | |
495 | 307 ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); |
493 | 308 } |
309 | |
310 if (max_width) { | |
311 width = NGX_ATOMIC_T_LEN; | |
312 } | |
313 | |
314 break; | |
315 | |
461 | 316 #if !(NGX_WIN32) |
317 case 'r': | |
318 i64 = (int64_t) va_arg(args, rlim_t); | |
319 sign = 1; | |
320 break; | |
321 #endif | |
322 | |
323 case 'p': | |
324 ui64 = (uintptr_t) va_arg(args, void *); | |
325 hexadecimal = 2; | |
326 sign = 0; | |
327 zero = '0'; | |
613 | 328 width = NGX_PTR_SIZE * 2; |
461 | 329 break; |
330 | |
457 | 331 case 'c': |
461 | 332 d = va_arg(args, int); |
457 | 333 *buf++ = (u_char) (d & 0xff); |
334 fmt++; | |
335 | |
336 continue; | |
337 | |
461 | 338 case 'Z': |
339 *buf++ = '\0'; | |
340 fmt++; | |
341 | |
342 continue; | |
343 | |
525 | 344 case 'N': |
345 #if (NGX_WIN32) | |
346 *buf++ = CR; | |
347 #endif | |
348 *buf++ = LF; | |
349 fmt++; | |
350 | |
351 continue; | |
352 | |
455 | 353 case '%': |
354 *buf++ = '%'; | |
355 fmt++; | |
356 | |
357 continue; | |
358 | |
359 default: | |
360 *buf++ = *fmt++; | |
361 | |
362 continue; | |
363 } | |
364 | |
461 | 365 if (sign) { |
366 if (i64 < 0) { | |
367 *buf++ = '-'; | |
368 ui64 = (uint64_t) -i64; | |
369 | |
370 } else { | |
371 ui64 = (uint64_t) i64; | |
372 } | |
373 } | |
374 | |
375 if (hexadecimal == 1) { | |
376 do { | |
377 | |
378 /* the "(uint32_t)" cast disables the BCC's warning */ | |
379 *--p = hex[(uint32_t) (ui64 & 0xf)]; | |
380 | |
381 } while (ui64 >>= 4); | |
382 | |
383 } else if (hexadecimal == 2) { | |
384 do { | |
385 | |
386 /* the "(uint32_t)" cast disables the BCC's warning */ | |
387 *--p = HEX[(uint32_t) (ui64 & 0xf)]; | |
388 | |
389 } while (ui64 >>= 4); | |
390 | |
391 } else if (ui64 <= NGX_MAX_UINT32_VALUE) { | |
392 | |
393 /* | |
394 * To divide 64-bit number and to find the remainder | |
395 * on the x86 platform gcc and icc call the libc functions | |
396 * [u]divdi3() and [u]moddi3(), they call another function | |
493 | 397 * in its turn. On FreeBSD it is the qdivrem() function, |
461 | 398 * its source code is about 170 lines of the code. |
399 * The glibc counterpart is about 150 lines of the code. | |
400 * | |
493 | 401 * For 32-bit numbers and some divisors gcc and icc use |
402 * the inlined multiplication and shifts. For example, | |
403 * unsigned "i32 / 10" is compiled to | |
404 * | |
405 * (i32 * 0xCCCCCCCD) >> 35 | |
461 | 406 */ |
407 | |
408 ui32 = (uint32_t) ui64; | |
409 | |
410 do { | |
411 *--p = (u_char) (ui32 % 10 + '0'); | |
412 } while (ui32 /= 10); | |
413 | |
414 } else { | |
415 do { | |
416 *--p = (u_char) (ui64 % 10 + '0'); | |
417 } while (ui64 /= 10); | |
418 } | |
419 | |
477 | 420 len = (temp + NGX_INT64_LEN) - p; |
455 | 421 |
461 | 422 while (len++ < width && buf < last) { |
423 *buf++ = zero; | |
455 | 424 } |
425 | |
477 | 426 len = (temp + NGX_INT64_LEN) - p; |
461 | 427 if (buf + len > last) { |
428 len = last - buf; | |
429 } | |
430 | |
431 buf = ngx_cpymem(buf, p, len); | |
455 | 432 |
433 fmt++; | |
434 | |
435 } else { | |
436 *buf++ = *fmt++; | |
437 } | |
438 } | |
439 | |
440 return buf; | |
441 } | |
442 | |
443 | |
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444 /* |
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445 * We use ngx_strcasecmp()/ngx_strncasecmp() for 7-bit ASCII string only, |
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446 * and implement our own ngx_strcasecmp()/ngx_strncasecmp() |
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447 * to avoid libc locale overhead. Besides, we use the ngx_uint_t's |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
448 * instead of the u_char's, because they are slightly faster. |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
449 */ |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
450 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
451 ngx_int_t |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
452 ngx_strcasecmp(u_char *s1, u_char *s2) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
453 { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
454 ngx_uint_t c1, c2; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
455 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
456 for ( ;; ) { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
457 c1 = (ngx_uint_t) *s1++; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
458 c2 = (ngx_uint_t) *s2++; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
459 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
460 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
461 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
462 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
463 if (c1 == c2) { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
464 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
465 if (c1) { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
466 continue; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
467 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
468 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
469 return 0; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
470 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
471 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
472 return c1 - c2; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
473 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
474 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
475 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
476 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
477 ngx_int_t |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
