Merge commit 'dec0d4ec4153bf9fc2b78ae6c2df45b6ea8dde7a' as 'external/sdl/SDL'

2023-07-25 22:27:55 +02:00
parent b38ea75e56 dec0d4ec41
commit b8e444eaa8
1663 changed files with 627495 additions and 0 deletions
--- a/external/sdl/SDL/src/misc/unix/SDL_sysurl.c
+++ b/external/sdl/SDL/src/misc/unix/SDL_sysurl.c
@@ -0,0 +1,85 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2023 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"
+
+#include "../SDL_sysurl.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <errno.h>
+#ifdef USE_POSIX_SPAWN
+#include <spawn.h>
+extern char **environ;
+#endif
+
+int SDL_SYS_OpenURL(const char *url)
+{
+    const pid_t pid1 = fork();
+    if (pid1 == 0) { /* child process */
+#ifdef USE_POSIX_SPAWN
+        pid_t pid2;
+        const char *args[] = { "xdg-open", url, NULL };
+        /* Clear LD_PRELOAD so Chrome opens correctly when this application is launched by Steam */
+        unsetenv("LD_PRELOAD");
+        if (posix_spawnp(&pid2, args[0], NULL, NULL, (char **)args, environ) == 0) {
+            /* Child process doesn't wait for possibly-blocking grandchild. */
+            _exit(EXIT_SUCCESS);
+        } else {
+            _exit(EXIT_FAILURE);
+        }
+#else
+        pid_t pid2;
+        /* Clear LD_PRELOAD so Chrome opens correctly when this application is launched by Steam */
+        unsetenv("LD_PRELOAD");
+        /* Notice this is vfork and not fork! */
+        pid2 = vfork();
+        if (pid2 == 0) { /* Grandchild process will try to launch the url */
+            execlp("xdg-open", "xdg-open", url, NULL);
+            _exit(EXIT_FAILURE);
+        } else if (pid2 < 0) { /* There was an error forking */
+            _exit(EXIT_FAILURE);
+        } else {
+            /* Child process doesn't wait for possibly-blocking grandchild. */
+            _exit(EXIT_SUCCESS);
+        }
+#endif /* USE_POSIX_SPAWN */
+    } else if (pid1 < 0) {
+        return SDL_SetError("fork() failed: %s", strerror(errno));
+    } else {
+        int status;
+        if (waitpid(pid1, &status, 0) == pid1) {
+            if (WIFEXITED(status)) {
+                if (WEXITSTATUS(status) == 0) {
+                    return 0; /* success! */
+                } else {
+                    return SDL_SetError("xdg-open reported error or failed to launch: %d", WEXITSTATUS(status));
+                }
+            } else {
+                return SDL_SetError("xdg-open failed for some reason");
+            }
+        } else {
+            return SDL_SetError("Waiting on xdg-open failed: %s", strerror(errno));
+        }
+    }
+}