mirror of
https://sourceware.org/git/glibc.git
synced 2025-07-28 00:21:52 +03:00
2.5-18.1
This commit is contained in:
47
string/strcmp.c
Normal file
47
string/strcmp.c
Normal file
@ -0,0 +1,47 @@
|
||||
/* 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 strcmp
|
||||
|
||||
/* Compare 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
|
||||
strcmp (p1, p2)
|
||||
const char *p1;
|
||||
const char *p2;
|
||||
{
|
||||
register const unsigned char *s1 = (const unsigned char *) p1;
|
||||
register const unsigned char *s2 = (const unsigned char *) p2;
|
||||
unsigned reg_char c1, c2;
|
||||
|
||||
do
|
||||
{
|
||||
c1 = (unsigned char) *s1++;
|
||||
c2 = (unsigned char) *s2++;
|
||||
if (c1 == '\0')
|
||||
return c1 - c2;
|
||||
}
|
||||
while (c1 == c2);
|
||||
|
||||
return c1 - c2;
|
||||
}
|
||||
libc_hidden_builtin_def (strcmp)
|
Reference in New Issue
Block a user