move twr_register_callback to twr-crt.h

Author: twiddlingbits

examples/lib/testex.c

@@ -1,7 +1,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include "twr-library.h"
+#include "twr-crt.h"
 #include "twr-ex.h"
 
 // This example shows how to create a twrWasmLibrary

examples/lib/twr-library.h

@@ -1,4 +1,5 @@
 #include "pong-menu.h"
+#include "twr-crt.h"  // twr_register_callback
 
 // #define CANVAS_WIDTH 600
 // #define CANVAS_HEIGHT 600
@@ -10,9 +11,6 @@ static int ANIMATION_LOOP_EVENT_ID = -1;
 static int KEY_DOWN_EVENT_ID = -1;
 static int KEY_UP_EVENT_ID = -1;
 extern "C" {
-   __attribute__((import_name("twr_register_callback")))
-   int twr_register_callback(const char* func_name);
-
    __attribute__((import_name("registerKeyUpEvent")))
    void register_key_up_event(int event_id);
 

examples/pong/entry-point.cpp

@@ -1,15 +1,14 @@
 #include <twr-audio.h>
+#include "twr-crt.h"  // twr_register_callback
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdarg.h>
 #include <math.h>
 
+
 __attribute__((import_name("clearIODiv"))) 
 void clearIODiv();
 
-__attribute__((import_name("twr_register_callback")))
-int twr_register_callback(const char* func_name);
-
 #define CHANNELS 2
 #define SAMPLE_RATE 48000
 #define SECONDS 3

examples/tests-audio/tests-audio.c

@@ -57,8 +57,12 @@ __attribute__((import_name("twrTimeEpoch"))) uint64_t twr_epoch_timems(void);
 __attribute__((import_name("twr_timer_single_shot"))) int twr_timer_single_shot(int milliSeconds, int eventID);
 __attribute__((import_name("twr_timer_repeat"))) int twr_timer_repeat(int milliSeconds, int eventID);
 __attribute__((import_name("twr_timer_cancel"))) void twr_timer_cancel(int timerID);
-void twr_tofixed(char* buffer, int buffer_size, double value, int dec_digits);
-void twr_toexponential(char* buffer, int buffer_size, double value, int dec_digits);
+
+// does not use locale information; it always uses . (a dot) as the decimal separator.
+__attribute__((import_name("twrToFixed"))) double twr_tofixed(char* buffer, int buffer_size, double value, int dec_digits);
+
+// does not use locale information; it always uses . (a dot) as the decimal separator.
+__attribute__((import_name("twrToExponential"))) void twr_toexponential(char* buffer, int buffer_size, double value, int dec_digits);
 
 const char* twr_get_navlang(int *len);
 
@@ -68,6 +72,9 @@ void twr_utf32_to_code_page(char*out, int utf32);
 int twr_code_page_to_utf32_streamed(unsigned char byte);
 void twr_localize_numeric_string(char* str, locale_t locale);
 
+/* library functions */
+__attribute__((import_name("twr_register_callback"))) int twr_register_callback(const char* func_name);
+
 /* internal utility function */
 void __nstrcopy(char *buffer, const int sizeInBytes, const char *outstring, const int sizeofoutstring, int n);