1 files changed, 113 insertions, 0 deletions
diff --git a/osdep/path-win.c b/osdep/path-win.c
new file mode 100644
index 0000000..bddf5a5
--- /dev/null
+++ b/osdep/path-win.c
@@ -0,0 +1,113 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <windows.h>
+#include <shlobj.h>
+#include <knownfolders.h>
+
+#include "options/path.h"
+#include "osdep/io.h"
+#include "osdep/path.h"
+#include "osdep/threads.h"
+
+// Warning: do not use PATH_MAX. Cygwin messed it up.
+
+static mp_once path_init_once = MP_STATIC_ONCE_INITIALIZER;
+
+static char *portable_path;
+
+static char *mp_get_win_exe_dir(void *talloc_ctx)
+{
+    wchar_t w_exedir[MAX_PATH + 1] = {0};
+
+    int len = (int)GetModuleFileNameW(NULL, w_exedir, MAX_PATH);
+    int imax = 0;
+    for (int i = 0; i < len; i++) {
+        if (w_exedir[i] == '\\') {
+            w_exedir[i] = '/';
+            imax = i;
+        }
+    }
+
+    w_exedir[imax] = '\0';
+
+    return mp_to_utf8(talloc_ctx, w_exedir);
+}
+
+static char *mp_get_win_exe_subdir(void *ta_ctx, const char *name)
+{
+    return talloc_asprintf(ta_ctx, "%s/%s", mp_get_win_exe_dir(ta_ctx), name);
+}
+
+static char *mp_get_win_shell_dir(void *talloc_ctx, REFKNOWNFOLDERID folder)
+{
+    wchar_t *w_appdir = NULL;
+
+    if (FAILED(SHGetKnownFolderPath(folder, KF_FLAG_CREATE, NULL, &w_appdir)))
+        return NULL;
+
+    char *appdir = mp_to_utf8(talloc_ctx, w_appdir);
+    CoTaskMemFree(w_appdir);
+    return appdir;
+}
+
+static char *mp_get_win_app_dir(void *talloc_ctx)
+{
+    char *path = mp_get_win_shell_dir(talloc_ctx, &FOLDERID_RoamingAppData);
+    return path ? mp_path_join(talloc_ctx, path, "mpv") : NULL;
+}
+
+static char *mp_get_win_local_app_dir(void *talloc_ctx)
+{
+    char *path = mp_get_win_shell_dir(talloc_ctx, &FOLDERID_LocalAppData);
+    return path ? mp_path_join(talloc_ctx, path, "mpv") : NULL;
+}
+
+static void path_init(void)
+{
+    void *tmp = talloc_new(NULL);
+    char *path = mp_get_win_exe_subdir(tmp, "portable_config");
+    if (path && mp_path_exists(path))
+        portable_path = talloc_strdup(NULL, path);
+    talloc_free(tmp);
+}
+
+const char *mp_get_platform_path_win(void *talloc_ctx, const char *type)
+{
+    mp_exec_once(&path_init_once, path_init);
+    if (portable_path) {
+        if (strcmp(type, "home") == 0)
+            return portable_path;
+        if (strcmp(type, "cache") == 0)
+            return mp_path_join(talloc_ctx, portable_path, "cache");
+    } else {
+        if (strcmp(type, "home") == 0)
+            return mp_get_win_app_dir(talloc_ctx);
+        if (strcmp(type, "cache") == 0)
+            return mp_path_join(talloc_ctx, mp_get_win_local_app_dir(talloc_ctx), "cache");
+        if (strcmp(type, "state") == 0)
+            return mp_get_win_local_app_dir(talloc_ctx);
+        if (strcmp(type, "exe_dir") == 0)
+            return mp_get_win_exe_dir(talloc_ctx);
+        // Not really true, but serves as a way to return a lowest-priority dir.
+        if (strcmp(type, "global") == 0)
+            return mp_get_win_exe_subdir(talloc_ctx, "mpv");
+    }
+    if (strcmp(type, "desktop") == 0)
+        return mp_get_win_shell_dir(talloc_ctx, &FOLDERID_Desktop);
+    return NULL;
+}