mirror of
https://git.code.sf.net/p/quake/quakeforge
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76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/*
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va.c
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varargs printf function
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include "QF/qtypes.h"
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#include "QF/sys.h"
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#include "QF/va.h"
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#include "compat.h"
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/*
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va
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does a varargs printf into a temp buffer, so I don't need to have
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varargs versions of all text functions.
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*/
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char *
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va (const char *fmt, ...)
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{
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va_list args;
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static char *string;
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int size;
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static int string_size;
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va_start (args, fmt);
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size = vsnprintf (string, string_size, fmt, args) + 1; // +1 for nul
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//printf ("size = %d\n", size);
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while (size <= 0 || size > string_size) {
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if (size > 0)
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string_size = (size + 1023) & ~1023; // 1k multiples
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else
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string_size += 1024;
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string = realloc (string, string_size);
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if (!string)
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Sys_Error ("console: could not allocate %d bytes\n",
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string_size);
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size = vsnprintf (string, string_size, fmt, args) + 1;
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//printf ("size = %d\n", size);
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}
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va_end (args);
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return string;
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}
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