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/*
Unix SMB/Netbios implementation.
Version 1.9.
snprintf replacement
Copyright (C) Andrew Tridgell 1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
extern int DEBUGLEVEL;
int vslprintf(char *str, int n, char *format, va_list ap)
{
#ifdef HAVE_VSNPRINTF
int ret = vsnprintf(str, n, format, ap);
if (ret >= 0) str[ret] = 0;
return ret;
#else
static char *buf;
static int len;
static int pagesize;
int ret;
if (!len || !buf || (len-pagesize) < n) {
pagesize = getpagesize();
len = (2+(n/pagesize))*pagesize;
/* note: we don't free the old memory (if any) as we don't
want a malloc lib to reuse the memory as it will
have the wrong permissions */
buf = memalign(pagesize, len);
if (buf) {
if (mprotect(buf+(len-pagesize), pagesize, PROT_READ) != 0) {
exit(1);
return -1;
}
}
}
if (!buf) {
exit(1);
}
ret = vsprintf(str, format, ap);
/* we will have got a seg fault here if we overflowed the buffer */
return ret;
#endif
}
#ifdef __STDC__
int slprintf(char *str, int n, char *format, ...)
{
#else
int slprintf(va_alist)
va_dcl
{
char *str, *format;
int n;
#endif
va_list ap;
int ret;
#ifdef __STDC__
va_start(ap, format);
#else
va_start(ap);
str = va_arg(ap,char *);
n = va_arg(ap,int);
format = va_arg(ap,char *);
#endif
ret = vslprintf(str,n,format,ap);
va_end(ap);
return ret;
}
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