aboutsummaryrefslogtreecommitdiff
path: root/string/strncmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'string/strncmp.c')
-rw-r--r--string/strncmp.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/string/strncmp.c b/string/strncmp.c
deleted file mode 100644
index 1adb2c0ebd..0000000000
--- a/string/strncmp.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* Copyright (C) 1991, 1996, 1997, 2003 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <string.h>
-#include <memcopy.h>
-
-#undef strncmp
-
-/* Compare no more than N characters of S1 and S2,
- returning less than, equal to or greater than zero
- if S1 is lexicographically less than, equal to or
- greater than S2. */
-int
-strncmp (s1, s2, n)
- const char *s1;
- const char *s2;
- size_t n;
-{
- unsigned reg_char c1 = '\0';
- unsigned reg_char c2 = '\0';
-
- if (n >= 4)
- {
- size_t n4 = n >> 2;
- do
- {
- c1 = (unsigned char) *s1++;
- c2 = (unsigned char) *s2++;
- if (c1 == '\0' || c1 != c2)
- return c1 - c2;
- c1 = (unsigned char) *s1++;
- c2 = (unsigned char) *s2++;
- if (c1 == '\0' || c1 != c2)
- return c1 - c2;
- c1 = (unsigned char) *s1++;
- c2 = (unsigned char) *s2++;
- if (c1 == '\0' || c1 != c2)
- return c1 - c2;
- c1 = (unsigned char) *s1++;
- c2 = (unsigned char) *s2++;
- if (c1 == '\0' || c1 != c2)
- return c1 - c2;
- } while (--n4 > 0);
- n &= 3;
- }
-
- while (n > 0)
- {
- c1 = (unsigned char) *s1++;
- c2 = (unsigned char) *s2++;
- if (c1 == '\0' || c1 != c2)
- return c1 - c2;
- n--;
- }
-
- return c1 - c2;
-}
-libc_hidden_builtin_def (strncmp)