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 "context_del.h"
  10 #include "error.h"
  11 #include "h/utils.h"
  12
  13 /*
  14  * Delete a key/value pair from the context/profile list.
  15  * Return 0 if key is found, else return 1.
  16  */
  17
  18 int
  19 context_del (char *key)
  20 {
  21     struct node *np, *pp;
  22
  23     key = FENDNULL(key);
  24     for (np = m_defs, pp = NULL; np; pp = np, np = np->n_next) {
  25         if (!strcasecmp(FENDNULL(np->n_name), key)) {
  26             if (!np->n_context)
  27                 inform("bug: context_del(key=\"%s\"), continuing...", np->n_name);
  28             if (pp)
  29                 pp->n_next = np->n_next;
  30             else
  31                 m_defs = np->n_next;
  32             free (np->n_name);
  33             free(np->n_field);
  34             free(np);
  35             ctxflags |= CTXMOD;
  36             return 0;
  37         }
  38     }
  39
  40     return 1;
  41 }