5 #pragma varargck type "M" uchar*
7 static char exitstr[ERRMAX];
12 char buf[MD5dlen*2+1];
16 p = va_arg(fmt->args, uchar*);
17 for(i=0; i<MD5dlen; i++)
18 sprint(buf+2*i, "%.2ux", p[i]);
19 return fmtstrcpy(fmt, buf);
23 sum(int fd, char *name)
26 uchar buf[8192], digest[MD5dlen];
29 s = md5(nil, 0, nil, nil);
30 while((n = read(fd, buf, sizeof buf)) > 0)
33 snprint(exitstr, sizeof(exitstr), "reading %s: %r\n", name ? name : "stdin");
34 fprint(2, "%s", exitstr);
37 md5(nil, 0, digest, s);
39 print("%M\n", digest);
41 print("%M\t%s\n", digest, name);
45 main(int argc, char *argv[])
51 fprint(2, "usage: md5sum [file...]\n");
55 fmtinstall('M', digestfmt);
59 else for(i = 0; i < argc; i++){
60 fd = open(argv[i], OREAD);
62 snprint(exitstr, sizeof(exitstr), "can't open %s: %r", argv[i]);
63 fprint(2, "%s: %s\n", argv0, exitstr);