478 ngx_strncasecmp(u_char *s1, u_char *s2, size_t n) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
479 { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
480 ngx_uint_t c1, c2; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
481 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
482 while (n) { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
483 c1 = (ngx_uint_t) *s1++; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
484 c2 = (ngx_uint_t) *s2++; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
485 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
486 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
487 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
488 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
489 if (c1 == c2) { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
490 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
491 if (c1) { |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
492 n--; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
493 continue; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
494 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
495 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
496 return 0; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
497 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
498 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
499 return c1 - c2; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
500 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
501 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
502 return 0; |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
503 } |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
504 |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1029
diff
changeset
|
505 |
493 | 506 ngx_int_t |
507 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
|
508 { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
509 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
510 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
511 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
512 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
513 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
514 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
515 for ( ;; ) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
516 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
|
517 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
|
518 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
519 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
520 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
521 return 0; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
522 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
523 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
524 n--; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
525 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
526 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
527 |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
528 |
493 | 529 ngx_int_t |
530 ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n) | |
455 | 531 { |
532 u_char c1, c2; | |
533 | |
534 if (n == 0) { | |
535 return 0; | |
536 } | |
537 | |
538 n--; | |
539 | |
540 for ( ;; ) { | |
541 c1 = s1[n]; | |
542 if (c1 >= 'a' && c1 <= 'z') { | |
543 c1 -= 'a' - 'A'; | |
544 } | |
545 | |
546 c2 = s2[n]; | |
547 if (c2 >= 'a' && c2 <= 'z') { | |
548 c2 -= 'a' - 'A'; | |
549 } | |
550 | |
551 if (c1 != c2) { | |
552 return c1 - c2; | |
553 } | |
554 | |
555 if (n == 0) { | |
556 return 0; | |
557 } | |
558 | |
559 n--; | |
560 } | |
561 } | |
562 | |
563 | |
493 | 564 ngx_int_t |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
565 ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2) |
1024 | 566 { |
567 size_t n; | |
568 ngx_int_t m, z; | |
569 | |
570 if (n1 <= n2) { | |
571 n = n1; | |
572 z = -1; | |
573 | |
574 } else { | |
575 n = n2; | |
576 z = 1; | |
577 } | |
578 | |
1029
ce08bc4cb97b
ngx_strn2cmp() > ngx_memn2cmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1024
diff
changeset
|
579 m = ngx_memcmp(s1, s2, n); |
1024 | 580 |
581 if (m || n1 == n2) { | |
582 return m; | |
583 } | |
584 | |
585 return z; | |
586 } | |
587 | |
588 | |
589 ngx_int_t | |
493 | 590 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
|
591 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
592 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
|
593 |
84
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
594 if (n == 0) { |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
595 return NGX_ERROR; |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
596 } |
fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
597 |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
598 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
|
599 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
|
600 return NGX_ERROR; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
601 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
602 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
603 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
|
604 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
605 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
606 if (value < 0) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
607 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
|
608 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
609 } else { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
610 return value; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
611 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
