strlcat.c revision 7c2fbfb345896881c631598ee3852ce9ce33fb07
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner/***********************************************************************
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* This software is part of the ast package *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Copyright (c) 1985-2008 AT&T Intellectual Property *
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner* and is licensed under the *
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner* Common Public License, Version 1.0 *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* by AT&T Intellectual Property *
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner* *
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin* A copy of the License is available at *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* http://www.opensource.org/licenses/cpl1.0.txt *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Information and Software Systems Research *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* AT&T Research *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Florham Park NJ *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Glenn Fowler <gsf@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* David Korn <dgk@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Phong Vo <kpv@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin***********************************************************************/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#pragma prototyped
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/*
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * strlcat implementation
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#define strlcat ______strlcat
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#include <ast.h>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#undef strlcat
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#undef _def_map_ast
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#include <ast_map.h>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#if _lib_strlcat
NoN(strlcat)
#else
/*
* append at t onto s limiting total size of s to n
* s 0 terminated if n>0
* min(n,strlen(s))+strlen(t) returned
*/
#if defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern size_t
strlcat(register char* s, register const char* t, register size_t n)
{
const char* o = t;
if (n)
{
while (--n && *s)
s++;
if (n)
do
{
if (!--n)
{
*s = 0;
break;
}
} while (*s++ = *t++);
else
*s = 0;
}
if (!n)
while (*t++);
return t - o - 1;
}
#endif