git.marmaro.de Git - mmh/blob - sbr/readconfig.c

   1 /*
   2 ** readconfig.c -- base routine to read nmh configuration files
   3 **              -- such as nmh profile, context file, or mhn.defaults.
   4 **
   5 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
   6 ** COPYRIGHT file in the root directory of the nmh distribution for
   7 ** complete copyright information.
   8 */
   9
  10 #include <h/mh.h>
  11 #include <h/utils.h>
  12
  13 struct procstr {
  14         char *procname;
  15         char **procnaddr;
  16 };
  17
  18 static struct procstr procs[] = {
  19         { "attachment-header",  &attach_hdr },
  20         { "context",       &context },
  21         { "mh-sequences",  &mh_seq },
  22         { "backup-prefix", &backup_prefix },
  23         { "draft-folder",  &draftfolder },
  24         { "altmsg-link",   &altmsglink },
  25         { "fileproc",      &fileproc },
  26         { "listproc",      &listproc },
  27         { "rmmproc",       &rmmproc },
  28         { "sendmail",      &sendmail },
  29         { "whatnowproc",   &whatnowproc },
  30         { NULL, NULL }
  31 };
  32
  33 static struct node **opp = NULL;
  34
  35
  36 void
  37 readconfig(struct node **npp, FILE *ib, char *file, int ctx)
  38 {
  39         register int state;
  40         register char *cp;
  41         char name[NAMESZ], field[BUFSIZ];
  42         register struct node *np;
  43         register struct procstr *ps;
  44
  45         if (npp == NULL && (npp = opp) == NULL) {
  46                 admonish(NULL, "bug: readconfig called but pump not primed");
  47                 return;
  48         }
  49
  50         for (state = FLD;;) {
  51                 switch (state = m_getfld(state, name, field, sizeof(field),
  52                                 ib)) {
  53                 case FLD:
  54                 case FLDPLUS:
  55                 case FLDEOF:
  56                         np = (struct node *) mh_xmalloc(sizeof(*np));
  57                         *npp = np;
  58                         *(npp = &np->n_next) = NULL;
  59                         np->n_name = getcpy(name);
  60                         if (state == FLDPLUS) {
  61                                 cp = getcpy(field);
  62                                 while (state == FLDPLUS) {
  63                                         state = m_getfld(state, name, field,
  64                                                         sizeof(field), ib);
  65                                         cp = add(field, cp);
  66                                 }
  67                                 np->n_field = trimcpy(cp);
  68                                 free(cp);
  69                         } else {
  70                                 np->n_field = trimcpy(field);
  71                         }
  72                         np->n_context = ctx;
  73
  74                         /*
  75                         ** Now scan the list of `procs' and link in
  76                         ** the field value to the global variable.
  77                         */
  78                         for (ps = procs; ps->procname; ps++)
  79                                 if (mh_strcasecmp(np->n_name,
  80                                                 ps->procname) == 0) {
  81                                         *ps->procnaddr = np->n_field;
  82                                         break;
  83                                 }
  84                         if (state == FLDEOF)
  85                                 break;
  86                         continue;
  87
  88                 case BODY:
  89                 case BODYEOF:
  90                         adios(NULL, "no blank lines are permitted in %s",
  91                                         file);
  92
  93                 case FILEEOF:
  94                         break;
  95
  96                 default:
  97                         adios(NULL, "%s is poorly formatted", file);
  98                 }
  99                 break;
 100         }
 101
 102         opp = npp;
 103 }