make sed cleanup use linked list

git-svn-id: svn://busybox.net/trunk/busybox@6761 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 15 insertions, 18 deletions

diff --git a/editors/sed.c b/editors/sed.c
index 85eb9f68d..037d2a8ac 100644
--- 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