diff options
Diffstat (limited to 'gnu/libexec/uucp/libuucp/strstr.c')
-rw-r--r-- | gnu/libexec/uucp/libuucp/strstr.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/gnu/libexec/uucp/libuucp/strstr.c b/gnu/libexec/uucp/libuucp/strstr.c deleted file mode 100644 index 2cf1097..0000000 --- a/gnu/libexec/uucp/libuucp/strstr.c +++ /dev/null @@ -1,55 +0,0 @@ -/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. - -The GNU C Library 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - -Suite 330, Boston, MA 02111-1307, USA. - -This file was modified slightly by Ian Lance Taylor, May 1992, for -Taylor UUCP. */ - -#include "uucp.h" - -/* Return the first ocurrence of NEEDLE in HAYSTACK. */ -char * -strstr (haystack, needle) - const char *const haystack; - const char *const needle; -{ - register const char *const needle_end = strchr(needle, '\0'); - register const char *const haystack_end = strchr(haystack, '\0'); - register const size_t needle_len = needle_end - needle; - register const size_t needle_last = needle_len - 1; - register const char *begin; - - if (needle_len == 0) - return (char *) haystack_end; - if ((size_t) (haystack_end - haystack) < needle_len) - return NULL; - - for (begin = &haystack[needle_last]; begin < haystack_end; ++begin) - { - register const char *n = &needle[needle_last]; - register const char *h = begin; - do - if (*h != *n) - goto loop; - while (--n >= needle && --h >= haystack); - - return (char *) h; - loop:; - } - - return NULL; -} |