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

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   9 date    92.12.15.00.20.22;      author jromine; state Exp;
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  14 date    91.02.14.14.44.38;      author mh;      state Exp;
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  19 date    90.04.05.15.30.40;      author sources; state Exp;
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  24 date    90.04.05.14.44.39;      author sources; state Exp;
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  34 date    90.02.21.16.35.38;      author sources; state Exp;
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  39 date    90.02.01.14.07.31;      author sources; state Exp;
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  50 @@
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  53 1.8
  54 log
  55 @endif sugar
  56 @
  57 text
  58 @/* m_seq.c - print out a message sequence */
  59 #ifndef lint
  60 static char ident[] = "@@(#)$Id: m_seq.c,v 1.7 1991/02/14 14:44:38 mh Exp jromine $";
  61 #endif  /* lint */
  62
  63 #include "../h/mh.h"
  64 #include <stdio.h>
  65
  66 /* new version from VJ 2/90 - faster? */
  67
  68 char *
  69 m_seq(mp, cp)
  70         struct msgs *mp;
  71         char *cp;
  72 {
  73         int mask;
  74         register int i, j;
  75         register char *bp;
  76         static char buffer[BUFSIZ*2];   /* for big sequences */
  77
  78         if (strcmp (current, cp) == 0) {
  79             /* assume this is in sync with msgstats["cur"] */
  80             /* see m_seqadd() for details */
  81             if (mp->curmsg) {
  82                 (void) sprintf(buffer, "%s", m_name(mp->curmsg));
  83                 return (buffer);
  84             } else
  85                 return (NULL);
  86         }
  87         for (i = 0; mp->msgattrs[i]; i++)
  88                 if (strcmp(mp->msgattrs[i], cp) == 0)
  89                         break;
  90
  91         if (! mp->msgattrs[i])
  92                 return (NULL);
  93
  94         mask = EXISTS | (1 << (FFATTRSLOT + i));
  95         bp = buffer;
  96         for (i = mp->lowmsg; i <= mp->hghmsg; ++i) {
  97                 if ((mp->msgstats[i] & mask) != mask)
  98                         continue;
  99
 100                 if (bp > buffer)
 101                         *bp++ = ' ';
 102
 103                 (void) sprintf(bp, "%s", m_name(i));
 104                 bp += strlen(bp);
 105                 j = i;
 106                 for (++i; i <= mp->hghmsg && (mp->msgstats[i] & mask) == mask;
 107                      ++i)
 108                         ;
 109                 if (i - j > 1) {
 110                         (void) sprintf(bp, "-%s", m_name(i - 1));
 111                         bp += strlen(bp);
 112                 }
 113         }
 114         return (bp > buffer? buffer : NULL);
 115 }
 116 @
 117
 118
 119 1.7
 120 log
 121 @comment unclear code
 122 jlr
 123 @
 124 text
 125 @d3 2
 126 a4 2
 127 static char ident[] = "@@(#)$Id: m_seq.c,v 1.6 90/04/05 15:30:40 sources Exp Locker: mh $";
 128 #endif  lint
 129 @
 130
 131
 132 1.6
 133 log
 134 @add ID
 135 @
 136 text
 137 @d3 1
 138 a3 1
 139 static char ident[] = "@@(#)$Id:$";
 140 d21 8
 141 a28 6
 142         if (strcmp(current, cp) == 0) {
 143                 if (mp->curmsg) {
 144                         (void) sprintf(buffer, "%s", m_name(mp->curmsg));
 145                         return (buffer);
 146                 } else
 147                         return (NULL);
 148 @
 149
 150
 151 1.5
 152 log
 153 @add ID
 154 @
 155 text
 156 @d3 1
 157 a3 1
 158 static char ident[] = "$Id:";
 159 @
 160
 161
 162 1.4
 163 log
 164 @make buffer bigger
 165 @
 166 text
 167 @d2 3
 168 @
 169
 170
 171 1.3
 172 log
 173 @Fixes from Van Jacobson
 174 @
 175 text
 176 @d16 1
 177 a16 1
 178         static char buffer[BUFSIZ];
 179 @
 180
 181
 182 1.2
 183 log
 184 @increase message sequence buffer size by factor of 2.  I hope this
 185 is worth it, since it'll make things bigger.
 186 @
 187 text
 188 @d6 1
 189 d8 4
 190 a11 3
 191 char   *m_seq (mp, cp)
 192 struct msgs *mp;
 193 char   *cp;
 194 d13 4
 195 a16 8
 196     int     bits,
 197             found,
 198             hack;
 199     register int    i,
 200                     j,
 201                     k;
 202     register char  *bp;
 203     static char buffer[BUFSIZ * 2];
 204 d18 18
 205 a35 15
 206     bits = FFATTRSLOT;
 207     hack = strcmp (current, cp) == 0;
 208     for (i = 0; mp -> msgattrs[i]; i++)
 209         if (strcmp (mp -> msgattrs[i], cp) == 0) {
 210             found = 0;
 211             bp = buffer;
 212             for (j = mp -> lowmsg; j <= mp -> hghmsg; j++)
 213                 if ((mp -> msgstats[j] & EXISTS)
 214                         && (mp -> msgstats[j] & (1 << (bits + i)))) {
 215                     (void) sprintf (bp, "%s%s", found ? " " : "", m_name (j));
 216                     bp += strlen (bp);
 217                     for (k = j + 1; k <= mp -> hghmsg
 218                             && (mp -> msgstats[k] & EXISTS)
 219                             && (mp -> msgstats[k] & (1 << (bits + i)));
 220                             k++)
 221 d37 13
 222 a49 6
 223                     if (--k > j) {
 224                         (void) sprintf (bp, "-%s", m_name (k));
 225                         bp += strlen (bp);
 226                     }
 227                     j = k + 1;
 228                     found++;
 229 a50 5
 230             if (found == 0 && hack && mp -> curmsg) {
 231                 found++;
 232                 (void) sprintf (buffer, "%s", m_name (mp -> curmsg));
 233             }
 234             return (found > 0 ? buffer : NULL);
 235 d52 1
 236 a52 2
 237
 238     return NULL;
 239 @
 240
 241
 242 1.1
 243 log
 244 @Initial revision
 245 @
 246 text
 247 @d18 1
 248 a18 1
 249     static char buffer[BUFSIZ];
 250 @