gstreamer/gst/printf/printf.c

158 lines
3.2 KiB
C
Raw Normal View History

/* GLIB - Library of useful routines for C programming
* Copyright (C) 2003 Matthias Clasen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GLib Team and others 2003. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "gst-printf.h"
#include "vasnprintf.h"
#include "printf.h"
int
__gst_printf (char const *format, ...)
{
va_list args;
int retval;
va_start (args, format);
retval = __gst_vprintf (format, args);
va_end (args);
return retval;
}
int
__gst_fprintf (FILE * file, char const *format, ...)
{
va_list args;
int retval;
va_start (args, format);
retval = __gst_vfprintf (file, format, args);
va_end (args);
return retval;
}
int
__gst_sprintf (char *string, char const *format, ...)
{
va_list args;
int retval;
va_start (args, format);
retval = __gst_vsprintf (string, format, args);
va_end (args);
return retval;
}
int
__gst_snprintf (char *string, size_t n, char const *format, ...)
{
va_list args;
int retval;
va_start (args, format);
retval = __gst_vsnprintf (string, n, format, args);
va_end (args);
return retval;
}
int
__gst_vprintf (char const *format, va_list args)
{
return __gst_vfprintf (stdout, format, args);
}
int
__gst_vfprintf (FILE * file, char const *format, va_list args)
{
char *result;
size_t length;
result = vasnprintf (NULL, &length, format, args);
if (result == NULL)
return -1;
fwrite (result, 1, length, file);
free (result);
return length;
}
int
__gst_vsprintf (char *string, char const *format, va_list args)
{
char *result;
size_t length;
result = vasnprintf (NULL, &length, format, args);
if (result == NULL)
return -1;
memcpy (string, result, length + 1);
free (result);
return length;
}
int
__gst_vsnprintf (char *string, size_t n, char const *format, va_list args)
{
char *result;
size_t length;
result = vasnprintf (NULL, &length, format, args);
if (result == NULL)
return -1;
if (n > 0) {
memcpy (string, result, MIN (length + 1, n));
string[n - 1] = 0;
}
free (result);
return length;
}
int
__gst_vasprintf (char **result, char const *format, va_list args)
{
size_t length;
*result = vasnprintf (NULL, &length, format, args);
if (*result == NULL)
return -1;
return length;
}