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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
commit | 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch) | |
tree | f63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /lib/sh/strcasecmp.c | |
parent | Initial commit. (diff) | |
download | bash-upstream/5.2.15.tar.xz bash-upstream/5.2.15.zip |
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/sh/strcasecmp.c')
-rw-r--r-- | lib/sh/strcasecmp.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/sh/strcasecmp.c b/lib/sh/strcasecmp.c new file mode 100644 index 0000000..70d0551 --- /dev/null +++ b/lib/sh/strcasecmp.c @@ -0,0 +1,84 @@ +/* strcasecmp.c - functions for case-insensitive string comparison. */ + +/* Copyright (C) 1995 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash 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. + + Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <config.h> + +#if !defined (HAVE_STRCASECMP) + +#include <stdc.h> +#include <bashansi.h> +#include <chartypes.h> + +/* Compare at most COUNT characters from string1 to string2. Case + doesn't matter. */ +int +strncasecmp (string1, string2, count) + const char *string1; + const char *string2; + size_t count; +{ + register const char *s1; + register const char *s2; + register int r; + + if (count <= 0 || (string1 == string2)) + return 0; + + s1 = string1; + s2 = string2; + do + { + if ((r = TOLOWER ((unsigned char) *s1) - TOLOWER ((unsigned char) *s2)) != 0) + return r; + if (*s1++ == '\0') + break; + s2++; + } + while (--count != 0); + + return (0); +} + +/* strcmp (), but caseless. */ +int +strcasecmp (string1, string2) + const char *string1; + const char *string2; +{ + register const char *s1; + register const char *s2; + register int r; + + s1 = string1; + s2 = string2; + + if (s1 == s2) + return (0); + + while ((r = TOLOWER ((unsigned char)*s1) - TOLOWER ((unsigned char)*s2)) == 0) + { + if (*s1++ == '\0') + return 0; + s2++; + } + + return (r); +} +#endif /* !HAVE_STRCASECMP */ |