wtc%google.com 311c53b8e7 Bug 716564 - update licence to MPL 2. r=gerv.
git-svn-id: svn://10.0.0.236/trunk@263881 18797224-902f-48f8-a5cc-f745e15eee43
2012-05-31 21:54:55 +00:00

57 lines
1.2 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "plstr.h"
#include <string.h>
PR_IMPLEMENT(char *)
PL_strchr(const char *s, char c)
{
if( (const char *)0 == s ) return (char *)0;
return strchr(s, c);
}
PR_IMPLEMENT(char *)
PL_strrchr(const char *s, char c)
{
if( (const char *)0 == s ) return (char *)0;
return strrchr(s, c);
}
PR_IMPLEMENT(char *)
PL_strnchr(const char *s, char c, PRUint32 n)
{
if( (const char *)0 == s ) return (char *)0;
for( ; n && *s; s++, n-- )
if( *s == c )
return (char *)s;
if( ((char)0 == c) && (n > 0) && ((char)0 == *s) ) return (char *)s;
return (char *)0;
}
PR_IMPLEMENT(char *)
PL_strnrchr(const char *s, char c, PRUint32 n)
{
const char *p;
if( (const char *)0 == s ) return (char *)0;
for( p = s; n && *p; p++, n-- )
;
if( ((char)0 == c) && (n > 0) && ((char)0 == *p) ) return (char *)p;
for( p--; p >= s; p-- )
if( *p == c )
return (char *)p;
return (char *)0;
}