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Merge branch 'linux-libspl' into refs/top-bases/linux-zfs-branch

This commit is contained in:
Brian Behlendorf 2008-12-10 14:02:03 -08:00
parent 349fa9891f 7fdedffcfd
commit 8d3fc10b21
3 changed files with 124 additions and 0 deletions
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54
zfs/lib/libspl/getexecname.c Normal file
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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include <limits.h>
const char *
getexecname(void)
{
static char execname[PATH_MAX + 1];
/* Must be MT-safe */
static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_lock(&mtx);
if (strlen(execname) == 0) {
ssize_t rc = readlink("/proc/self/exe", execname, sizeof(execname - 1));
if (rc == -1) {
execname[0] = '\0';
pthread_mutex_unlock(&mtx);
return NULL;
} else
execname[rc] = '\0';
}
pthread_mutex_unlock(&mtx);
return execname;
}

34
zfs/lib/libspl/include/stdlib.h Normal file
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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SOL_STDLIB_H
#define _SOL_STDLIB_H
#include_next <stdlib.h>
extern const char *getexecname(void);
#endif

36
zfs/lib/libspl/include/string.h Normal file
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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SOL_STRING_H
#define _SOL_STRING_H
#include_next <string.h>
extern size_t strlcat(char *dst, const char *src, size_t dstsize);
extern size_t strlcpy(char *dst, const char *src, size_t len);
extern size_t strnlen(const char *str, size_t maxlen);
#endif