added functions to case-insensitively compare strings that might be NULL

[rocksndiamonds.git] / src / libgame / system.h

diff --git a/src/libgame/system.h b/src/libgame/system.h
index f5b2967e5ffc5345b042c15a29fe5ac7e713422c..8ebd43dca41d15a869e75c98871f6ed1000c3636 100644 (file)
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -22,6 +22,8 @@
 #include "windows.h"
 #elif defined(PLATFORM_ANDROID)
 #include "android.h"
+#elif defined(PLATFORM_EMSCRIPTEN)
+#include "emscripten.h"
 #endif
 
 #include "sdl.h"
@@ -774,6 +776,11 @@
 #define NUM_BASE_TREE_TYPES    4
 #define NUM_TREE_TYPES         6
 
+#define TREE_TYPE_IS_DIR(type) ((type) == TREE_TYPE_GRAPHICS_DIR ||    \
+                                (type) == TREE_TYPE_SOUNDS_DIR ||      \
+                                (type) == TREE_TYPE_MUSIC_DIR ||       \
+                                (type) == TREE_TYPE_LEVEL_DIR)
+
 #define INFOTEXT_UNDEFINED     ""
 #define INFOTEXT_GRAPHICS_DIR  "Custom Graphics"
 #define INFOTEXT_SOUNDS_DIR    "Custom Sounds"