Fix bug in pd-vanilla implementation

timothyschoen · Sep 26, 2024 · 868250d · 868250d
1 parent e3a5acd
commit 868250d
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/Makefile b/Makefile
@@ -39,7 +39,7 @@ luaflags += -DLUA_USE_WINDOWS
 endef
 endif
 
-cflags = ${luaflags} -DPDLUA_VERSION="$(pdlua_version)" -fsanitize=address -g
+cflags = ${luaflags} -DPDLUA_VERSION="$(pdlua_version)"
 
 pdlua.class.sources := pdlua.c $(luasrc)
 pdlua.class.ldlibs := $(lualibs)

diff --git a/pdlua_gfx.h b/pdlua_gfx.h
@@ -812,7 +812,9 @@ static int start_paint(lua_State* L) {
     int layer = luaL_checknumber(L, 2);
     if(layer >= gfx->num_layers)
     {
-        gfx->layer_tags = resizebytes(gfx->layer_tags, sizeof(char*) * gfx->num_layers, sizeof(char*) * ++gfx->num_layers);
+        int new_num_layers = layer + 1;
+        gfx->layer_tags = resizebytes(gfx->layer_tags, sizeof(char*) * gfx->num_layers, sizeof(char*) * new_num_layers);
+        gfx->num_layers = new_num_layers;
         gfx->layer_tags[layer] = malloc(64);
         snprintf(gfx->layer_tags[layer], 64, ".l%i%lx", layer, (long)obj);
     }