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d614a753 | 1 | /* Copyright (C) 1999-2020 Free Software Foundation, Inc. |
9bbd7837 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
9bbd7837 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
9bbd7837 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
9bbd7837 | 17 | |
09a596cc ZW |
18 | /* This file contains compatibility definitions of functions that were |
19 | formerly defined as "extern inline" in string.h; it's conceivable | |
20 | that old binaries contain references to them. */ | |
ee2a5ae8 | 21 | |
09a596cc | 22 | #define __NO_STRING_INLINES |
9bbd7837 | 23 | #include <string.h> |
ee2a5ae8 | 24 | |
d3496c9f WD |
25 | #include "shlib-compat.h" |
26 | ||
d58ab810 | 27 | #if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_25) |
09a596cc | 28 | /* These functions were removed from string.h in glibc 2.25. */ |
d58ab810 WD |
29 | |
30 | char * | |
31 | __old_strtok_r_1c (char *__s, char __sep, char **__nextp) | |
32 | { | |
33 | char *__result; | |
34 | if (__s == NULL) | |
35 | __s = *__nextp; | |
36 | while (*__s == __sep) | |
37 | ++__s; | |
38 | __result = NULL; | |
39 | if (*__s != '\0') | |
40 | { | |
41 | __result = __s++; | |
42 | while (*__s != '\0') | |
43 | if (*__s++ == __sep) | |
44 | { | |
45 | __s[-1] = '\0'; | |
46 | break; | |
47 | } | |
48 | } | |
49 | *__nextp = __s; | |
50 | return __result; | |
51 | } | |
52 | compat_symbol (libc, __old_strtok_r_1c, __strtok_r_1c, GLIBC_2_1_1); | |
5625f666 WD |
53 | |
54 | char * | |
55 | __old_strsep_1c (char **__s, char __reject) | |
56 | { | |
57 | char *__retval = *__s; | |
58 | if (__retval != NULL && (*__s = strchr (__retval, __reject)) != NULL) | |
59 | *(*__s)++ = '\0'; | |
60 | return __retval; | |
61 | } | |
62 | compat_symbol (libc, __old_strsep_1c, __strsep_1c, GLIBC_2_1_1); | |
63 | ||
64 | char * | |
65 | __old_strsep_2c (char **__s, char __reject1, char __reject2) | |
66 | { | |
67 | char *__retval = *__s; | |
68 | if (__retval != NULL) | |
69 | { | |
70 | char *__cp = __retval; | |
71 | while (1) | |
72 | { | |
73 | if (*__cp == '\0') | |
74 | { | |
75 | __cp = NULL; | |
76 | break; | |
77 | } | |
78 | if (*__cp == __reject1 || *__cp == __reject2) | |
79 | { | |
80 | *__cp++ = '\0'; | |
81 | break; | |
82 | } | |
83 | ++__cp; | |
84 | } | |
85 | *__s = __cp; | |
86 | } | |
87 | return __retval; | |
88 | } | |
89 | compat_symbol (libc, __old_strsep_2c, __strsep_2c, GLIBC_2_1_1); | |
90 | ||
91 | char * | |
92 | __old_strsep_3c (char **__s, char __reject1, char __reject2, char __reject3) | |
93 | { | |
94 | char *__retval = *__s; | |
95 | if (__retval != NULL) | |
96 | { | |
97 | char *__cp = __retval; | |
98 | while (1) | |
99 | { | |
100 | if (*__cp == '\0') | |
101 | { | |
102 | __cp = NULL; | |
103 | break; | |
104 | } | |
105 | if (*__cp == __reject1 || *__cp == __reject2 || *__cp == __reject3) | |
106 | { | |
107 | *__cp++ = '\0'; | |
108 | break; | |
109 | } | |
110 | ++__cp; | |
111 | } | |
112 | *__s = __cp; | |
113 | } | |
114 | return __retval; | |
115 | } | |
116 | compat_symbol (libc, __old_strsep_3c, __strsep_3c, GLIBC_2_1_1); | |
d58ab810 WD |
117 | #endif |
118 | ||
d3496c9f | 119 | #if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_24) |
09a596cc ZW |
120 | /* These functions were removed from string.h in glibc 2.24. */ |
121 | ||
d3496c9f WD |
122 | size_t |
123 | __old_strcspn_c1 (const char *__s, int __reject) | |
124 | { | |
125 | size_t __result = 0; | |
126 | while (__s[__result] != '\0' && __s[__result] != __reject) | |
