* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
166 lines
3.7 KiB
C
166 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
|
|
__RCSID("$NetBSD: posix_spawn_fileactions.c,v 1.2 2012/04/08 11:27:44 martin Exp $");
|
|
|
|
#include "namespace.h"
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sched.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <spawn.h>
|
|
|
|
#define MIN_SIZE 16
|
|
|
|
/*
|
|
* File descriptor actions
|
|
*/
|
|
|
|
int
|
|
posix_spawn_file_actions_init(posix_spawn_file_actions_t *fa)
|
|
{
|
|
if (fa == NULL)
|
|
return (-1);
|
|
|
|
fa->fae = malloc(MIN_SIZE * sizeof(struct posix_spawn_file_actions_entry));
|
|
if (fa->fae == NULL)
|
|
return (-1);
|
|
fa->size = MIN_SIZE;
|
|
fa->len = 0;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *fa)
|
|
{
|
|
unsigned int i;
|
|
|
|
if (fa == NULL)
|
|
return (-1);
|
|
|
|
for (i = 0; i < fa->len; i++) {
|
|
if (fa->fae[i].fae_action == FAE_OPEN)
|
|
free(fa->fae[i].fae_path);
|
|
}
|
|
|
|
free(fa->fae);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
posix_spawn_file_actions_getentry(posix_spawn_file_actions_t *fa)
|
|
{
|
|
if (fa == NULL)
|
|
return -1;
|
|
|
|
if (fa->len < fa->size)
|
|
return fa->len;
|
|
|
|
fa->fae = realloc(fa->fae, (fa->size + MIN_SIZE) *
|
|
sizeof(struct posix_spawn_file_actions_entry));
|
|
|
|
if (fa->fae == NULL)
|
|
return -1;
|
|
|
|
fa->size += MIN_SIZE;
|
|
|
|
return fa->len;
|
|
}
|
|
|
|
int
|
|
posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict fa,
|
|
int fildes, const char * __restrict path, int oflag, mode_t mode)
|
|
{
|
|
int i, error;
|
|
|
|
if (fildes < 0)
|
|
return (EBADF);
|
|
|
|
i = posix_spawn_file_actions_getentry(fa);
|
|
if (i < 0)
|
|
return (ENOMEM);
|
|
|
|
fa->fae[i].fae_action = FAE_OPEN;
|
|
fa->fae[i].fae_path = strdup(path);
|
|
if (fa->fae[i].fae_path == NULL) {
|
|
error = errno;
|
|
return (error);
|
|
}
|
|
fa->fae[i].fae_fildes = fildes;
|
|
fa->fae[i].fae_oflag = oflag;
|
|
fa->fae[i].fae_mode = mode;
|
|
|
|
fa->len++;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa,
|
|
int fildes, int newfildes)
|
|
{
|
|
int i;
|
|
|
|
if (fildes < 0 || newfildes < 0)
|
|
return (EBADF);
|
|
|
|
i = posix_spawn_file_actions_getentry(fa);
|
|
if (i < 0)
|
|
return (ENOMEM);
|
|
|
|
fa->fae[i].fae_action = FAE_DUP2;
|
|
fa->fae[i].fae_fildes = fildes;
|
|
fa->fae[i].fae_newfildes = newfildes;
|
|
fa->len++;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *fa,
|
|
int fildes)
|
|
{
|
|
int i;
|
|
|
|
if (fildes < 0)
|
|
return (EBADF);
|
|
|
|
i = posix_spawn_file_actions_getentry(fa);
|
|
if (i < 0)
|
|
return (ENOMEM);
|
|
|
|
fa->fae[i].fae_action = FAE_CLOSE;
|
|
fa->fae[i].fae_fildes = fildes;
|
|
fa->len++;
|
|
|
|
return (0);
|
|
}
|