make sed cleanup use linked list

diff --git a/editors/sed.c b/editors/sed.c
index 85eb9f6..037d2a8 100644 (file)
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -118,30 +118,27 @@ const char * const semicolon_whitespace = "; \n\r\t\v\0";
 #ifdef CONFIG_FEATURE_CLEAN_UP
 static void destroy_cmd_strs(void)
 {
-       if (sed_cmds == NULL)
-               return;
+       sed_cmd_t *sed_cmd = sed_cmd_head.linear;
 
-       /* destroy all the elements in the array */
-       while (--ncmds >= 0) {
+       while (sed_cmd) {
+               sed_cmd_t *sed_cmd_next = sed_cmd->linear;
 
-               if (sed_cmds[ncmds]->beg_match) {
-                       regfree(sed_cmds[ncmds]->beg_match);
-                       free(sed_cmds[ncmds]->beg_match);
+               if (sed_cmd->beg_match) {
+                       regfree(sed_cmd->beg_match);
+                       free(sed_cmd->beg_match);
                }
-               if (sed_cmds[ncmds]->end_match) {
-                       regfree(sed_cmds[ncmds]->end_match);
-                       free(sed_cmds[ncmds]->end_match);
+               if (sed_cmd->end_match) {
+                       regfree(sed_cmd->end_match);
+                       free(sed_cmd->end_match);
                }
-               if (sed_cmds[ncmds]->sub_match) {
-                       regfree(sed_cmds[ncmds]->sub_match);
-                       free(sed_cmds[ncmds]->sub_match);
+               if (sed_cmd->sub_match) {
+                       regfree(sed_cmd->sub_match);
+                       free(sed_cmd->sub_match);
                }
-               free(sed_cmds[ncmds]->replace);
+               free(sed_cmd->replace);
+               free(sed_cmd);
+               sed_cmd = sed_cmd_next;
        }
-
-       /* destroy the array */
-       free(sed_cmds);
-       sed_cmds = NULL;
 }
 #endif