127 | ++__result; | |
128 | return __result; | |
129 | } | |
130 | compat_symbol (libc, __old_strcspn_c1, __strcspn_c1, GLIBC_2_1_1); | |
131 | ||
132 | size_t | |
133 | __old_strcspn_c2 (const char *__s, int __reject1, int __reject2) | |
134 | { | |
135 | size_t __result = 0; | |
136 | while (__s[__result] != '\0' && __s[__result] != __reject1 | |
137 | && __s[__result] != __reject2) | |
138 | ++__result; | |
139 | return __result; | |
140 | } | |
141 | compat_symbol (libc, __old_strcspn_c2, __strcspn_c2, GLIBC_2_1_1); | |
142 | ||
143 | size_t | |
144 | __old_strcspn_c3 (const char *__s, int __reject1, int __reject2, | |
145 | int __reject3) | |
146 | { | |
147 | size_t __result = 0; | |
148 | while (__s[__result] != '\0' && __s[__result] != __reject1 | |
149 | && __s[__result] != __reject2 && __s[__result] != __reject3) | |
150 | ++__result; | |
151 | return __result; | |
152 | } | |
153 | compat_symbol (libc, __old_strcspn_c3, __strcspn_c3, GLIBC_2_1_1); | |
91f3b75f AZ |
154 | |
155 | size_t | |
156 | __old_strspn_c1 (const char *__s, int __accept) | |
157 | { | |
158 | size_t __result = 0; | |
159 | /* Please note that __accept never can be '\0'. */ | |
160 | while (__s[__result] == __accept) | |
161 | ++__result; | |
162 | return __result; | |
163 | } | |
164 | compat_symbol (libc, __old_strspn_c1, __strspn_c1, GLIBC_2_1_1); | |
165 | ||
166 | size_t | |
167 | __old_strspn_c2 (const char *__s, int __accept1, int __accept2) | |
168 | { | |
169 | size_t __result = 0; | |
170 | /* Please note that __accept1 and __accept2 never can be '\0'. */ | |
171 | while (__s[__result] == __accept1 || __s[__result] == __accept2) | |
172 | ++__result; | |
173 | return __result; | |
174 | } | |
175 | compat_symbol (libc, __old_strspn_c2, __strspn_c2, GLIBC_2_1_1); | |
176 | ||
177 | size_t | |
178 | __old_strspn_c3 (const char *__s, int __accept1, int __accept2, | |
179 | int __accept3) | |
180 | { | |
181 | size_t __result = 0; | |
182 | /* Please note that __accept1 to __accept3 never can be '\0'. */ | |
183 | while (__s[__result] == __accept1 || __s[__result] == __accept2 | |
184 | || __s[__result] == __accept3) | |
185 | ++__result; | |
186 | return __result; | |
187 | } | |
188 | compat_symbol (libc, __old_strspn_c3, __strspn_c3, GLIBC_2_1_1); | |
189 | ||
282b71f0 | 190 | char * |
d20dce25 | 191 | __old_strpbrk_c2 (const char *__s, int __accept1, int __accept2) |
282b71f0 AZ |
192 | { |
193 | /* Please note that __accept1 and __accept2 never can be '\0'. */ | |
194 | while (*__s != '\0' && *__s != __accept1 && *__s != __accept2) | |
195 | ++__s; | |
196 | return *__s == '\0' ? NULL : (char *) (size_t) __s; | |
197 | } | |
198 | compat_symbol (libc, __old_strpbrk_c2, __strpbrk_c2, GLIBC_2_1_1); | |
199 | ||
200 | char * | |
d20dce25 | 201 | __old_strpbrk_c3 (const char *__s, int __accept1, int __accept2, int __accept3) |
282b71f0 AZ |
202 | { |
203 | /* Please note that __accept1 to __accept3 never can be '\0'. */ | |
204 | while (*__s != '\0' && *__s != __accept1 && *__s != __accept2 | |
205 | && *__s != __accept3) | |
206 | ++__s; | |
207 | return *__s == '\0' ? NULL : (char *) (size_t) __s; | |
208 | } | |
209 | compat_symbol (libc, __old_strpbrk_c3, __strpbrk_c3, GLIBC_2_1_1); | |
210 | ||
09a596cc ZW |
211 | # if defined __mc68020__ || defined __s390__ || defined __i386__ |
212 | # define _STRING_INLINE_unaligned 1 | |
213 | # else | |
214 | # define _STRING_INLINE_unaligned 0 | |
d20dce25 WD |
