REDESIGNED: GetFileNameWithoutExt()

Removed possible memory leak when using this function

src/core.c

@@ -180,15 +180,14 @@
 
         //#define GLFW_EXPOSE_NATIVE_COCOA      // WARNING: Fails due to type redefinition
         #include <GLFW/glfw3native.h>   // Required for: glfwGetCocoaWindow()
-
     #endif
 #endif
 
 #if defined(__linux__)
-        #include <linux/limits.h> // for NAME_MAX and PATH_MAX defines
-        #define MAX_FILEPATH_LENGTH PATH_MAX // Use Linux define (4096)
+    #include <linux/limits.h>               // for NAME_MAX and PATH_MAX defines
+    #define MAX_FILEPATH_LENGTH PATH_MAX    // Use Linux define (4096)
 #else
-        #define MAX_FILEPATH_LENGTH 256 // Use common value
+    #define MAX_FILEPATH_LENGTH     512     // Use common value
 #endif
 
 #if defined(PLATFORM_ANDROID)
@@ -1676,37 +1675,26 @@ const char *GetFileName(const char *filePath)
 // Get filename string without extension (memory should be freed)
 const char *GetFileNameWithoutExt(const char *filePath)
 {
-    char *result, *lastDot, *lastSep;
-
-    char nameDot = '.';     // Default filename to extension separator character
-    char pathSep = '/';     // Default filepath separator character
-
-    // Error checks and allocate string
-    if (filePath == NULL) return NULL;
-
-    // Try to allocate new string, same size as original
-    // NOTE: By default strlen() does not count the '\0' character
-    if ((result = (char *)malloc(strlen(filePath) + 1)) == NULL) return NULL;
-
-    strcpy(result, filePath);   // Make a copy of the string
-
-    // NOTE: strrchr() returns a pointer to the last occurrence of character
-    lastDot = strrchr(result, nameDot);
-    lastSep = (pathSep == 0)? NULL : strrchr(result, pathSep);
-
-    if (lastDot != NULL)            // Check if it has an extension separator...
+    #define MAX_FILENAMEWITHOUTEXT_LENGTH   64
+    
+    static char fileName[MAX_FILENAMEWITHOUTEXT_LENGTH];
+    memset(fileName, 0, MAX_FILENAMEWITHOUTEXT_LENGTH);
+    
+    strcpy(fileName, GetFileName(filePath));   // Get filename with extension
+    
+    int len = strlen(fileName);
+    
+    for (int i = 0; (i < len) && (i < MAX_FILENAMEWITHOUTEXT_LENGTH); i++)
     {
-        if (lastSep != NULL)        // ...and it's before the extenstion separator...
+        if (fileName[i] == '.')
         {
-            if (lastSep < lastDot)
-            {
-                *lastDot = '\0';    // ...then remove it
-            }
+            // NOTE: We break on first '.' found
+            fileName[i] = '\0';
+            break;
         }
-        else *lastDot = '\0';       // Has extension separator with no path separator
     }
 
-    return result;                  // Return the modified string
+    return fileName;
 }
 
 // Get directory for a given fileName (with path)