initial commit, 4.5 stable

thirdparty/sdl/SDL_error_c.h

@@ -0,0 +1,61 @@
+/*
+  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"
+
+/* This file defines a structure that carries language-independent
+   error messages
+*/
+
+#ifndef SDL_error_c_h_
+#define SDL_error_c_h_
+
+typedef enum
+{
+    SDL_ErrorCodeNone,
+    SDL_ErrorCodeGeneric,
+    SDL_ErrorCodeOutOfMemory,
+} SDL_ErrorCode;
+
+typedef struct SDL_error
+{
+    SDL_ErrorCode error;
+    char *str;
+    size_t len;
+    SDL_realloc_func realloc_func;
+    SDL_free_func free_func;
+} SDL_error;
+
+// Defined in SDL_thread.c
+extern SDL_error *SDL_GetErrBuf(bool create);
+
+// Macros to save and restore error values
+#define SDL_PushError() \
+    char *saved_error = SDL_strdup(SDL_GetError())
+
+#define SDL_PopError()                          \
+    do {                                        \
+        if (saved_error) {                      \
+            SDL_SetError("%s", saved_error);    \
+            SDL_free(saved_error);              \
+        }                                       \
+    } while (0)
+
+#endif // SDL_error_c_h_