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comparison sbr/m_sync.c @ 0:bce86c4163a3

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Initial revision
author kono
date Mon, 18 Apr 2005 23:46:02 +0900
parents
children 441a2190cfae
comparison
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-1:000000000000 0:bce86c4163a3
1 /* m_sync.c - synchronize message sequences */
2 #ifndef lint
3 static char ident[] = "@(#)$Id$";
4 #endif /* lint */
5
6 #include "../h/mh.h"
7 #include <stdio.h>
8 #include <signal.h>
9 #ifndef sigmask
10 #define sigmask(s) (1 << ((s) - 1))
11 #endif /* not sigmask */
12
13
14 /* decision logic
15 1. public and folder readonly: make it private
16 2a. public: add it to the sequences file
17 2b. private: add it to the profile
18 */
19
20
21 void m_sync (mp)
22 register struct msgs *mp;
23 {
24 int bits;
25 register int i;
26 register char *cp;
27 char flags,
28 attr[BUFSIZ],
29 seq[BUFSIZ * 2];
30 register FILE *fp;
31 #ifndef BSD42
32 TYPESIG (*hstat) (), (*istat) (), (*qstat) (), (*tstat) ();
33 #else /* BSD42 */
34 int smask;
35 #endif /* BSD42 */
36
37 if (!(mp -> msgflags & SEQMOD))
38 return;
39 mp -> msgflags &= ~SEQMOD;
40
41 m_getdefs ();
42 /* (void) sprintf (seq, "%s/%s", mp -> foldpath, mh_seq); */
43 (void) sprintf (seq, "%s/%s", mp -> foldpath, mh_seq? mh_seq: "");
44 bits = FFATTRSLOT;
45 fp = NULL;
46
47 flags = mp -> msgflags;
48 if (mh_seq == NULL || *mh_seq == 0)
49 mp -> msgflags |= READONLY;
50
51 for (i = 0; mp -> msgattrs[i]; i++) {
52 (void) sprintf (attr, "atr-%s-%s", mp -> msgattrs[i], mp -> foldpath);
53 if (mp -> msgflags & READONLY
54 || mp -> attrstats & (1 << (bits + i))) {
55 priv: ;
56 if (cp = m_seq (mp, mp -> msgattrs[i]))
57 m_replace (attr, cp);
58 else
59 (void) m_delete (attr);
60 }
61 else {
62 (void) m_delete (attr);
63 if ((cp = m_seq (mp, mp -> msgattrs[i])) == NULL)
64 continue;
65 if (fp == NULL) {
66 if ((fp = fopen (seq, "w")) == NULL
67 && (unlink (seq) == NOTOK ||
68 (fp = fopen (seq, "w")) == NULL)) {
69 admonish (attr, "unable to write");
70 goto priv;
71 }
72 #ifndef BSD42
73 hstat = signal (SIGHUP, SIG_IGN);
74 istat = signal (SIGINT, SIG_IGN);
75 qstat = signal (SIGQUIT, SIG_IGN);
76 tstat = signal (SIGTERM, SIG_IGN);
77 #else /* BSD42 */
78 smask = sigblock (sigmask (SIGHUP) | sigmask (SIGINT)
79 | sigmask (SIGQUIT) | sigmask (SIGTERM));
80 #endif /* BSD42 */
81 }
82 fprintf (fp, "%s: %s\n", mp -> msgattrs[i], cp);
83 }
84 }
85
86 if (fp) {
87 (void) fclose (fp);
88 #ifndef BSD42
89 (void) signal (SIGHUP, hstat);
90 (void) signal (SIGINT, istat);
91 (void) signal (SIGQUIT, qstat);
92 (void) signal (SIGTERM, tstat);
93 #else /* BSD42 */
94 (void) sigsetmask (smask);
95 #endif /* BSD42 */
96 }
97 else
98 if (!(mp -> msgflags & READONLY))
99 (void) unlink (seq);
100
101 mp -> msgflags = flags;
102 }