From 973cfb7058daa8109685631705742a4086295f29 Mon Sep 17 00:00:00 2001
From: dkeruza-neo <njdemichelis@gmail.com>
Date: Tue, 17 Feb 2026 22:51:30 -0500
Subject: [PATCH] refactor: delegate `strdup`'d command string buffer freeing
 to `compileShader` and remove a redundant free.

---
 docs/changelog                |  7 +++++++
 src/lindbergh/shaderPatches.c | 12 +++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/docs/changelog b/docs/changelog
index af9c7a6..f7bbdb2 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+
+## [2.1.3]
+### Added
+    - MJ4 Rev. A, MJ4 Rev. F and MJ4 Evolution Rev. B support.
+### Fixed
+    - Fixed a bug in the shader patching code that prevented the loader to compile shaders for non nVidia GPUs.
+
 ## [2.1.2]
 ### Added
     - Virtual Card file support for ID4 and ID5 (read the documentation).
diff --git a/src/lindbergh/shaderPatches.c b/src/lindbergh/shaderPatches.c
index 16843f1..25ce447 100644
--- a/src/lindbergh/shaderPatches.c
+++ b/src/lindbergh/shaderPatches.c
@@ -976,10 +976,10 @@ void glBindTexture(GLenum target, GLuint texture)
     }
 }
 
-int parseCgcArgs(const char *input, const char ***compilerArgs, const char **outputFileName)
+int parseCgcArgs(const char *input, const char ***compilerArgs, const char **outputFileName, char **bufferToFree)
 {
     char *inputCopy = strdup(input);
-    char *toFree = inputCopy;
+    *bufferToFree = inputCopy;
     char *token = strtok(inputCopy, " ");
     char **args = malloc(256 * sizeof(char *));
     int count = 0;
@@ -1014,7 +1014,6 @@ int parseCgcArgs(const char *input, const char ***compilerArgs, const char **out
     }
     (*compilerArgs)[argIndex] = NULL;
     free(args);
-    free(toFree);
     if (strcmp(profile, "vp40") == 0)
     {
         return 6150;
@@ -1215,9 +1214,9 @@ int compileWithCGC(char *command)
 {
     const char **compilerArgs = NULL;
     const char *outputFileName = NULL;
+    char *argsBuffer = NULL;
 
-    int profile = parseCgcArgs(command, &compilerArgs, &outputFileName);
-
+    int profile = parseCgcArgs(command, &compilerArgs, &outputFileName, &argsBuffer);
     size_t *ctx = _cgCreateContext();
 
     char *program = NULL;
@@ -1248,10 +1247,9 @@ int compileWithCGC(char *command)
 
     fprintf(outputFile, "%s", compiledSource);
     fclose(outputFile);
-
+    free(argsBuffer);
     _cgDestroyProgram(program);
     _cgDestroyContext(ctx);
-    free((void *)*compilerArgs);
     return 0;
 }