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-rw-r--r--Build/source/texk/kpathsea/strstr.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/Build/source/texk/kpathsea/strstr.c b/Build/source/texk/kpathsea/strstr.c
deleted file mode 100644
index 4042c492872..00000000000
--- a/Build/source/texk/kpathsea/strstr.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* strstr.c - search for a substring in string.
-
- Copyright 2008, 2010 Karl Berry.
- Copyright 1994, 1995 Free Software Foundation, Inc.
- This file was part of the GNU C Library.
- Modified for kpathsea by Karl Berry.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this library; if not, see <http://www.gnu.org/licenses/>. */
-
-/*
- * 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 */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-typedef unsigned chartype;
-
-char *
-strstr (phaystack, pneedle)
- const char *phaystack;
- const char *pneedle;
-{
- register const unsigned char *haystack, *needle;
- register chartype b, c;
-
- haystack = (const unsigned char *) phaystack;
- needle = (const unsigned char *) pneedle;
-
- b = *needle;
- if (b != '\0')
- {
- haystack--; /* possible ANSI violation */
- do
- {
- c = *++haystack;
- if (c == '\0')
- goto ret0;
- }
- while (c != b);
-
- c = *++needle;
- if (c == '\0')
- goto foundneedle;
- ++needle;
- goto jin;
-
- for (;;)
- {
- register chartype a;
- register const unsigned char *rhaystack, *rneedle;
-
- do
- {
- a = *++haystack;
- if (a == '\0')
- goto ret0;
- if (a == b)
- break;
- a = *++haystack;
- if (a == '\0')
- goto ret0;
-shloop: ;
- }
- while (a != b);
-
-jin: a = *++haystack;
- if (a == '\0')
- goto ret0;
-
- if (a != c)
- goto shloop;
-
- rhaystack = haystack-- + 1;
- rneedle = needle;
- a = *rneedle;
-
- if (*rhaystack == a)
- do
- {
- if (a == '\0')
- goto foundneedle;
- ++rhaystack;
- a = *++needle;
- if (*rhaystack != a)
- break;
- if (a == '\0')
- goto foundneedle;
- ++rhaystack;
- a = *++needle;
- }
- while (*rhaystack == a);
-
- needle = rneedle; /* took the register-poor aproach */
-
- if (a == '\0')
- break;
- }
- }
-foundneedle:
- return (char*) haystack;
-ret0:
- return 0;
-}