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Diffstat (limited to 'file.c')
| -rw-r--r-- | file.c | 138 |
1 files changed, 138 insertions, 0 deletions
@@ -0,0 +1,138 @@ +/* + * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr> + * + * 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. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * 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 THE COPYRIGHT HOLDER 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/stat.h> + +#include <limits.h> +#include <stdlib.h> +#include <string.h> + +#include "config.h" +#include "file.h" +#include "url.h" +#include "util.h" + +void +file_free(struct file * file) +{ + if (file == NULL) + return; + + if (file->path != NULL) { + free(file->path); + file->path = NULL; + } + if (file->name != NULL) { + free(file->name); + file->name = NULL; + } + if (file->action_url != NULL) { + free(file->action_url); + file->action_url = NULL; + } + free(file); +} + +static bool +ext_cmp(char *ext, char **ext_list) +{ + int i; + + for (i = 0; ext_list[i] != NULL; i++) { + if (strcmp(ext, ext_list[i]) == 0) + return true; + } + + return false; +} + +static bool +find_type(struct file * f) +{ + char *ext; + char *video_ext[] = {"mp4", "mkv", "avi", NULL}; + char *audio_ext[] = {"mp3", "flac", "aac", NULL}; + char *text_ext[] = {"txt", "doc", "docx", "odt", NULL}; + char path[PATH_MAX]; + struct stat sb; + size_t path_len; + + path_len = url_build(path, PATH_MAX, DATA_DIR, f->path, f->name, NULL); + if (path_len == 0 || path_len >= PATH_MAX) + return false; + + if (stat(path, &sb) != 0) + return false; + + f->is_dir = S_ISDIR(sb.st_mode); + + ext = strrchr(f->name, '.'); + if (!ext || ext == f->name) { + f->type = OTHER; + return true; + } + ext++; + if (ext_cmp(ext, audio_ext)) + f->type = AUDIO; + else if (ext_cmp(ext, video_ext)) + f->type = VIDEO; + else if (ext_cmp(ext, text_ext)) + f->type = TEXT; + else + f->type = OTHER; + + return true; +} + +struct file * +file_new(char *dir, size_t dir_len, char *name, size_t name_len) +{ + struct file *file; + + file = (struct file *) calloc(1, sizeof(struct file)); + if (file == NULL) + return NULL; + + file->path = v_strcpy(dir, dir_len); + if (file->path == NULL) { + file_free(file); + return NULL; + } + file->name = v_strcpy(name, name_len); + if (file->name == NULL) { + file_free(file); + return NULL; + } + if (!find_type(file)) { + file_free(file); + return NULL; + } + return file; +} |