612 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
613 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
614 |
501 | 615 ssize_t |
616 ngx_atosz(u_char *line, size_t n) | |
617 { | |
618 ssize_t value; | |
619 | |
620 if (n == 0) { | |
621 return NGX_ERROR; | |
622 } | |
623 | |
624 for (value = 0; n--; line++) { | |
625 if (*line < '0' || *line > '9') { | |
626 return NGX_ERROR; | |
627 } | |
628 | |
629 value = value * 10 + (*line - '0'); | |
630 } | |
631 | |
632 if (value < 0) { | |
633 return NGX_ERROR; | |
634 | |
635 } else { | |
636 return value; | |
637 } | |
638 } | |
639 | |
640 | |
641 off_t | |
642 ngx_atoof(u_char *line, size_t n) | |
643 { | |
644 off_t value; | |
645 | |
646 if (n == 0) { | |
647 return NGX_ERROR; | |
648 } | |
649 | |
650 for (value = 0; n--; line++) { | |
651 if (*line < '0' || *line > '9') { | |
652 return NGX_ERROR; | |
653 } | |
654 | |
655 value = value * 10 + (*line - '0'); | |
656 } | |
657 | |
658 if (value < 0) { | |
659 return NGX_ERROR; | |
660 | |
661 } else { | |
662 return value; | |
663 } | |
664 } | |
665 | |
666 | |
667 time_t | |
668 ngx_atotm(u_char *line, size_t n) | |
669 { | |
670 time_t value; | |
671 | |
672 if (n == 0) { | |
673 return NGX_ERROR; | |
674 } | |
675 | |
676 for (value = 0; n--; line++) { | |
677 if (*line < '0' || *line > '9') { | |
678 return NGX_ERROR; | |
679 } | |
680 | |
681 value = value * 10 + (*line - '0'); | |
682 } | |
683 | |
684 if (value < 0) { | |
685 return NGX_ERROR; | |
686 | |
687 } else { | |
688 return value; | |
689 } | |
690 } | |
691 | |
692 | |
493 | 693 ngx_int_t |
694 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
|
695 { |
783 | 696 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
|
697 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
|
698 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
699 if (n == 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
700 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
701 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
702 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
703 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
|
704 ch = *line; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
705 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
706 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
|
707 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
|
708 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
709 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
710 |
783 | 711 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
|
712 |
783 | 713 if (c >= 'a' && c <= 'f') { |
714 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
|
715 continue; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
716 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
717 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
718 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
719 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
720 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
721 if (value < 0) { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
722 return NGX_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
723 |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
724 } else { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
725 return value; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
726 } |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
727 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
728 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
729 |
493 | 730 void |
731 ngx_md5_text(u_char *text, u_char *md5) | |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
732 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
733 int i; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
734 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
|
735 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
736 for (i = 0; i < 16; i++) { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
737 *text++ = hex[md5[i] >> 4]; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
738 *text++ = hex[md5[i] & 0xf]; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
739 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
740 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
741 *text = '\0'; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
742 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
743 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
744 |
493 | 745 void |
746 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
|
747 { |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
748 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
|
749 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
|
750 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
|
751 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
752 |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
408
diff
changeset
|
753 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
|
754 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
|
755 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
|
756 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
757 while (len > 2) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
758 *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
|
759 *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
|
760 *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
|
761 *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
|
762 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
763 s += 3; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
764 len -= 3; |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
