shithub: puzzles

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Implement debug_printf() in the Emscripten front end, since that's the
easiest way to call js_debug with formatted parameters.

[originally from svn r9807]

--- a/emcc.c

+++ b/emcc.c

@@ -138,6 +138,16 @@

     js_error_box(buf);

 }

+void debug_printf(char *fmt, ...)

+{

+    char buf[512];

+    va_list ap;

+    va_start(ap, fmt);

+    vsnprintf(buf, sizeof(buf), fmt, ap);

+    va_end(ap);

+    js_debug(buf);

+}

+

 /*

  * HTMLish names for the colours allocated by the puzzle.

  */