1 #include <u.h>
2 #include <libc.h>
3 #include <fcall.h>
4 #include <thread.h>
5 #include <9p.h>
6 #include "dat.h"
7 #include "fns.h"
8
9 #define SIZE 1024
10 #define DOTDOT (&fmt+1)
11
12 int chatty;
13
14 void
chat(char * fmt,...)15 chat(char *fmt, ...)
16 {
17 char buf[SIZE], *out;
18 va_list arg;
19
20 if (!chatty)
21 return;
22
23 va_start(arg, fmt);
24 out = vseprint(buf, buf+sizeof(buf), fmt, arg);
25 va_end(arg);
26 write(2, buf, (long)(out-buf));
27 }
28
29 void
mchat(char * fmt,...)30 mchat(char *fmt, ...)
31 {
32 char buf[SIZE], *out;
33 va_list arg;
34
35 va_start(arg, fmt);
36 out = vseprint(buf, buf+sizeof(buf), fmt, arg);
37 va_end(arg);
38 write(2, buf, (long)(out-buf));
39 }
40 void
panic(char * fmt,...)41 panic(char *fmt, ...)
42 {
43 char buf[SIZE];
44 va_list arg;
45 int n;
46
47 n = sprint(buf, "%s %d: panic ", argv0, getpid());
48 va_start(arg, fmt);
49 vseprint(buf+n, buf+sizeof(buf)-n, fmt, arg);
50 va_end(arg);
51 fprint(2, "%s: %r\n", buf);
52 exits("panic");
53 }
54