765 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
766 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
767 if (len) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
768 *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
|
769 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
770 if (len == 1) { |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
771 *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
|
772 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
773 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
774 } else { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
775 *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
|
776 *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
|
777 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
778 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
779 *d++ = '='; |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
780 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
781 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
782 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
|
783 } |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
784 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
785 |
493 | 786 ngx_int_t |
787 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
|
788 { |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
789 size_t len; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
790 u_char *d, *s; |
827 | 791 static u_char basis64[] = { |
792 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
793 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
794 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63, | |
795 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77, | |
796 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
797 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77, | |
798 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
799 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
|
800 |
827 | 801 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, |
802 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
803 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
804 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
805 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
806 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
807 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, | |
808 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 | |
809 }; | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
810 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
811 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
|
812 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
|
813 break; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
814 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
815 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
816 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
|
817 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
818 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
819 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
820 |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
821 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
|
822 return NGX_ERROR; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
823 } |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
824 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
825 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
|
826 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
|
827 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
828 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
|
829 *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
|
830 *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
|
831 *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
|
832 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
833 s += 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
834 len -= 4; |
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
835 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
836 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
837 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
|
838 *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
|
839 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
840 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
841 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
|
842 *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
|
843 } |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
844 |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
845 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
|
846 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
847 return NGX_OK; |
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 |
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
850 |
657 | 851 /* |
852 * ngx_utf_decode() decodes two and more bytes UTF sequences only | |
853 * the return values: | |
854 * 0x80 - 0x10ffff valid character | |
855 * 0x10ffff - 0xfffffffd invalid sequence | |
856 * 0xfffffffe incomplete sequence | |
857 * 0xffffffff error | |
858 */ | |
859 | |
860 uint32_t | |
861 ngx_utf_decode(u_char **p, size_t n) | |
862 { | |
863 size_t len; | |
864 uint32_t u, i, valid; | |
865 | |
866 u = **p; | |
867 | |
868 if (u > 0xf0) { | |
869 | |
870 u &= 0x07; | |
871 valid = 0xffff; | |
872 len = 3; | |
873 | |
874 } else if (u > 0xe0) { | |
875 | |
876 u &= 0x0f; | |
877 valid = 0x7ff; | |
878 len = 2; | |
879 | |
880 } else if (u > 0xc0) { | |
881 | |
882 u &= 0x1f; | |
883 valid = 0x7f; | |
884 len = 1; | |
885 | |
