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/*
* Copyright (C) 2015 - 2018, IBEROXARXA SERVICIOS INTEGRALES, S.L.
* Copyright (C) 2015 - 2018, Jaume Olivé Petrus (jolive@whitecatboard.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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* * The WHITECAT logotype cannot be changed, you can remove it, but you
* cannot change it in any way. The WHITECAT logotype is:
*
* /\ /\
* / \_____/ \
* /_____________\
* W H I T E C A T
*
* * Redistributions in binary form must retain all copyright notices printed
* to any local or remote output device. This include any reference to
* Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
* appear in the future.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 <COPYRIGHT HOLDER> 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.
*
* Lua RTOS, chdir implementation
*
*/
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
#include <unistd.h>
//#include <sys/mount.h>
#include <sys/fcntl.h>
char currdir[PATH_MAX + 1] = "/";
int chdir(const char *path) {
struct stat statb;
if (!path) {
errno = EFAULT;
return -1;
}
if (!*path) {
errno = ENOENT;
return -1;
}
char *npath = mount_normalize_path(path);
if (stat(npath, &statb) || !S_ISDIR(statb.st_mode)) {
free(npath);
errno = ENOTDIR;
return -1;
}
strncpy(currdir, npath, PATH_MAX);
free(npath);
return 0;
}
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