Mercurial > gnulib
view lib/mbspcasecmp.c @ 40224:5d9b82ca550a
tests: Free allocated memory.
Reported by <deltatau@protonmail.com> via Assaf Gordon.
* tests/test-astrxfrm.c (main): Free allocated memory.
* tests/test-bitset.c (compare, check_attributes): Free allocated
bitsets.
* tests/test-filenamecat.c (main): Free allocated memory.
* tests/test-freadahead.c (main): Free allocated memory and close stdin.
* tests/test-freadptr.c (main): Likewise.
* tests/test-freadptr2.c (main): Free allocated memory.
* tests/test-freadseek.c (main): Likewise.
* tests/test-gc-arcfour.c (main): Close allocated context.
* tests/test-gc-arctwo.c (main): Likewise.
* tests/test-gc-des.c (main): Close all allocated contexts.
* tests/test-pipe-filter-gi1.c (main): Free allocated memory.
* tests/test-pipe-filter-ii1.c (main): Likewise.
* tests/test-posix_spawn_file_actions_addchdir.c (main): Destroy the
allocated file actions.
* tests/test-posix_spawn_file_actions_addclose.c (main): Likewise.
* tests/test-posix_spawn_file_actions_adddup2.c (main): Likewise.
* tests/test-posix_spawn_file_actions_addopen.c (main): Likewise.
* tests/test-sameacls.c (main): Free allocated memory and ACLs.
* tests/test-strfmon_l.c (main): Free allocated locales.
* tests/test-striconveh.c (main): Free allocated iconv_t objects.
* tests/uniconv/test-u8-conv-to-enc.c (main): Free allocated memory.
* tests/uniconv/test-u16-conv-to-enc.c (main): Likewise.
* tests/uniconv/test-u32-conv-to-enc.c (main): Likewise.
* tests/unistr/test-chr.h (main): Free input32.
* tests/unistr/test-strchr.h (test_strchr): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 10 Mar 2019 14:05:09 +0100 |
parents | b06060465f09 |
children |
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/* Case-insensitive string comparison function. Copyright (C) 1998-1999, 2005-2008, 2010-2019 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2007. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <config.h> /* Specification. */ #include <string.h> #include <ctype.h> #include "mbuiter.h" #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) /* Compare the initial segment of the character string STRING consisting of at most mbslen (PREFIX) characters with the character string PREFIX, ignoring case. If the two match, return a pointer to the first byte after this prefix in STRING. Otherwise, return NULL. Note: This function may, in multibyte locales, return non-NULL if STRING is of smaller length than PREFIX! */ char * mbspcasecmp (const char *string, const char *prefix) { /* This is essentially the same as mbsncasecmp (string, prefix, mbslen (prefix)) just with small optimizations. */ if (string == prefix) return (char *) (string + strlen (string)); /* Be careful not to look at the entire extent of STRING or PREFIX until needed. This is useful because when two strings differ, the difference is most often already in the very few first characters. */ if (MB_CUR_MAX > 1) { mbui_iterator_t iter1; mbui_iterator_t iter2; mbui_init (iter1, string); mbui_init (iter2, prefix); while (mbui_avail (iter1) && mbui_avail (iter2)) { int cmp = mb_casecmp (mbui_cur (iter1), mbui_cur (iter2)); if (cmp != 0) return NULL; mbui_advance (iter1); mbui_advance (iter2); } if (!mbui_avail (iter2)) /* PREFIX equals STRING or is terminated before STRING. */ return (char *) mbui_cur_ptr (iter1); else /* STRING terminated before PREFIX. */ return NULL; } else { const unsigned char *p1 = (const unsigned char *) string; const unsigned char *p2 = (const unsigned char *) prefix; unsigned char c1, c2; for (; ; p1++, p2++) { c1 = TOLOWER (*p1); c2 = TOLOWER (*p2); if (c2 == '\0' || c1 != c2) break; } if (c2 == '\0') /* PREFIX equals STRING or is terminated before STRING. */ return (char *) p1; else /* STRING terminated before PREFIX. */ return NULL; } }