886 } else { | |
887 (*p)++; | |
888 return 0xffffffff; | |
889 } | |
890 | |
891 if (n - 1 < len) { | |
892 return 0xfffffffe; | |
893 } | |
894 | |
895 (*p)++; | |
896 | |
897 while (len) { | |
898 i = *(*p)++; | |
899 | |
900 if (i < 0x80) { | |
901 return 0xffffffff; | |
902 } | |
903 | |
904 u = (u << 6) | (i & 0x3f); | |
905 | |
906 len--; | |
907 } | |
908 | |
909 if (u > valid) { | |
910 return u; | |
911 } | |
912 | |
913 return 0xffffffff; | |
914 } | |
915 | |
916 | |
523 | 917 size_t |
657 | 918 ngx_utf_length(u_char *p, size_t n) |
523 | 919 { |
920 u_char c; | |
921 size_t len; | |
922 ngx_uint_t i; | |
923 | |
657 | 924 for (len = 0, i = 0; i < n; len++, i++) { |
523 | 925 |
657 | 926 c = p[i]; |
523 | 927 |
928 if (c < 0x80) { | |
929 continue; | |
930 } | |
931 | |
527 | 932 if (c >= 0xc0) { |
933 for (c <<= 1; c & 0x80; c <<= 1) { | |
934 i++; | |
935 } | |
936 | |
937 continue; | |
523 | 938 } |
939 | |
527 | 940 /* invalid utf */ |
941 | |
657 | 942 return n; |
523 | 943 } |
944 | |
945 return len; | |
946 } | |
947 | |
948 | |
527 | 949 u_char * |
950 ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n) | |
951 { | |
952 u_char c; | |
953 | |
954 if (n == 0) { | |
955 return dst; | |
956 } | |
957 | |
958 for ( /* void */ ; --n; dst++, src++) { | |
959 | |
960 c = *src; | |
961 *dst = c; | |
962 | |
963 if (c < 0x80) { | |
964 if (*dst != '\0') { | |
965 continue; | |
966 } | |
967 | |
968 return dst; | |
969 } | |
970 | |
971 if (c >= 0xc0) { | |
972 for (c <<= 1; c & 0x80; c <<= 1) { | |
973 *++dst = *++src; | |
974 } | |
975 | |
976 continue; | |
977 } | |
978 | |
979 /* invalid utf */ | |
980 } | |
981 | |
982 *dst = '\0'; | |
983 | |
984 return dst; | |
985 } | |
986 | |
987 | |
493 | 988 uintptr_t |
989 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
|
990 { |
827 | 991 ngx_uint_t i, n; |
992 uint32_t *escape; | |
993 static u_char hex[] = "0123456789abcdef"; | |
461 | 994 |
827 | 995 /* " ", "#", "%", "?", %00-%1F, %7F-%FF */ |
485 | 996 |
827 | 997 static uint32_t uri[] = { |
998 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
69
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parents:
0
diff
changeset
|
999 |
827 | 1000 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1001 0x80000029, /* 1000 0000 0000 0000 0000 0000 0010 1001 */ | |
1002 | |
1003 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1004 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
452 | 1005 |
827 | 1006 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1007 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
69
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parents:
0
diff
changeset
|
1008 |
827 | 1009 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1010 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1011 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1012 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1013 }; | |
452 | 1014 |
827 | 1015 /* " ", "#", "%", "+", "?", %00-%1F, %7F-%FF */ |
485 | 1016 |
827 | 1017 static uint32_t args[] = { |
1018 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1019 | |
1020 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
1021 0x80000829, /* 1000 0000 0000 0000 0000 1000 0010 1001 */ | |
485 | 1022 |
827 | 1023 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
1024 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1025 |
827 | 1026 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1027 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
485 | 1028 |
827 | 1029 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1030 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1031 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1032 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1033 }; | |
485 | 1034 |
1512 | 1035 /* " ", "#", """, "%", "'", %00-%1F, %7F-%FF */ |
485 | 1036 |
827 | 1037 static uint32_t html[] = { |
1038 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
461 | 1039 |
827 | 1040 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
1304 | 1041 0x000000ad, /* 0000 0000 0000 0000 0000 0000 1010 1101 */ |
827 | 1042 |
1043 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1044 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1045 |
827 | 1046 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
1047 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
461 | 1048 |
827 | 1049 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
1050 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1051 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1052 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1053 }; | |
461 | 1054 |
1512 | 1055 /* " ", """, "%", "'", %00-%1F, %7F-%FF */ |
461 | 1056 |
1311 | 1057 static uint32_t refresh[] = { |
1058 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1059 | |
1060 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
1512 | 1061 0x000000a5, /* 0000 0000 0000 0000 0000 0000 1010 0101 */ |
1311 | 1062 |
1063 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1064 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1065 | |
1066 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ | |
1067 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ | |
1068 | |
1069 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1070 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1071 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1072 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1073 }; | |
1074 | |
1512 | 1075 /* " ", "%", %00-%1F */ |
1347 | 1076 |
1077 static uint32_t memcached[] = { | |
1078 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ | |
1079 | |
