diff options
Diffstat (limited to 'libiot')
| -rw-r--r-- | libiot/sys/chdir.c | 85 | ||||
| -rw-r--r-- | libiot/sys/getcwd.c | 91 | ||||
| -rw-r--r-- | libiot/sys/mkfile | 2 |
3 files changed, 178 insertions, 0 deletions
diff --git a/libiot/sys/chdir.c b/libiot/sys/chdir.c new file mode 100644 index 0000000..872a37e --- /dev/null +++ b/libiot/sys/chdir.c @@ -0,0 +1,85 @@ +/* + * 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; +} diff --git a/libiot/sys/getcwd.c b/libiot/sys/getcwd.c new file mode 100644 index 0000000..8ba2fd2 --- /dev/null +++ b/libiot/sys/getcwd.c @@ -0,0 +1,91 @@ +/* + * 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 getcwd + * + */ + +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <errno.h> +#include <fcntl.h> + +//#include <sys/mount.h> + +extern char currdir[]; + +char *getcwd(char *buff, size_t size) { + if ((buff == NULL) || ((buff != NULL) && (size == 0))) { + errno = EINVAL; + return NULL; + } + + if (strlen(currdir) + 1 > PATH_MAX) { + errno = ENAMETOOLONG; + return NULL; + } + + if (size < strlen(currdir) + 1) { + errno = ERANGE; + return NULL; + } + + char *pt = buff; + *pt = '\0'; + + if (*currdir != '/') { + *pt++ = '/'; + *pt = '\0'; + } + + strcat(pt, currdir); + + return pt; +} + +char *realpath(const char *path, char *resolved) { + strcpy(resolved, path); + + return resolved; +} diff --git a/libiot/sys/mkfile b/libiot/sys/mkfile index 6eafd7a..3f47cff 100644 --- a/libiot/sys/mkfile +++ b/libiot/sys/mkfile @@ -3,3 +3,5 @@ OFILES=\ sys/panic.$O\ sys/mutex.$O\ sys/list.$O\ + sys/chdir.$O\ + sys/getcwd.$O\ |