old data

2025-08-25 09:50:30 +08:00
parent bd0e31e922
commit 1359ff4ecc
1630 changed files with 738486 additions and 2399 deletions
@@ -0,0 +1,116 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_FILESYSTEM_EMSCRIPTEN
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+// System dependent filesystem routines
+
+#include "../SDL_sysfilesystem.h"
+
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <emscripten/emscripten.h>
+
+char *SDL_SYS_GetBasePath(void)
+{
+    return SDL_strdup("/");
+}
+
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
+{
+    const char *append = "/libsdl/";
+    char *result;
+    char *ptr = NULL;
+    size_t len = 0;
+
+    if (!app) {
+        SDL_InvalidParamError("app");
+        return NULL;
+    }
+    if (!org) {
+        org = "";
+    }
+
+    len = SDL_strlen(append) + SDL_strlen(org) + SDL_strlen(app) + 3;
+    result = (char *)SDL_malloc(len);
+    if (!result) {
+        return NULL;
+    }
+
+    if (*org) {
+        SDL_snprintf(result, len, "%s%s/%s/", append, org, app);
+    } else {
+        SDL_snprintf(result, len, "%s%s/", append, app);
+    }
+
+    for (ptr = result + 1; *ptr; ptr++) {
+        if (*ptr == '/') {
+            *ptr = '\0';
+            if (mkdir(result, 0700) != 0 && errno != EEXIST) {
+                goto error;
+            }
+            *ptr = '/';
+        }
+    }
+
+    if (mkdir(result, 0700) != 0 && errno != EEXIST) {
+    error:
+        SDL_SetError("Couldn't create directory '%s': '%s'", result, strerror(errno));
+        SDL_free(result);
+        return NULL;
+    }
+
+    return result;
+}
+
+char *SDL_SYS_GetUserFolder(SDL_Folder folder)
+{
+    const char *home = NULL;
+
+    if (folder != SDL_FOLDER_HOME) {
+        SDL_SetError("Emscripten only supports the home folder");
+        return NULL;
+    }
+
+    home = SDL_getenv("HOME");
+    if (!home) {
+        SDL_SetError("No $HOME environment variable available");
+        return NULL;
+    }
+
+    char *result = SDL_malloc(SDL_strlen(home) + 2);
+    if (!result) {
+        return NULL;
+    }
+
+    if (SDL_snprintf(result, SDL_strlen(home) + 2, "%s/", home) < 0) {
+        SDL_SetError("Couldn't snprintf home path for Emscripten: %s", home);
+        SDL_free(result);
+        return NULL;
+    }
+
+    return result;
+}
+
+#endif // SDL_FILESYSTEM_EMSCRIPTEN