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-rw-r--r--string/strcspn.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/string/strcspn.c b/string/strcspn.c
deleted file mode 100644
index 1035552a8e..0000000000
--- a/string/strcspn.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Copyright (C) 1991-2017 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 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.
-
- 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <string.h>
-#include <stdint.h>
-#include <libc-pointer-arith.h>
-
-#undef strcspn
-
-#ifndef STRCSPN
-# define STRCSPN strcspn
-#endif
-
-/* Return the length of the maximum initial segment of S
- which contains no characters from REJECT. */
-size_t
-STRCSPN (const char *str, const char *reject)
-{
- if (__glibc_unlikely (reject[0] == '\0') ||
- __glibc_unlikely (reject[1] == '\0'))
- return __strchrnul (str, reject [0]) - str;
-
- /* Use multiple small memsets to enable inlining on most targets. */
- unsigned char table[256];
- unsigned char *p = memset (table, 0, 64);
- memset (p + 64, 0, 64);
- memset (p + 128, 0, 64);
- memset (p + 192, 0, 64);
-
- unsigned char *s = (unsigned char*) reject;
- unsigned char tmp;
- do
- p[tmp = *s++] = 1;
- while (tmp);
-
- s = (unsigned char*) str;
- if (p[s[0]]) return 0;
- if (p[s[1]]) return 1;
- if (p[s[2]]) return 2;
- if (p[s[3]]) return 3;
-
- s = (unsigned char *) PTR_ALIGN_DOWN (s, 4);
-
- unsigned int c0, c1, c2, c3;
- do
- {
- s += 4;
- c0 = p[s[0]];
- c1 = p[s[1]];
- c2 = p[s[2]];
- c3 = p[s[3]];
- }
- while ((c0 | c1 | c2 | c3) == 0);
-
- size_t count = s - (unsigned char *) str;
- return (c0 | c1) != 0 ? count - c0 + 1 : count - c2 + 3;
-}
-libc_hidden_builtin_def (strcspn)