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/*
** context_replace.c -- add/replace an entry in the context/profile list
**
** 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>
#include <h/utils.h>
void
context_replace(char *key, char *value)
{
struct node *np;
/*
** If list is emtpy, allocate head of profile/context list.
*/
if (!m_defs) {
m_defs = mh_xcalloc(1, sizeof(*np));
np = m_defs;
np->n_name = mh_xstrdup(key);
np->n_field = mh_xstrdup(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 (!mh_strcasecmp(np->n_name, key)) {
if (strcmp(value, np->n_field)!=0) {
if (!np->n_context)
admonish(NULL, "bug: context_replace(key=\"%s\",value=\"%s\")", key, value);
if (np->n_field)
mh_free0(&(np->n_field));
np->n_field = mh_xstrdup(value);
ctxflags |= CTXMOD;
}
return;
}
if (!np->n_next)
break;
}
/*
** Else add this new entry at the end
*/
np->n_next = mh_xcalloc(1, sizeof(*np));
np = np->n_next;
np->n_name = mh_xstrdup(key);
np->n_field = mh_xstrdup(value);
np->n_context = 1;
np->n_next = NULL;
ctxflags |= CTXMOD;
}
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