215 | /* These are a few types we need for the optimizations if we cannot |
216 | use unaligned memory accesses. */ | |
09a596cc | 217 | # define __STRING2_COPY_TYPE(N) \ |
d20dce25 WD |
218 | typedef struct { unsigned char __arr[N]; } \ |
219 | __attribute__ ((__packed__)) __STRING2_COPY_ARR##N | |
220 | __STRING2_COPY_TYPE (2); | |
221 | __STRING2_COPY_TYPE (3); | |
222 | __STRING2_COPY_TYPE (4); | |
223 | __STRING2_COPY_TYPE (5); | |
224 | __STRING2_COPY_TYPE (6); | |
225 | __STRING2_COPY_TYPE (7); | |
226 | __STRING2_COPY_TYPE (8); | |
09a596cc ZW |
227 | # undef __STRING2_COPY_TYPE |
228 | # endif | |
d20dce25 WD |
229 | |
230 | # if _STRING_INLINE_unaligned | |
231 | void * | |
232 | __old_mempcpy_small (void *__dest1, | |
233 | char __src0_1, char __src2_1, char __src4_1, char __src6_1, | |
234 | __uint16_t __src0_2, __uint16_t __src4_2, | |
235 | __uint32_t __src0_4, __uint32_t __src4_4, | |
236 | size_t __srclen) | |
237 | { | |
238 | union { | |
239 | __uint32_t __ui; | |
240 | __uint16_t __usi; | |
241 | unsigned char __uc; | |
242 | unsigned char __c; | |
243 | } *__u = __dest1; | |
244 | switch ((unsigned int) __srclen) | |
245 | { | |
246 | case 1: | |
247 | __u->__c = __src0_1; | |
248 | __u = __extension__ ((void *) __u + 1); | |
249 | break; | |
250 | case 2: | |
251 | __u->__usi = __src0_2; | |
252 | __u = __extension__ ((void *) __u + 2); | |
253 | break; | |
254 | case 3: | |
255 | __u->__usi = __src0_2; | |
256 | __u = __extension__ ((void *) __u + 2); | |
257 | __u->__c = __src2_1; | |
258 | __u = __extension__ ((void *) __u + 1); | |
259 | break; | |
260 | case 4: | |
261 | __u->__ui = __src0_4; | |
262 | __u = __extension__ ((void *) __u + 4); | |
263 | break; | |
264 | case 5: | |
265 | __u->__ui = __src0_4; | |
266 | __u = __extension__ ((void *) __u + 4); | |
267 | __u->__c = __src4_1; | |
268 | __u = __extension__ ((void *) __u + 1); | |
269 | break; | |
270 | case 6: | |
271 | __u->__ui = __src0_4; | |
272 | __u = __extension__ ((void *) __u + 4); | |
273 | __u->__usi = __src4_2; | |
274 | __u = __extension__ ((void *) __u + 2); | |
275 | break; | |
276 | case 7: | |
277 | __u->__ui = __src0_4; | |
278 | __u = __extension__ ((void *) __u + 4); | |
279 | __u->__usi = __src4_2; | |
280 | __u = __extension__ ((void *) __u + 2); | |
281 | __u->__c = __src6_1; | |
282 | __u = __extension__ ((void *) __u + 1); | |
283 | break; | |
284 | case 8: | |
285 | __u->__ui = __src0_4; | |
286 | __u = __extension__ ((void *) __u + 4); | |
287 | __u->__ui = __src4_4; | |
288 | __u = __extension__ ((void *) __u + 4); | |
289 | break; | |
290 | } | |
291 | return (void *) __u; | |
292 | } | |
293 | ||
294 | # else | |
295 | ||
296 | void * | |
297 | __old_mempcpy_small (void *__dest, char __src1, | |
298 | __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, | |
299 | __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5, | |
300 | __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7, | |
301 | __STRING2_COPY_ARR8 __src8, size_t __srclen) | |
302 | { | |
303 | union { | |
304 | char __c; | |
305 | __STRING2_COPY_ARR2 __sca2; | |
306 | __STRING2_COPY_ARR3 __sca3; | |
307 | __STRING2_COPY_ARR4 __sca4; | |
308 | __STRING2_COPY_ARR5 __sca5; | |
309 | __STRING2_COPY_ARR6 __sca6; | |
310 | __STRING2_COPY_ARR7 __sca7; | |
311 | __STRING2_COPY_ARR8 __sca8; | |
312 | } *__u = __dest; | |
313 | switch ((unsigned int) __srclen) | |
314 | { | |
315 | case 1: | |
316 | __u->__c = __src1; | |
317 | break; | |
318 | case 2: | |
319 | __extension__ __u->__sca2 = __src2; | |
320 | break; | |
