1 #include <sys/stat.h>
2 
3 #include <u.h>
4 #include <libc.h>
5 #include <draw.h>
6 
7 vlong
8 flength(int fd)
9 {
10 	struct stat s;
11 
12 	if(fstat(fd, &s) < 0)
13 		return -1;
14 	return s.st_size;
15 }
16