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/*
* context_replace.c -- add/replace an entry in the context/profile list
*
* $Id: context_replace.c,v 1.2.2.1 2003/02/28 19:08:36 jon Exp $
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
void
context_replace (char *key, char *value)
{
register struct node *np;
/*
* If list is emtpy, allocate head of profile/context list.
*/
if (!m_defs) {
if (!(m_defs = (struct node *) malloc (sizeof(*np))))
adios (NULL, "unable to allocate profile storage");
np = m_defs;
np->n_name = getcpy (key);
np->n_field = getcpy (value);
np->n_context = 1;
np->n_next = NULL;
ctxflags |= CTXMOD;
return;
}
/*
* Search list of context/profile entries for
* this key, and replace its value if found.
*/
for (np = m_defs;; np = np->n_next) {
if (!strcasecmp (np->n_name, key)) {
if (strcmp (value, np->n_field)) {
if (!np->n_context)
admonish (NULL, "bug: context_replace(key=\"%s\",value=\"%s\")", key, value);
if (np->n_field)
free (np->n_field);
np->n_field = getcpy (value);
ctxflags |= CTXMOD;
}
return;
}
if (!np->n_next)
break;
}
/*
* Else add this new entry at the end
*/
np->n_next = (struct node *) malloc (sizeof(*np));
if (!np->n_next)
adios (NULL, "unable to allocate profile storage");
np = np->n_next;
np->n_name = getcpy (key);
np->n_field = getcpy (value);
np->n_context = 1;
np->n_next = NULL;
ctxflags |= CTXMOD;
}
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