Use _AL_ for private macros.

Author: billyquith

include/allegro5/internal/alconfig.h

@@ -225,21 +225,21 @@
 /* endian-independent 3-byte accessor macros */
 #ifdef ALLEGRO_LITTLE_ENDIAN
 
-   #define AL_READ3BYTES(p)  ((*(unsigned char *)(p))               \
-                              | (*((unsigned char *)(p) + 1) << 8)  \
-                              | (*((unsigned char *)(p) + 2) << 16))
+   #define _AL_READ3BYTES(p)   ((*(unsigned char *)(p))            \
+                             | (*((unsigned char *)(p) + 1) << 8)  \
+                             | (*((unsigned char *)(p) + 2) << 16))
 
-   #define AL_WRITE3BYTES(p,c)  ((*(unsigned char *)(p) = (c)),             \
+   #define _AL_WRITE3BYTES(p,c) ((*(unsigned char *)(p) = (c)),             \
                                  (*((unsigned char *)(p) + 1) = (c) >> 8),  \
                                  (*((unsigned char *)(p) + 2) = (c) >> 16))
 
 #elif defined ALLEGRO_BIG_ENDIAN
 
-   #define AL_READ3BYTES(p)  ((*(unsigned char *)(p) << 16)         \
-                              | (*((unsigned char *)(p) + 1) << 8)  \
-                              | (*((unsigned char *)(p) + 2)))
+   #define _AL_READ3BYTES(p)  ((*(unsigned char *)(p) << 16)       \
+                             | (*((unsigned char *)(p) + 1) << 8)  \
+                             | (*((unsigned char *)(p) + 2)))
 
-   #define AL_WRITE3BYTES(p,c)  ((*(unsigned char *)(p) = (c) >> 16),       \
+   #define _AL_WRITE3BYTES(p,c) ((*(unsigned char *)(p) = (c) >> 16),       \
                                  (*((unsigned char *)(p) + 1) = (c) >> 8),  \
                                  (*((unsigned char *)(p) + 2) = (c)))
 

src/memdraw.c

@@ -103,15 +103,15 @@ void _al_clear_bitmap_by_locking(ALLEGRO_BITMAP *bitmap, ALLEGRO_COLOR *color)
       }
 
       case 3: {
-         int pixel_value = AL_READ3BYTES(line_ptr);
+         int pixel_value = _AL_READ3BYTES(line_ptr);
          for (y = y1; y < y1 + h; y++) {
             unsigned char *data = (unsigned char *)line_ptr;
             if (pixel_value == 0) {    /* fast path */
                memset(data, 0, 3 * w);
             }
             else {
                for (x = 0; x < w; x++) {
-                  AL_WRITE3BYTES(data, pixel_value);
+                  _AL_WRITE3BYTES(data, pixel_value);
                   data += 3;
                }
             }