321 | case 3: | |
322 | __extension__ __u->__sca3 = __src3; | |
323 | break; | |
324 | case 4: | |
325 | __extension__ __u->__sca4 = __src4; | |
326 | break; | |
327 | case 5: | |
328 | __extension__ __u->__sca5 = __src5; | |
329 | break; | |
330 | case 6: | |
331 | __extension__ __u->__sca6 = __src6; | |
332 | break; | |
333 | case 7: | |
334 | __extension__ __u->__sca7 = __src7; | |
335 | break; | |
336 | case 8: | |
337 | __extension__ __u->__sca8 = __src8; | |
338 | break; | |
339 | } | |
340 | return __extension__ ((void *) __u + __srclen); | |
341 | } | |
342 | # endif | |
343 | compat_symbol (libc, __old_mempcpy_small, __mempcpy_small, GLIBC_2_1_1); | |
344 | ||
345 | # if _STRING_INLINE_unaligned | |
346 | char * | |
347 | __old_strcpy_small (char *__dest, | |
348 | __uint16_t __src0_2, __uint16_t __src4_2, | |
349 | __uint32_t __src0_4, __uint32_t __src4_4, | |
350 | size_t __srclen) | |
351 | { | |
352 | union { | |
353 | __uint32_t __ui; | |
354 | __uint16_t __usi; | |
355 | unsigned char __uc; | |
356 | } *__u = (void *) __dest; | |
357 | switch ((unsigned int) __srclen) | |
358 | { | |
359 | case 1: | |
360 | __u->__uc = '\0'; | |
361 | break; | |
362 | case 2: | |
363 | __u->__usi = __src0_2; | |
364 | break; | |
365 | case 3: | |
366 | __u->__usi = __src0_2; | |
367 | __u = __extension__ ((void *) __u + 2); | |
368 | __u->__uc = '\0'; | |
369 | break; | |
370 | case 4: | |
371 | __u->__ui = __src0_4; | |
372 | break; | |
373 | case 5: | |
374 | __u->__ui = __src0_4; | |
375 | __u = __extension__ ((void *) __u + 4); | |
376 | __u->__uc = '\0'; | |
377 | break; | |
378 | case 6: | |
379 | __u->__ui = __src0_4; | |
380 | __u = __extension__ ((void *) __u + 4); | |
381 | __u->__usi = __src4_2; | |
382 | break; | |
383 | case 7: | |
384 | __u->__ui = __src0_4; | |
385 | __u = __extension__ ((void *) __u + 4); | |
386 | __u->__usi = __src4_2; | |
387 | __u = __extension__ ((void *) __u + 2); | |
388 | __u->__uc = '\0'; | |
389 | break; | |
390 | case 8: | |
391 | __u->__ui = __src0_4; | |
392 | __u = __extension__ ((void *) __u + 4); | |
393 | __u->__ui = __src4_4; | |
394 | break; | |
395 | } | |
396 | return __dest; | |
397 | } | |
398 | ||
399 | # else | |
400 | ||
401 | char * | |
402 | __old_strcpy_small (char *__dest, | |
403 | __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, | |
404 | __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5, | |
405 | __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7, | |
406 | __STRING2_COPY_ARR8 __src8, size_t __srclen) | |
407 | { | |
408 | union { | |
409 | char __c; | |
410 | __STRING2_COPY_ARR2 __sca2; | |
411 | __STRING2_COPY_ARR3 __sca3; | |
412 | __STRING2_COPY_ARR4 __sca4; | |
413 | __STRING2_COPY_ARR5 __sca5; | |
414 | __STRING2_COPY_ARR6 __sca6; | |
415 | __STRING2_COPY_ARR7 __sca7; | |
416 | __STRING2_COPY_ARR8 __sca8; | |
417 | } *__u = (void *) __dest; | |
418 | switch ((unsigned int) __srclen) | |
419 | { | |
420 | case 1: | |
421 | __u->__c = '\0'; | |
422 | break; | |
423 | case 2: | |
424 | __extension__ __u->__sca2 = __src2; | |
425 | break; | |
426 | case 3: | |
427 | __extension__ __u->__sca3 = __src3; | |
428 | break; | |
429 | case 4: | |
430 | __extension__ __u->__sca4 = __src4; | |
431 | break; | |
432 | case 5: | |
433 | __extension__ __u->__sca5 = __src5; | |
434 | break; | |
435 | case 6: | |
436 | __extension__ __u->__sca6 = __src6; | |
437 | break; | |
438 | case 7: | |
439 | __extension__ __u->__sca7 = __src7; | |
440 | break; | |
441 | case 8: | |
