Apply asie's patch 2 for performance optimizations

This patch replaces the txt_printf with the public domain posprintf
library.

1 files changed, 7 insertions, 11 deletions

diff --git a/src/text.h b/src/text.h
index eb6149d..1142a73 100644
--- a/src/text.h
+++ b/src/text.h
@@ -250,17 +250,13 @@ txt_init_hybrid(TextMode mode, Font font, u32 *buf) {
 }
 
 // Print text to the screen with formatting.
-void
-txt_printf(char *msg, ...) {
-    va_list arg_list;
-    va_start(arg_list, msg);
-    char buf[512] = {0};
-    // TODO: This call pulls in malloc() and a bunch of other things.
-    // To reduce memory usage and filesize, it would be advisable
-    // to replace it with something simpler.
-    vsiprintf(buf, msg, arg_list);
-    txt_puts(buf);
-}
+
+#define txt_printf(msg, ...) \
+        { \
+                char buf[256] = {0}; \
+                posprintf(buf, msg, ##__VA_ARGS__); \
+                txt_puts(buf); \
+        }
 
 void
 txt_clear_line_tiled(void) {