print "0" for null string

This commit is contained in:
rsc 2006-09-06 16:38:39 +00:00
parent d90113b638
commit 45854caa93

View file

@ -129,10 +129,14 @@ cprintf(char *fmt, ...)
} else if(c == 's'){ } else if(c == 's'){
char *s = (char*)*ap; char *s = (char*)*ap;
ap++; ap++;
if(s == 0){
cons_putc('0');
}else{
while(*s != 0){ while(*s != 0){
cons_putc(*s); cons_putc(*s);
s++; s++;
} }
}
} else if(c == '%'){ } else if(c == '%'){
cons_putc(c); cons_putc(c);
} else { } else {