442 | __extension__ __u->__sca8 = __src8; | |
443 | break; | |
444 | } | |
445 | return __dest; | |
446 | } | |
447 | # endif | |
448 | compat_symbol (libc, __old_strcpy_small, __strcpy_small, GLIBC_2_1_1); | |
449 | ||
450 | # if _STRING_INLINE_unaligned | |
451 | char * | |
452 | __old_stpcpy_small (char *__dest, | |
453 | __uint16_t __src0_2, __uint16_t __src4_2, | |
454 | __uint32_t __src0_4, __uint32_t __src4_4, | |
455 | size_t __srclen) | |
456 | { | |
457 | union { | |
458 | unsigned int __ui; | |
459 | unsigned short int __usi; | |
460 | unsigned char __uc; | |
461 | char __c; | |
462 | } *__u = (void *) __dest; | |
463 | switch ((unsigned int) __srclen) | |
464 | { | |
465 | case 1: | |
466 | __u->__uc = '\0'; | |
467 | break; | |
468 | case 2: | |
469 | __u->__usi = __src0_2; | |
470 | __u = __extension__ ((void *) __u + 1); | |
471 | break; | |
472 | case 3: | |
473 | __u->__usi = __src0_2; | |
474 | __u = __extension__ ((void *) __u + 2); | |
475 | __u->__uc = '\0'; | |
476 | break; | |
477 | case 4: | |
478 | __u->__ui = __src0_4; | |
479 | __u = __extension__ ((void *) __u + 3); | |
480 | break; | |
481 | case 5: | |
482 | __u->__ui = __src0_4; | |
483 | __u = __extension__ ((void *) __u + 4); | |
484 | __u->__uc = '\0'; | |
485 | break; | |
486 | case 6: | |
487 | __u->__ui = __src0_4; | |
488 | __u = __extension__ ((void *) __u + 4); | |
489 | __u->__usi = __src4_2; | |
490 | __u = __extension__ ((void *) __u + 1); | |
491 | break; | |
492 | case 7: | |
493 | __u->__ui = __src0_4; | |
494 | __u = __extension__ ((void *) __u + 4); | |
495 | __u->__usi = __src4_2; | |
496 | __u = __extension__ ((void *) __u + 2); | |
497 | __u->__uc = '\0'; | |
498 | break; | |
499 | case 8: | |
500 | __u->__ui = __src0_4; | |
501 | __u = __extension__ ((void *) __u + 4); | |
502 | __u->__ui = __src4_4; | |
503 | __u = __extension__ ((void *) __u + 3); | |
504 | break; | |
505 | } | |
506 | return &__u->__c; | |
507 | } | |
508 | ||
509 | # else | |
510 | ||
511 | char * | |
512 | __old_stpcpy_small (char *__dest, | |
513 | __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, | |
514 | __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5, | |
515 | __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7, | |
516 | __STRING2_COPY_ARR8 __src8, size_t __srclen) | |
517 | { | |
518 | union { | |
519 | char __c; | |
520 | __STRING2_COPY_ARR2 __sca2; | |
521 | __STRING2_COPY_ARR3 __sca3; | |
522 | __STRING2_COPY_ARR4 __sca4; | |
523 | __STRING2_COPY_ARR5 __sca5; | |
524 | __STRING2_COPY_ARR6 __sca6; | |
525 | __STRING2_COPY_ARR7 __sca7; | |
526 | __STRING2_COPY_ARR8 __sca8; | |
527 | } *__u = (void *) __dest; | |
528 | switch ((unsigned int) __srclen) | |
529 | { | |
530 | case 1: | |
531 | __u->__c = '\0'; | |
532 | break; | |
533 | case 2: | |
534 | __extension__ __u->__sca2 = __src2; | |
535 | break; | |
536 | case 3: | |
537 | __extension__ __u->__sca3 = __src3; | |
538 | break; | |
539 | case 4: | |
540 | __extension__ __u->__sca4 = __src4; | |
541 | break; | |
542 | case 5: | |
543 | __extension__ __u->__sca5 = __src5; | |
544 | break; | |
545 | case 6: | |
546 | __extension__ __u->__sca6 = __src6; | |
547 | break; | |
548 | case 7: | |
549 | __extension__ __u->__sca7 = __src7; | |
550 | break; | |
551 | case 8: | |
552 | __extension__ __u->__sca8 = __src8; | |
553 | break; | |
554 | } | |
555 | return __dest + __srclen - 1; | |
556 | } | |
557 | # endif | |
558 | compat_symbol (libc, __old_stpcpy_small, __stpcpy_small, GLIBC_2_1_1); | |
559 | ||
d3496c9f | 560 | #endif |