alexhudson
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
static const char version[] = "$Id: sprintf.c,v 1.4 2005/12/15 22:05:09 rbyrne Exp $";
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/*
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* Copyright 2001-2003, Meiosys (www.meiosys.com). All rights reserved.
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*
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* See the COPYING file for the terms of usage and distribution.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <sd/sprintf.h>
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#include <sd/malloc.h>
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#include <sd/sd_xplatform.h>
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/******************************************************************************/
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extern char* sd_sprintf(const char* a_fmt, ...)
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{
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char* buffer;
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va_list args;
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va_start(args, a_fmt);
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buffer = sd_vsprintf(a_fmt, args);
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va_end(args);
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return buffer;
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}
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/******************************************************************************/
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extern char* sd_vsprintf(const char* a_fmt, va_list a_args)
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{
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int size = 1024;
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char* buffer = sd_calloc(size, sizeof(char));
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while (1) {
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int n = vsnprintf(buffer, size, a_fmt, a_args);
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/* If that worked, return */
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if (n > -1 && n < size)
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return buffer;
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/* Else try again with more space. */
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if (n > -1) /* ISO/IEC 9899:1999 */
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size = n + 1;
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else /* twice the old size */
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size *= 2;
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buffer = sd_realloc(buffer, size);
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}
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}
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#if defined(__osf__)
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# ifndef snprintf
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# include "sprintf.osf.c"
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# endif
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#endif
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