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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "libuutil_common.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void *
uu_zalloc(size_t n)
{
void *p = malloc(n);
if (p == NULL) {
uu_set_error(UU_ERROR_SYSTEM);
return (NULL);
}
(void) memset(p, 0, n);
return (p);
}
void
uu_free(void *p)
{
free(p);
}
char *
uu_strdup(const char *str)
{
char *buf = NULL;
if (str != NULL) {
size_t sz;
sz = strlen(str) + 1;
buf = uu_zalloc(sz);
if (buf != NULL)
(void) memcpy(buf, str, sz);
}
return (buf);
}
char *
uu_msprintf(const char *format, ...)
{
va_list args;
char attic[1];
uint_t M, m;
char *b;
va_start(args, format);
M = vsnprintf(attic, 1, format, args);
va_end(args);
for (;;) {
m = M;
if ((b = uu_zalloc(m + 1)) == NULL)
return (NULL);
va_start(args, format);
M = vsnprintf(b, m + 1, format, args);
va_end(args);
if (M == m)
break; /* sizes match */
uu_free(b);
}
return (b);
}
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