1080 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ | |
1512 | 1081 0x00000021, /* 0000 0000 0000 0000 0000 0000 0010 0001 */ |
1347 | 1082 |
1083 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ | |
1084 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1085 | |
1086 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ | |
1087 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1088 | |
1089 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1090 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1091 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1092 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ | |
1093 }; | |
1094 | |
1512 | 1095 /* mail_auth is the same as memcached */ |
1096 | |
1097 static uint32_t *map[] = | |
1098 { uri, args, html, refresh, memcached, memcached }; | |
1311 | 1099 |
1100 | |
1101 escape = map[type]; | |
461 | 1102 |
452 | 1103 if (dst == NULL) { |
1104 | |
1105 /* find the number of the characters to be escaped */ | |
69
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0
diff
changeset
|
1106 |
452 | 1107 n = 0; |
1108 | |
1109 for (i = 0; i < size; i++) { | |
1110 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1111 n++; | |
1112 } | |
1113 src++; | |
1114 } | |
1115 | |
485 | 1116 return (uintptr_t) n; |
69
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0
diff
changeset
|
1117 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
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parents:
0
diff
changeset
|
1118 |
452 | 1119 for (i = 0; i < size; i++) { |
1120 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { | |
1121 *dst++ = '%'; | |
1122 *dst++ = hex[*src >> 4]; | |
1123 *dst++ = hex[*src & 0xf]; | |
1124 src++; | |
69
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parents:
0
diff
changeset
|
1125 |
452 | 1126 } else { |
1127 *dst++ = *src++; | |
1128 } | |
69
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parents:
0
diff
changeset
|
1129 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
1130 |
485 | 1131 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
|
1132 } |
577 | 1133 |
1134 | |
1135 void | |
601 | 1136 ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type) |
577 | 1137 { |
1138 u_char *d, *s, ch, c, decoded; | |
1139 enum { | |
1140 sw_usual = 0, | |
1141 sw_quoted, | |
1142 sw_quoted_second | |
1143 } state; | |
1144 | |
1145 d = *dst; | |
1146 s = *src; | |
1147 | |
1148 state = 0; | |
1149 decoded = 0; | |
1150 | |
1151 while (size--) { | |
1152 | |
1153 ch = *s++; | |
1154 | |
1155 switch (state) { | |
1156 case sw_usual: | |
601 | 1157 if (ch == '?' && type == NGX_UNESCAPE_URI) { |
577 | 1158 *d++ = ch; |
1159 goto done; | |
1160 } | |
1161 | |
1162 if (ch == '%') { | |
1163 state = sw_quoted; | |
1164 break; | |
1165 } | |
1166 | |
1167 *d++ = ch; | |
1168 break; | |
1169 | |
1170 case sw_quoted: | |
1171 | |
1172 if (ch >= '0' && ch <= '9') { | |
1173 decoded = (u_char) (ch - '0'); | |
1174 state = sw_quoted_second; | |
1175 break; | |
1176 } | |
1177 | |
1178 c = (u_char) (ch | 0x20); | |
1179 if (c >= 'a' && c <= 'f') { | |
1180 decoded = (u_char) (c - 'a' + 10); | |
1181 state = sw_quoted_second; | |
1182 break; | |
1183 } | |
1184 | |
589 | 1185 /* the invalid quoted character */ |
577 | 1186 |
589 | 1187 state = sw_usual; |
1188 | |
1189 *d++ = ch; | |
577 | 1190 |
1191 break; | |
1192 | |
1193 case sw_quoted_second: | |
1194 | |
589 | 1195 state = sw_usual; |
1196 | |
577 | 1197 if (ch >= '0' && ch <= '9') { |
1198 ch = (u_char) ((decoded << 4) + ch - '0'); | |
1199 | |
601 | 1200 if (type == NGX_UNESCAPE_URI) { |
1201 if (ch > '%' && ch < 0x7f) { | |
1202 *d++ = ch; | |
1203 break; | |
1204 } | |
1205 | |
1206 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
1207 | |
577 | 1208 break; |
1209 } | |
1210 | |
601 | 1211 *d++ = ch; |
577 | 1212 |
1213 break; | |
1214 } | |
1215 | |
1216 c = (u_char) (ch | 0x20); | |
1217 if (c >= 'a' && c <= 'f') { | |
1218 ch = (u_char) ((decoded << 4) + c - 'a' + 10); | |
1219 | |
601 | 1220 if (type == NGX_UNESCAPE_URI) { |
1221 if (ch == '?') { | |
1222 *d++ = ch; | |
1223 goto done; | |
1224 } | |
577 | 1225 |
601 | 1226 if (ch > '%' && ch < 0x7f) { |
1227 *d++ = ch; | |
1228 break; | |
1229 } | |
1230 | |
1231 *d++ = '%'; *d++ = *(s - 2); *d++ = *(s - 1); | |
577 | 1232 break; |
1233 } | |
1234 | |
601 | 1235 *d++ = ch; |
577 | 1236 |
1237 break; | |
1238 } | |
1239 | |
589 | 1240 /* the invalid quoted character */ |
577 | 1241 |
1242 break; | |
1243 } | |
1244 } | |
1245 | |
1246 done: | |
1247 | |
1248 *dst = d; | |
1249 *src = s; | |
1250 } | |
583 | 1251 |
1252 | |
1208 | 1253 /* ngx_sort() is implemented as insertion sort because we need stable sort */ |
1254 | |
1255 void | |
1256 ngx_sort(void *base, size_t n, size_t size, | |
1257 int (*cmp)(const void *, const void *)) | |
1258 { | |
1259 u_char *p1, *p2; | |
1260 u_char buf[256]; | |
1261 | |
1262 for (p1 = (u_char *) base + size; | |
1263 p1 < (u_char *) base + n * size; | |
1264 p1 += size) | |
1265 { | |
1266 ngx_memcpy(buf, p1, size); | |
1267 | |
1268 for (p2 = p1; | |
1269 p2 > (u_char *) base && cmp(p2 - size, buf) > 0; | |
1270 p2 -= size) | |
1271 { | |
1272 ngx_memcpy(p2, p2 - size, size); | |
1273 } | |
1274 | |
1275 ngx_memcpy(p2, buf, size); | |
1276 } | |
1277 } | |
1278 | |
1279 | |
583 | 1280 #if (NGX_MEMCPY_LIMIT) |
1281 | |
1282 void * | |
1283 ngx_memcpy(void *dst, void *src, size_t n) | |
1284 { | |
1285 if (n > NGX_MEMCPY_LIMIT) { | |
1286 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "memcpy %uz bytes", n); | |
1287 ngx_debug_point(); | |
1288 } | |
1289 | |
1290 return memcpy(dst, src, n); | |
1291 } | |
1292 | |
1293 #endif |