fix: check fread return value in jar_mod_load_file (#5840)

BINDINGS.md

@@ -106,6 +106,7 @@ Some people ported raylib to other languages in the form of bindings or wrappers
 | [fnl-raylib](https://github.com/0riginaln0/fnl-raylib)                                   | **5.5**          | [Fennel](https://fennel-lang.org/)                                   | MIT                  |
 | [Rayua](https://github.com/uiua-lang/rayua)                                              | **5.5**          | [Uiua](https://www.uiua.org/)                                        | **???**              | 
 | [Target](https://github.com/FinnDemonCat/Target/tree/main/libs/raylib)                   | **5.5**          | [Dart](https://dart.dev/)                                            | Apache-2.0 license   | 
+| [gclang-raylib](https://github.com/gnuchanos/gcLang_Compiler/tree/main/windows_version/raylib_version)| **6.0**          | [gclang](https://github.com/gnuchanos/gcLang_Compiler)                                 | AGPL-3.0             |
 
 
 ### Utility Wrapers

src/external/jar_mod.h

@@ -1538,10 +1538,10 @@ mulong jar_mod_load_file(jar_mod_context_t * modctx, const char* filename)
             modctx->modfile = (muchar *) JARMOD_MALLOC(fsize);
             modctx->modfilesize = fsize;
             memset(modctx->modfile, 0, fsize);
-            fread(modctx->modfile, fsize, 1, f);
+            if(fread(modctx->modfile, fsize, 1, f) != 1) fsize = 0;
             fclose(f);
 
-            if(!jar_mod_load(modctx, (void *)modctx->modfile, fsize)) fsize = 0;
+            if(fsize && !jar_mod_load(modctx, (void *)modctx->modfile, fsize)) fsize = 0;
         } else fsize = 0;
     }
     return fsize;