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

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