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asprintf: actually include asprintf.c

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Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin (Intel) 2018-12-13 21:56:41 -08:00
parent 26572c6e37
commit e3b4332643
1 changed files with 70 additions and 0 deletions
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nasmlib/asprintf.c Normal file
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/* ----------------------------------------------------------------------- *
*
* Copyright 1996-2018 The NASM Authors - All Rights Reserved
* See the file AUTHORS included with the NASM distribution for
* the specific copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ----------------------------------------------------------------------- */
#include "compiler.h"
#include "nasmlib.h"
#include "alloc.h"
char *nasm_vasprintf(const char *fmt, va_list ap)
{
#ifdef HAVE_VASPRINTF
char *strp;
int rv = vasprintf(&strp, fmt, ap);
if (rv < 0)
nasm_alloc_failed();
return strp;
#else
char *strp;
va_list xap;
int len;
va_copy(xap, ap);
len = vsnprintf(NULL, 0, fmt, xap);
va_end(xap);
strp = nasm_malloc(len+1);
vsnprintf(strp, len, fmt, ap);
return strp;
#endif
}
char *nasm_asprintf(const char *fmt, ...)
{
va_list ap;
char *strp;
va_start(ap, fmt);
strp = nasm_vasprintf(fmt, ap);
va_end(ap);
return strp;
}