Mercurial > hg > Applications > mh

comparison mts/mmdf/hosts.c @ 0:bce86c4163a3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial revision
author kono
date Mon, 18 Apr 2005 23:46:02 +0900
parents
children 441a2190cfae
comparison
equal deleted inserted replaced
-1:000000000000 0:bce86c4163a3
1 /* hosts.c - use MMDF to get hostname information */
2 #ifndef lint
3 static char ident[] = "@(#)$Id$";
4 #endif /* lint */
5
6 /* LINTLIBRARY */
7
8 #include "../h/strings.h"
9 #include "util.h"
10 #include "mmdf.h"
11 #include "ch.h"
12 #ifdef MMDFII
13 #include "dm.h"
14 #endif /* MMDFII */
15 #include "../zotnet/mts.h"
16
17 /*
18 * We really should be careful with the number of fd's that this routine
19 * opens: the ch_seq ch_table.c module likes to keep 6 (yes, SIX) fds around
20 * to speed-up host lookups in the channel table. Unfortunately, after all
21 * of them get opened, six are always open (ch_table may close one to open
22 * another). The bottom line is that if repl calls post, then we get 12
23 * (yes, TWELVE) fds open, with only six usable.
24 *
25 * send will close all fds >= 3 prior to invoking post. It would be nice
26 * if one could control ch_seq's use of fds for table lookups, but such is
27 * life.
28 *
29 */
30
31 #ifndef MMDFII
32 char *OfficialName (name)
33 register char *name;
34 {
35 register Chan *ch;
36 static char buffer[BUFSIZ];
37
38 return ((ch = ch_h2chan (name, buffer)) == (Chan *) (-1) ? NULL
39 : ch == (Chan *) NULL ? LocalName ()
40 : buffer);
41 }
42 #else /* MMDFII */
43
44 extern char *invo_name;
45
46 extern short ch_yloc; /* ok to intercept local names */
47
48 static int inited = 0;
49
50 char *OfficialName (name)
51 register char *name;
52 {
53 Dmn_route route;
54 static char buffer[BUFSIZ];
55
56 if (!inited) {
57 mmdf_init (invo_name);
58 inited = 1;
59 }
60 switch (dm_v2route (name, buffer, &route)) {
61 case NOTOK:
62 case OK:
63 return ((ch_yloc && lexequ (name, LocalName ())) ? LocalName ()
64 : NULL);
65
66 default:
67 return buffer;
68 }
69 }
70 #endif /* MMDFII */