[apple/libc.git] / stdio / vasprintf-fbsd.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 1.18 2002/09/26 13:11:24 tjr Exp $");

#include "xlocale_private.h"

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

int
vasprintf(str, fmt, ap)
	char **str;
	const char *fmt;
	__va_list ap;
{
	int ret;
	FILE f;
	struct __sFILEX ext;

	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._extra = &ext;
	INITEXTRA(&f);
	ret = __vfprintf(&f, __current_locale(), 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(str, loc, fmt, ap)
	char **str;
	locale_t loc;
	const char *fmt;
	__va_list ap;
{
	int ret;
	FILE f;
	struct __sFILEX ext;

	NORMALIZE_LOCALE(loc);
	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._extra = &ext;
	INITEXTRA(&f);
	ret = __vfprintf(&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);
}
Commit	Line	Data
224c7076 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
	30	#include <sys/cdefs.h>
	31	__FBSDID("$FreeBSD: src/lib/libc/stdio/vasprintf.c,v 1.18 2002/09/26 13:11:24 tjr Exp $");
	32
	33	#include "xlocale_private.h"
	34
	35	#include <stdio.h>
	36	#include <stdlib.h>
	37	#include <errno.h>
	38	#include "local.h"
	39
	40	int
	41	vasprintf(str, fmt, ap)
	42	char **str;
	43	const char *fmt;
	44	__va_list ap;
	45	{
	46	int ret;
	47	FILE f;
	48	struct __sFILEX ext;
	49
	50	f._file = -1;
	51	f._flags = __SWR \| __SSTR \| __SALC;
	52	f._bf._base = f._p = (unsigned char *)malloc(128);
	53	if (f._bf._base == NULL) {
	54	*str = NULL;
	55	errno = ENOMEM;
	56	return (-1);
	57	}
	58	f._bf._size = f._w = 127; /* Leave room for the NUL */
	59	f._extra = &ext;
	60	INITEXTRA(&f);
	61	ret = __vfprintf(&f, __current_locale(), fmt, ap);
	62	if (ret < 0) {
	63	free(f._bf._base);
	64	*str = NULL;
65	errno = ENOMEM;
66	return (-1);
67	}
68	*f._p = '\0';
69	str = (char )f._bf._base;
70	return (ret);
71	}
72
73	int
74	vasprintf_l(str, loc, fmt, ap)
75	char **str;
76	locale_t loc;
77	const char *fmt;
78	__va_list ap;
79	{
80	int ret;
81	FILE f;
82	struct __sFILEX ext;
83
84	NORMALIZE_LOCALE(loc);
85	f._file = -1;
86	f._flags = __SWR \| __SSTR \| __SALC;
87	f._bf._base = f._p = (unsigned char *)malloc(128);
88	if (f._bf._base == NULL) {
89	*str = NULL;
90	errno = ENOMEM;
91	return (-1);
92	}
93	f._bf._size = f._w = 127; /* Leave room for the NUL */
94	f._extra = &ext;
95	INITEXTRA(&f);
96	ret = __vfprintf(&f, loc, fmt, ap);
97	if (ret < 0) {
98	free(f._bf._base);
99	*str = NULL;
100	errno = ENOMEM;
101	return (-1);
102	}
103	*f._p = '\0';
104	str = (char )f._bf._base;
105	return (ret);
106	}