Review custom allocators

src/raylib.h

@@ -106,6 +106,9 @@
 #ifndef RL_CALLOC
     #define RL_CALLOC(n,sz)     calloc(n,sz)
 #endif
+#ifndef RL_REALLOC
+    #define RL_REALLOC(n,sz)    realloc(n,sz)
+#endif
 #ifndef RL_FREE
     #define RL_FREE(p)          free(p)
 #endif

src/rlgl.h

@@ -82,6 +82,9 @@
     #ifndef RL_CALLOC
         #define RL_CALLOC(n,sz)     calloc(n,sz)
     #endif
+    #ifndef RL_REALLOC
+        #define RL_REALLOC(n,sz)    realloc(n,sz)
+    #endif
     #ifndef RL_FREE
         #define RL_FREE(p)          free(p)
     #endif
@@ -4482,7 +4485,7 @@ static int GenerateMipmaps(unsigned char *data, int baseWidth, int baseHeight)
     TraceLog(LOG_DEBUG, "Total mipmaps required: %i", mipmapCount);
     TraceLog(LOG_DEBUG, "Total size of data required: %i", size);
 
-    unsigned char *temp = realloc(data, size);
+    unsigned char *temp = RL_REALLOC(data, size);
 
     if (temp != NULL) data = temp;
     else TraceLog(LOG_WARNING, "Mipmaps required memory could not be allocated");

src/text.c

@@ -1431,7 +1431,7 @@ char *TextToUtf8(int *codepoints, int length)
     }
     
     // Resize memory to text length + string NULL terminator
-    text = realloc(text, size + 1);
+    text = RL_REALLOC(text, size + 1);
     
     return text;
 }

src/textures.c

@@ -115,7 +115,7 @@
 
     #define STBI_MALLOC RL_MALLOC
     #define STBI_FREE RL_FREE
-    #define STBI_REALLOC(p,newsz) realloc(p,newsz)
+    #define STBI_REALLOC RL_REALLOC
 
     #define STB_IMAGE_IMPLEMENTATION
     #include "external/stb_image.h"         // Required for: stbi_load_from_file()
@@ -1604,7 +1604,7 @@ void ImageMipmaps(Image *image)
 
     if (image->mipmaps < mipCount)
     {
-        void *temp = realloc(image->data, mipSize);
+        void *temp = RL_REALLOC(image->data, mipSize);
 
         if (temp != NULL)
         {