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author | jdp <jdp@FreeBSD.org> | 1998-03-01 22:58:51 +0000 |
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committer | jdp <jdp@FreeBSD.org> | 1998-03-01 22:58:51 +0000 |
commit | 2cbd0590cd191c81b59e94970f4c40c371f9e415 (patch) | |
tree | b7676f996414b979dcbb7de92a3e86b97320d023 /contrib/binutils/libiberty/strstr.c | |
download | FreeBSD-src-2cbd0590cd191c81b59e94970f4c40c371f9e415.zip FreeBSD-src-2cbd0590cd191c81b59e94970f4c40c371f9e415.tar.gz |
Initial import of GNU binutils version 2.8.1. Believe it or not,
this is heavily stripped down.
Diffstat (limited to 'contrib/binutils/libiberty/strstr.c')
-rw-r--r-- | contrib/binutils/libiberty/strstr.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/binutils/libiberty/strstr.c b/contrib/binutils/libiberty/strstr.c new file mode 100644 index 0000000..fab36e3 --- /dev/null +++ b/contrib/binutils/libiberty/strstr.c @@ -0,0 +1,51 @@ +/* Simple implementation of strstr for systems without it. + This function is in the public domain. */ + +/* + +NAME + + strstr -- locate first occurance of a substring + +SYNOPSIS + + #include <string.h> + + char *strstr (char *s1, char *s2) + +DESCRIPTION + + Locates the first occurance in the string pointed to by S1 of + the string pointed to by S2. Returns a pointer to the substring + found, or a NULL pointer if not found. If S2 points to a string + with zero length, the function returns S1. + +BUGS + +*/ + + +/* FIXME: The above description is ANSI compiliant. This routine has not + been validated to comply with it. -fnf */ + +char * +strstr (s1, s2) + char *s1, *s2; +{ + register char *p = s1; + extern char *strchr (); + extern int strncmp (); +#if __GNUC__==2 + extern __SIZE_TYPE__ strlen (); +#endif + register int len = strlen (s2); + + for (; (p = strchr (p, *s2)) != 0; p++) + { + if (strncmp (p, s2, len) == 0) + { + return (p); + } + } + return (0); +} |