mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-10 16:48:21 +00:00
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
|
|
KVMGFX Client - A KVM Client for VGA Passthrough
|
|
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
|
|
https://looking-glass.hostfission.com
|
|
|
|
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., 59 Temple
|
|
Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
|
|
static int valloc_sprintf(char ** str, const char * format, va_list ap)
|
|
{
|
|
if (!str)
|
|
return -1;
|
|
|
|
*str = NULL;
|
|
|
|
va_list ap1;
|
|
va_copy(ap1, ap);
|
|
int len = vsnprintf(NULL, 0, format, ap1);
|
|
va_end(ap1);
|
|
|
|
if (len < 0)
|
|
return len;
|
|
|
|
*str = malloc(len+1);
|
|
|
|
int ret = vsnprintf(*str, len + 1, format, ap);
|
|
if (ret < 0)
|
|
{
|
|
free(*str);
|
|
*str = NULL;
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int alloc_sprintf(char ** str, const char * format, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
int ret = valloc_sprintf(str, format, ap);
|
|
va_end(ap);
|
|
return ret;
|
|
} |