summaryrefslogtreecommitdiff
path: root/wcsmbs/wcswcs.c
diff options
context:
space:
mode:
Diffstat (limited to 'wcsmbs/wcswcs.c')
-rw-r--r--wcsmbs/wcswcs.c97
1 files changed, 0 insertions, 97 deletions
diff --git a/wcsmbs/wcswcs.c b/wcsmbs/wcswcs.c
deleted file mode 100644
index 4b1f2ace54..0000000000
--- a/wcsmbs/wcswcs.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* Copyright (C) 1995 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., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-/*
- * The original strstr() file contains the following comment:
- *
- * My personal strstr() implementation that beats most other algorithms.
- * Until someone tells me otherwise, I assume that this is the
- * fastest implementation of strstr() in C.
- * I deliberately chose not to comment it. You should have at least
- * as much fun trying to understand it, as I had to write it :-).
- *
- * Stephen R. van den Berg, berg@pool.informatik.rwth-aachen.de */
-
-#include <wcstr.h>
-
-wchar_t *
-wcswcs (haystack, needle)
- const wchar_t *haystack;
- const wchar_t *needle;
-{
- register wchar_t b, c;
-
- if ((b = *needle) != L'\0')
- {
- haystack--; /* possible ANSI violation */
- do
- if ((c = *++haystack) == L'\0')
- goto ret0;
- while (c != b);
-
- if (!(c = *++needle))
- goto foundneedle;
- ++needle;
- goto jin;
-
- for (;;)
- {
- register wchar_t a;
- register const wchar_t *rhaystack, *rneedle;
-
- do
- {
- if (!(a = *++haystack))
- goto ret0;
- if (a == b)
- break;
- if ((a = *++haystack) == L'\0')
- goto ret0;
-shloop: ;
- }
- while (a != b);
-
-jin: if (!(a = *++haystack))
- goto ret0;
-
- if (a != c)
- goto shloop;
-
- if (*(rhaystack = haystack-- + 1) == (a = *(rneedle = needle)))
- do
- {
- if (a == L'\0')
- goto foundneedle;
- if (*++rhaystack != (a = *++needle))
- break;
- if (a == L'\0')
- goto foundneedle;
- }
- while (*++rhaystack == (a = *++needle));
-
- needle=rneedle; /* took the register-poor approach */
-
- if (a == L'\0')
- break;
- }
- }
-foundneedle:
- return (wchar_t*)haystack;
-ret0:
- return NULL;
-}