From 167d5e33fcb821e51e2f9dcf460591737c3c7972 Mon Sep 17 00:00:00 2001 From: "Peter S. Mazinger" Date: Tue, 3 Jan 2006 14:50:18 +0000 Subject: Complete split of all the string functions. Hope haven't broken too much. wcscoll/strcoll needs some love ... --- libc/string/strcasestr.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 libc/string/strcasestr.c (limited to 'libc/string/strcasestr.c') diff --git a/libc/string/strcasestr.c b/libc/string/strcasestr.c new file mode 100644 index 000000000..320430ce6 --- /dev/null +++ b/libc/string/strcasestr.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2002 Manuel Novoa III + * Copyright (C) 2000-2005 Erik Andersen + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include "_string.h" +#include + +char attribute_hidden *__strcasestr(const char *s1, const char *s2) +{ + register const char *s = s1; + register const char *p = s2; + +#if 1 + do { + if (!*p) { + return (char *) s1;; + } + if ((*p == *s) + || (tolower(*((unsigned char *)p)) == tolower(*((unsigned char *)s))) + ) { + ++p; + ++s; + } else { + p = s2; + if (!*s) { + return NULL; + } + s = ++s1; + } + } while (1); +#else + while (*p && *s) { + if ((*p == *s) + || (tolower(*((unsigned char *)p)) == tolower(*((unsigned char *)s))) + ) { + ++p; + ++s; + } else { + p = s2; + s = ++s1; + } + } + + return (*p) ? NULL : (char *) s1; +#endif +} + +strong_alias(__strcasestr,strcasestr) -- cgit v1.2.3