[apple/libc.git] / stdio / FreeBSD / vasprintf.c

/*	$OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $	*/

/*
 * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/stdio/vasprintf.c,v 1.19 2008/04/17 22:17:54 jhb Exp $");

#include "xlocale_private.h"

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "local.h"

__private_extern__ int
_vasprintf(printf_comp_t __restrict pc, printf_domain_t __restrict domain, char ** __restrict str, locale_t __restrict loc, const char * __restrict fmt, __va_list ap)
{
	int ret;
	FILE f;
	struct __sFILEX ext;
	f._extra = &ext;
	INITEXTRA(&f);
	
	f._file = -1;
	f._flags = __SWR | __SSTR | __SALC;
	f._bf._base = f._p = (unsigned char *)malloc(128);
	if (f._bf._base == NULL) {
		*str = NULL;
		errno = ENOMEM;
		return (-1);
	}
	f._bf._size = f._w = 127;		/* Leave room for the NUL */
	f._orientation = 0;
	memset(&f._mbstate, 0, sizeof(mbstate_t));
	ret = __v2printf(pc, domain, &f, loc, fmt, ap);
	if (ret < 0) {
		free(f._bf._base);
		*str = NULL;
		errno = ENOMEM;
		return (-1);
	}
	*f._p = '\0';
	*str = (char *)f._bf._base;
	return (ret);
}

int
vasprintf_l(char ** __restrict str, locale_t __restrict loc, const char * __restrict fmt, __va_list ap)
{
	return _vasprintf(XPRINTF_PLAIN, NULL, str, loc, fmt, ap);
}

int
vasprintf(char ** __restrict str, const char * __restrict fmt, __va_list ap)
{
	return _vasprintf(XPRINTF_PLAIN, NULL, str, __current_locale(), fmt, ap);
}
Commit	Line	Data
5b2abdfb A	1	/* $OpenBSD: vasprintf.c,v 1.4 1998/06/21 22:13:47 millert Exp $ */
	2
	3	/*
	4	* Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. The name of the author may not be used to endorse or promote products
	16	* derived from this software without specific prior written permission.
	17	*
	18	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	19	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	20	* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
	21	* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	22	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	23	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	24	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	25	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	26	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	27	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	28	*/
	29
9385eb3d	30	#include <sys/cdefs.h>
1f2f436a	31	__FBSDID("$FreeBSD: src/lib/libc/stdio/vasprintf.c,v 1.19 2008/04/17 22:17:54 jhb Exp $");
5b2abdfb	32
ad3c9f2a A	33	#include "xlocale_private.h"
ad3c9f2a A	34
5b2abdfb A	35	#include <stdio.h>
	36	#include <stdlib.h>
	37	#include <errno.h>
9385eb3d	38	#include "local.h"
5b2abdfb	39
6465356a A	40	__private_extern__ int
6465356a A	41	_vasprintf(printf_comp_t __restrict pc, printf_domain_t __restrict domain, char ** __restrict str, locale_t __restrict loc, const char * __restrict fmt, __va_list ap)
5b2abdfb A	42	{
	43	int ret;
	44	FILE f;
ad3c9f2a A	45	struct __sFILEX ext;
	46	f._extra = &ext;
	47	INITEXTRA(&f);
	48
5b2abdfb A	49	f._file = -1;
	50	f._flags = __SWR \| __SSTR \| __SALC;
	51	f._bf._base = f._p = (unsigned char *)malloc(128);
	52	if (f._bf._base == NULL) {
	53	*str = NULL;
	54	errno = ENOMEM;
	55	return (-1);
	56	}
9385eb3d	57	f._bf._size = f._w = 127; /* Leave room for the NUL */
1f2f436a A	58	f._orientation = 0;
1f2f436a A	59	memset(&f._mbstate, 0, sizeof(mbstate_t));
6465356a	60	ret = __v2printf(pc, domain, &f, loc, fmt, ap);
9385eb3d A	61	if (ret < 0) {
	62	free(f._bf._base);
	63	*str = NULL;
5b2abdfb	64	errno = ENOMEM;
9385eb3d	65	return (-1);
5b2abdfb	66	}
9385eb3d	67	*f._p = '\0';
5b2abdfb A	68	str = (char )f._bf._base;
	69	return (ret);
	70	}
ad3c9f2a A	71
ad3c9f2a A	72	int
6465356a A	73	vasprintf_l(char ** __restrict str, locale_t __restrict loc, const char * __restrict fmt, __va_list ap)
	74	{
	75	return _vasprintf(XPRINTF_PLAIN, NULL, str, loc, fmt, ap);
	76	}
	77
	78	int
	79	vasprintf(char ** __restrict str, const char * __restrict fmt, __va_list ap)
ad3c9f2a	80	{
6465356a	81	return _vasprintf(XPRINTF_PLAIN, NULL, str, __current_locale(), fmt, ap);
ad3c9f2a	82	}