diff options
Diffstat (limited to 'mpvcore/path.c')
| -rw-r--r-- | mpvcore/path.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/mpvcore/path.c b/mpvcore/path.c new file mode 100644 index 0000000000..50350be18c --- /dev/null +++ b/mpvcore/path.c @@ -0,0 +1,229 @@ +/* + * Get path to config dir/file. + * + * Return Values: + * Returns the pointer to the ALLOCATED buffer containing the + * zero terminated path string. This buffer has to be FREED + * by the caller. + * + * This file is part of MPlayer. + * + * MPlayer is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * MPlayer is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <errno.h> +#include "config.h" +#include "core/mp_msg.h" +#include "core/path.h" +#include "talloc.h" +#include "osdep/io.h" + +#if defined(__MINGW32__) +#include <windows.h> +#elif defined(__CYGWIN__) +#include <windows.h> +#include <sys/cygwin.h> +#endif + +#ifdef CONFIG_MACOSX_BUNDLE +#include "osdep/macosx_bundle.h" +#endif + + +typedef char *(*lookup_fun)(const char *); +static const lookup_fun config_lookup_functions[] = { + mp_find_user_config_file, +#ifdef CONFIG_MACOSX_BUNDLE + get_bundled_path, +#endif + mp_find_global_config_file, + NULL +}; + +char *mp_find_config_file(const char *filename) +{ + for (int i = 0; config_lookup_functions[i] != NULL; i++) { + char *path = config_lookup_functions[i](filename); + if (!path) continue; + + if (mp_path_exists(path)) + return path; + + talloc_free(path); + } + return NULL; +} + +char *mp_find_user_config_file(const char *filename) +{ + char *homedir = NULL, *buff = NULL; +#ifdef __MINGW32__ + static char *config_dir = "mpv"; +#else + static char *config_dir = ".mpv"; +#endif +#if defined(__MINGW32__) || defined(__CYGWIN__) + char *temp = NULL; + char exedir[260]; + /* Hack to get fonts etc. loaded outside of Cygwin environment. */ + int i, imax = 0; + int len = (int)GetModuleFileNameA(NULL, exedir, 260); + for (i = 0; i < len; i++) + if (exedir[i] == '\\') { + exedir[i] = '/'; + imax = i; + } + exedir[imax] = '\0'; + + if (filename) + temp = mp_path_join(NULL, bstr0(exedir), bstr0(filename)); + + if (temp && mp_path_exists(temp) && !mp_path_isdir(temp)) { + homedir = exedir; + config_dir = ""; + } + else +#endif + if ((homedir = getenv("MPV_HOME")) != NULL) { + config_dir = ""; + } else if ((homedir = getenv("HOME")) == NULL) { +#if defined(__MINGW32__) || defined(__CYGWIN__) + homedir = exedir; +#else + return NULL; +#endif + } +#if defined(__MINGW32__) || defined(__CYGWIN__) + talloc_free(temp); +#endif + + if (filename) { + char * temp = mp_path_join(NULL, bstr0(homedir), bstr0(config_dir)); + buff = mp_path_join(NULL, bstr0(temp), bstr0(filename)); + talloc_free(temp); + } else { + buff = mp_path_join(NULL, bstr0(homedir), bstr0(config_dir)); + } + + mp_msg(MSGT_GLOBAL, MSGL_V, "get_path('%s') -> '%s'\n", filename, buff); + return buff; +} + +char *mp_find_global_config_file(const char *filename) +{ + if (filename) { + return mp_path_join(NULL, bstr0(MPLAYER_CONFDIR), bstr0(filename)); + } else { + return talloc_strdup(NULL, MPLAYER_CONFDIR); + } +} + +char *mp_basename(const char *path) +{ + char *s; + +#if HAVE_DOS_PATHS + s = strrchr(path, '\\'); + if (s) + path = s + 1; + s = strrchr(path, ':'); + if (s) + path = s + 1; +#endif + s = strrchr(path, '/'); + return s ? s + 1 : (char *)path; +} + +struct bstr mp_dirname(const char *path) +{ + struct bstr ret = { + (uint8_t *)path, mp_basename(path) - path + }; + if (ret.len == 0) + return bstr0("."); + return ret; +} + +char *mp_splitext(const char *path, bstr *root) +{ + assert(path); + const char *split = strrchr(path, '.'); + if (!split) + split = path + strlen(path); + if (root) + *root = (bstr){.start = (char *)path, .len = path - split}; + return (char *)split; +} + +char *mp_path_join(void *talloc_ctx, struct bstr p1, struct bstr p2) +{ + if (p1.len == 0) + return bstrdup0(talloc_ctx, p2); + if (p2.len == 0) + return bstrdup0(talloc_ctx, p1); + +#if HAVE_DOS_PATHS + if (p2.len >= 2 && p2.start[1] == ':' + || p2.start[0] == '\\' || p2.start[0] == '/') +#else + if (p2.start[0] == '/') +#endif + return bstrdup0(talloc_ctx, p2); // absolute path + + bool have_separator; + int endchar1 = p1.start[p1.len - 1]; +#if HAVE_DOS_PATHS + have_separator = endchar1 == '/' || endchar1 == '\\' + || p1.len == 2 && endchar1 == ':'; // "X:" only +#else + have_separator = endchar1 == '/'; +#endif + + return talloc_asprintf(talloc_ctx, "%.*s%s%.*s", BSTR_P(p1), + have_separator ? "" : "/", BSTR_P(p2)); +} + +char *mp_getcwd(void *talloc_ctx) +{ + char *wd = talloc_array(talloc_ctx, char, 20); + while (getcwd(wd, talloc_get_size(wd)) == NULL) { + if (errno != ERANGE) { + talloc_free(wd); + return NULL; + } + wd = talloc_realloc(talloc_ctx, wd, char, talloc_get_size(wd) * 2); + } + return wd; +} + +bool mp_path_exists(const char *path) +{ + struct stat st; + return mp_stat(path, &st) == 0; +} + +bool mp_path_isdir(const char *path) +{ + struct stat st; + return mp_stat(path, &st) == 0 && S_ISDIR(st.st_mode); +} |