nuclear@0: #include <stdio.h>
nuclear@0: #include <stdarg.h>
nuclear@0: #include <ctype.h>
nuclear@0: #include <alloca.h>
nuclear@0: #include "logger.h"
nuclear@0: 
nuclear@0: static void putchr(char c);
nuclear@0: static void putstr(const char *str);
nuclear@0: 
nuclear@0: static int curx, cury;
nuclear@0: static int font_width = 8, font_height = 8;
nuclear@0: static int ncols = 20, nrows = 16;
nuclear@0: 
nuclear@0: void logmsg(const char *fmt, ...)
nuclear@0: {
nuclear@0: 	va_list ap;
nuclear@0: 	int sz;
nuclear@0: 	char *buf;
nuclear@0: 
nuclear@0: 	va_start(ap, fmt);
nuclear@0: 	sz = vsnprintf(0, 0, fmt, ap);
nuclear@0: 	va_end(ap);
nuclear@0: 
nuclear@0: 	buf = alloca(sz + 1);
nuclear@0: 	va_start(ap, fmt);
nuclear@0: 	vsnprintf(buf, sz, fmt, ap);
nuclear@0: 	va_end(ap);
nuclear@0: 
nuclear@0: 	putstr(buf);
nuclear@0: }
nuclear@0: 
nuclear@0: static void putchr(char c)
nuclear@0: {
nuclear@0: 	switch(c) {
nuclear@0: 	case '\n':
nuclear@0: 	case '\r':
nuclear@0: 		curx = 0;
nuclear@0: 		cury += font_height;
nuclear@0: 		break;
nuclear@0: 
nuclear@0: 	default:
nuclear@0: 		if(isprint(c)) {
nuclear@0: 			draw_glyph(c, curx, cury, front_buffer);
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: static void putstr(const char *str)
nuclear@0: {
nuclear@0: 	while(*str) putchr(*str++);
nuclear@0: }