xserver-multidpi/os/xprintf.c

105 lines
2.6 KiB
C

/*
* printf routines which xalloc their buffer
*/
/*
* Copyright (c) 2004 Alexander Gottwald
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the sale,
* use or other dealings in this Software without prior written authorization.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/Xos.h>
#include "os.h"
#include <stdarg.h>
#include <stdio.h>
#ifndef va_copy
# ifdef __va_copy
# define va_copy __va_copy
# else
# error "no working va_copy was found"
# endif
#endif
char *
Xvprintf(const char *format, va_list va)
{
char *ret;
int size;
va_list va2;
va_copy(va2, va);
size = vsnprintf(NULL, 0, format, va2);
va_end(va2);
ret = (char *)Xalloc(size + 1);
if (ret == NULL)
return NULL;
vsnprintf(ret, size + 1, format, va);
ret[size] = 0;
return ret;
}
char *Xprintf(const char *format, ...)
{
char *ret;
va_list va;
va_start(va, format);
ret = Xvprintf(format, va);
va_end(va);
return ret;
}
char *
XNFvprintf(const char *format, va_list va)
{
char *ret;
int size;
va_list va2;
va_copy(va2, va);
size = vsnprintf(NULL, 0, format, va2);
va_end(va2);
ret = (char *)XNFalloc(size + 1);
if (ret == NULL)
return NULL;
vsnprintf(ret, size + 1, format, va);
ret[size] = 0;
return ret;
}
char *XNFprintf(const char *format, ...)
{
char *ret;
va_list va;
va_start(va, format);
ret = XNFvprintf(format, va);
va_end(va);
return ret;
}