guard the malloc and debug defines into implementation block

Author: lowfatcode

examples/c/geometry.c

@@ -25,15 +25,15 @@ void blend_tile(const pp_tile_t *t) {
   }
 
   // draw border of tile for debugging
-  colour box = create_colour(160, 180, 200, 150);
+  /*colour box = create_colour(160, 180, 200, 150);
   for(int32_t x = t->x; x < t->x + t->w; x++) {     
     buffer[t->y][x] = blend(buffer[t->y][x], box);
     buffer[t->y + t->h][x] = blend(buffer[t->y + t->h][x], box);
   }
   for(int32_t y = t->y; y < t->y + t->h; y++) {
     buffer[y][t->x] = blend(buffer[y][t->x], box);
     buffer[y][t->x + t->w] = blend(buffer[y][t->x + t->w], box);
-  }
+  }*/
 }
 
 

pretty-poly.h

@@ -36,12 +36,6 @@
 #include <math.h>
 #include <stdbool.h>
 
-#ifndef PP_MALLOC
-#define PP_MALLOC(size)         malloc(size)
-#define PP_REALLOC(p, size)     realloc(p, size)
-#define PP_FREE(p)              free(p)
-#endif
-
 #ifndef PP_COORD_TYPE
 #define PP_COORD_TYPE float
 #endif
@@ -63,12 +57,6 @@
 #include "hardware/interp.h"
 #endif
 
-#ifdef PP_DEBUG
-#define debug(...) printf(__VA_ARGS__)
-#else
-#define debug(...)
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -145,6 +133,18 @@ pp_rect_t pp_polygon_bounds(pp_poly_t *p);
 
 #ifdef PP_IMPLEMENTATION
 
+#ifndef PP_MALLOC
+#define PP_MALLOC(size)         malloc(size)
+#define PP_REALLOC(p, size)     realloc(p, size)
+#define PP_FREE(p)              free(p)
+#endif
+
+#ifdef PP_DEBUG
+#define debug(...) printf(__VA_ARGS__)
+#else
+#define debug(...)
+#endif
+
 pp_rect_t           _pp_clip = (pp_rect_t){-INT_MAX, -INT_MAX, INT_MAX, INT_MAX};
 pp_tile_callback_t  _pp_tile_callback = NULL;
 pp_antialias_t      _pp_antialias = PP_AA_X4;
@@ -437,7 +437,7 @@ pp_rect_t render_nodes(pp_rect_t *tb) {
 
     unsigned char* row_data = &tile_buffer[(y >> _pp_antialias) * PP_TILE_BUFFER_SIZE];
 
-    for(int i = 0; i < node_counts[y]; i += 2) {
+    for(uint32_t i = 0; i < node_counts[y]; i += 2) {
       int sx = nodes[y][i + 0];
       int ex = nodes[y][i + 1];