Fix invalid pointer arithmetic.

[nmh] / sbr / context_replace.c

diff --git a/sbr/context_replace.c b/sbr/context_replace.c
index b723cb43118a65bf5f0c820b1739a9b8cf307ed7..154f3f6b96f8cc195a23d621ced5c6f9d6bd48e3 100644 (file)
--- a/sbr/context_replace.c
+++ b/sbr/context_replace.c
@@ -1,8 +1,4 @@
-
-/*
- * context_replace.c -- add/replace an entry in the context/profile list
- *
- * $Id$
+/* 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
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for


@@ -10,22 +6,23 @@
  */
 
 #include <h/mh.h>
  */
 
 #include <h/mh.h>

+#include <h/utils.h>

 
 
 void
 context_replace (char *key, char *value)
 {
 
 
 void
 context_replace (char *key, char *value)
 {

-    register struct node *np;
+    struct node *np;
+
+    key = FENDNULL(key);

 
     /*
 
     /*

-     * If list is emtpy, allocate head of profile/context list.
+     * If list is empty, allocate head of profile/context list.

      */
     if (!m_defs) {
      */
     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);
+       NEW(np);
+        m_defs = np;
+       np->n_name = mh_xstrdup(key);

        np->n_field = getcpy (value);
        np->n_context = 1;
        np->n_next = NULL;
        np->n_field = getcpy (value);
        np->n_context = 1;
        np->n_next = NULL;


@@ -38,13 +35,12 @@ context_replace (char *key, char *value)
      * this key, and replace its value if found.
      */
     for (np = m_defs;; np = np->n_next) {
      * this key, and replace its value if found.
      */
     for (np = m_defs;; np = np->n_next) {

-       if (!strcasecmp (np->n_name, key)) {
+       if (!strcasecmp(FENDNULL(np->n_name), key)) {

            if (strcmp (value, np->n_field)) {
                if (!np->n_context)
            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);
+                   inform("bug: context_replace(key=\"%s\",value=\"%s\"), continuing...", key, value);
+                free(np->n_field);
+               np->n_field = mh_xstrdup(value);

                ctxflags |= CTXMOD;
            }
            return;
                ctxflags |= CTXMOD;
            }
            return;


@@ -56,12 +52,9 @@ context_replace (char *key, char *value)
     /*
      * Else add this new entry at the end
      */
     /*
      * 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");
-
+    NEW(np->n_next);

     np = np->n_next;
     np = np->n_next;

-    np->n_name = getcpy (key);
+    np->n_name = mh_xstrdup(key);

     np->n_field = getcpy (value);
     np->n_context = 1;
     np->n_next = NULL;
     np->n_field = getcpy (value);
     np->n_context = 1;
     np->n_next = NULL;