diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/sbr/RCS/m_sync.c,v

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   9 date    92.12.15.00.20.22;      author jromine; state Exp;
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  14 date    92.01.31.21.56.12;      author jromine; state Exp;
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  19 date    90.11.05.11.46.34;      author mh;      state Exp;
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  24 date    90.04.05.15.31.00;      author sources; state Exp;
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  50 @@
  51
  52
  53 1.8
  54 log
  55 @endif sugar
  56 @
  57 text
  58 @/* m_sync.c - synchronize message sequences */
  59 #ifndef lint
  60 static char ident[] = "@@(#)$Id: m_sync.c,v 1.7 1992/01/31 21:56:12 jromine Exp jromine $";
  61 #endif  /* lint */
  62
  63 #include "../h/mh.h"
  64 #include <stdio.h>
  65 #include <signal.h>
  66 #ifndef sigmask
  67 #define sigmask(s)      (1 << ((s) - 1))
  68 #endif  /* not sigmask */
  69
  70
  71 /* decision logic
  72     1.  public and folder readonly: make it private
  73     2a. public: add it to the sequences file
  74     2b. private: add it to the profile
  75  */
  76
  77
  78 void m_sync (mp)
  79 register struct msgs *mp;
  80 {
  81     int     bits;
  82     register int    i;
  83     register char  *cp;
  84     char    flags,
  85             attr[BUFSIZ],
  86             seq[BUFSIZ * 2];
  87     register FILE  *fp;
  88 #ifndef BSD42
  89     TYPESIG (*hstat) (), (*istat) (), (*qstat) (), (*tstat) ();
  90 #else   /* BSD42 */
  91     int     smask;
  92 #endif  /* BSD42 */
  93
  94     if (!(mp -> msgflags & SEQMOD))
  95         return;
  96     mp -> msgflags &= ~SEQMOD;
  97
  98     m_getdefs ();
  99     (void) sprintf (seq, "%s/%s", mp -> foldpath, mh_seq);
 100     bits = FFATTRSLOT;
 101     fp = NULL;
 102
 103     flags = mp -> msgflags;
 104     if (mh_seq == NULL || *mh_seq == 0)
 105         mp -> msgflags |= READONLY;
 106
 107     for (i = 0; mp -> msgattrs[i]; i++) {
 108         (void) sprintf (attr, "atr-%s-%s", mp -> msgattrs[i], mp -> foldpath);
 109         if (mp -> msgflags & READONLY
 110                 || mp -> attrstats & (1 << (bits + i))) {
 111     priv: ;
 112             if (cp = m_seq (mp, mp -> msgattrs[i]))
 113                 m_replace (attr, cp);
 114             else
 115                 (void) m_delete (attr);
 116         }
 117         else {
 118             (void) m_delete (attr);
 119             if ((cp = m_seq (mp, mp -> msgattrs[i])) == NULL)
 120                 continue;
 121             if (fp == NULL) {
 122                 if ((fp = fopen (seq, "w")) == NULL
 123                         && (unlink (seq) == NOTOK ||
 124                             (fp = fopen (seq, "w")) == NULL)) {
 125                     admonish (attr, "unable to write");
 126                     goto priv;
 127                 }
 128 #ifndef BSD42
 129                 hstat = signal (SIGHUP, SIG_IGN);
 130                 istat = signal (SIGINT, SIG_IGN);
 131                 qstat = signal (SIGQUIT, SIG_IGN);
 132                 tstat = signal (SIGTERM, SIG_IGN);
 133 #else   /* BSD42 */
 134                 smask = sigblock (sigmask (SIGHUP) | sigmask (SIGINT)
 135                                     | sigmask (SIGQUIT) | sigmask (SIGTERM));
 136 #endif  /* BSD42 */
 137             }
 138             fprintf (fp, "%s: %s\n", mp -> msgattrs[i], cp);
 139         }
 140     }
 141
 142     if (fp) {
 143         (void) fclose (fp);
 144 #ifndef BSD42
 145         (void) signal (SIGHUP, hstat);
 146         (void) signal (SIGINT, istat);
 147         (void) signal (SIGQUIT, qstat);
 148         (void) signal (SIGTERM, tstat);
 149 #else   /* BSD42 */
 150         (void) sigsetmask (smask);
 151 #endif  /* BSD42 */
 152     }
 153     else
 154         if (!(mp -> msgflags & READONLY))
 155             (void) unlink (seq);
 156
 157     mp -> msgflags = flags;
 158 }
 159 @
 160
 161
 162 1.7
 163 log
 164 @kerberos
 165 @
 166 text
 167 @d3 2
 168 a4 2
 169 static char ident[] = "@@(#)$Id: m_sync.c,v 1.6 1990/11/05 11:46:34 mh Exp jromine $";
 170 #endif  lint
 171 d11 1
 172 a11 1
 173 #endif  not sigmask
 174 d33 1
 175 a33 1
 176 #else   BSD42
 177 d35 1
 178 a35 1
 179 #endif  BSD42
 180 d76 1
 181 a76 1
 182 #else   BSD42
 183 d79 1
 184 a79 1
 185 #endif  BSD42
 186 d92 1
 187 a92 1
 188 #else   BSD42
 189 d94 1
 190 a94 1
 191 #endif  BSD42
 192 @
 193
 194
 195 1.6
 196 log
 197 @correctly detect inability to alter the public sequence
 198 file.  the original test only worked if the unlink succeeded.
 199 JLR
 200 @
 201 text
 202 @d3 1
 203 a3 1
 204 static char ident[] = "@@(#)$Id: m_sync.c,v 1.5 90/04/05 15:31:00 sources Exp Locker: mh $";
 205 d47 1
 206 a47 1
 207     if (mh_seq == NULL || *mh_seq == NULL)
 208 @
 209
 210
 211 1.5
 212 log
 213 @add ID
 214 @
 215 text
 216 @d3 1
 217 a3 1
 218 static char ident[] = "@@(#)$Id:$";
 219 d66 2
 220 a67 2
 221                         && unlink (seq) != NOTOK
 222                         && (fp = fopen (seq, "w")) == NULL) {
 223 @
 224
 225
 226 1.4
 227 log
 228 @add ID
 229 @
 230 text
 231 @d3 1
 232 a3 1
 233 static char ident[] = "$Id:";
 234 @
 235
 236
 237 1.3
 238 log
 239 @TYPESIG
 240 @
 241 text
 242 @d2 3
 243 @
 244
 245
 246 1.2
 247 log
 248 @increase message sequence buffer size by factor of 2.  I hope this
 249 is worth it, since it'll make things bigger.
 250 @
 251 text
 252 @d29 1
 253 a29 1
 254     int     (*hstat) (), (*istat) (), (*qstat) (), (*tstat) ();
 255 @
 256
 257
 258 1.1
 259 log
 260 @Initial revision
 261 @
 262 text
 263 @d26 1
 264 a26 1
 265             seq[BUFSIZ];
 266 @