mirror of
https://git.proxmox.com/git/mirror_zfs
synced 2025-11-04 03:00:20 +00:00
e64cc4954c
This is a step toward being able to vendor the OpenZFS code in FreeBSD. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Closes #10625
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
|
|
* 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
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
/*
|
|
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/string.h>
|
|
#include <sys/kmem.h>
|
|
#include <machine/stdarg.h>
|
|
|
|
#define IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
|
|
|
|
#define IS_ALPHA(c) \
|
|
(((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
|
|
|
|
char *
|
|
strpbrk(const char *s, const char *b)
|
|
{
|
|
const char *p;
|
|
|
|
do {
|
|
for (p = b; *p != '\0' && *p != *s; ++p)
|
|
;
|
|
if (*p != '\0')
|
|
return ((char *)s);
|
|
} while (*s++);
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Convert a string into a valid C identifier by replacing invalid
|
|
* characters with '_'. Also makes sure the string is nul-terminated
|
|
* and takes up at most n bytes.
|
|
*/
|
|
void
|
|
strident_canon(char *s, size_t n)
|
|
{
|
|
char c;
|
|
char *end = s + n - 1;
|
|
|
|
if ((c = *s) == 0)
|
|
return;
|
|
|
|
if (!IS_ALPHA(c) && c != '_')
|
|
*s = '_';
|
|
|
|
while (s < end && ((c = *(++s)) != 0)) {
|
|
if (!IS_ALPHA(c) && !IS_DIGIT(c) && c != '_')
|
|
*s = '_';
|
|
}
|
|
*s = 0;
|
|
}
|
|
|
|
/*
|
|
* Do not change the length of the returned string; it must be freed
|
|
* with strfree().
|
|
*/
|
|
char *
|
|
kmem_asprintf(const char *fmt, ...)
|
|
{
|
|
int size;
|
|
va_list adx;
|
|
char *buf;
|
|
|
|
va_start(adx, fmt);
|
|
size = vsnprintf(NULL, 0, fmt, adx) + 1;
|
|
va_end(adx);
|
|
|
|
buf = kmem_alloc(size, KM_SLEEP);
|
|
|
|
va_start(adx, fmt);
|
|
(void) vsnprintf(buf, size, fmt, adx);
|
|
va_end(adx);
|
|
|
|
return (buf);
|
|
}
|
|
|
|
void
|
|
kmem_strfree(char *str)
|
|
{
|
|
ASSERT(str != NULL);
|
|
kmem_free(str, strlen(str) + 1);
|
|
}
|