gecko-dev/nsprpub/lib/libc/src/strcat.c

55 строки
1.1 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_strcat(char *dest, const char *src)
{
if( ((char *)0 == dest) || ((const char *)0 == src) ) {
return dest;
}
return strcat(dest, src);
}
PR_IMPLEMENT(char *)
PL_strncat(char *dest, const char *src, PRUint32 max)
{
char *rv;
if( ((char *)0 == dest) || ((const char *)0 == src) || (0 == max) ) {
return dest;
}
for( rv = dest; *dest; dest++ )
;
(void)PL_strncpy(dest, src, max);
return rv;
}
PR_IMPLEMENT(char *)
PL_strcatn(char *dest, PRUint32 max, const char *src)
{
char *rv;
PRUint32 dl;
if( ((char *)0 == dest) || ((const char *)0 == src) ) {
return dest;
}
for( rv = dest, dl = 0; *dest; dest++, dl++ )
;
if( max <= dl ) {
return rv;
}
(void)PL_strncpyz(dest, src, max-dl);
return rv;
}