diplodocus.org Git - nmh/blob - sbr/context_del.c

   1 /*
   2  * context_del.c -- delete an entry from the context/profile list
   3  *
   4  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   5  * COPYRIGHT file in the root directory of the nmh distribution for
   6  * complete copyright information.
   7  */
   8
   9 #include <h/mh.h>
  10 #include <h/utils.h>
  11
  12 /*
  13  * Delete a key/value pair from the context/profile list.
  14  * Return 0 if key is found, else return 1.
  15  */
  16
  17 int
  18 context_del (char *key)
  19 {
  20     struct node *np, *pp;
  21
  22     for (np = m_defs, pp = NULL; np; pp = np, np = np->n_next) {
  23         if (!strcasecmp (np->n_name ? np->n_name : "", key ? key : "")) {
  24             if (!np->n_context)
  25                 inform("bug: context_del(key=\"%s\"), continuing...", np->n_name);
  26             if (pp)
  27                 pp->n_next = np->n_next;
  28             else
  29                 m_defs = np->n_next;
  30             free (np->n_name);
  31             mh_xfree(np->n_field);
  32             free(np);
  33             ctxflags |= CTXMOD;
  34             return 0;
  35         }
  36     }
  37
  38     return 1;
  39 }