busybox: remove the upstream-provided bugfix patch for line editing

it actually breaks the history functionality instead of fixing it

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12763 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/busybox/patches/903-lineedit.patch b/package/busybox/patches/903-lineedit.patch
deleted file mode 100644 (file)
index aa6e13b..0000000
--- a/package/busybox/patches/903-lineedit.patch
+++ /dev/null
@@ -1,145 +0,0 @@
---- a/libbb/lineedit.c
-+++ b/libbb/lineedit.c
-@@ -953,24 +953,33 @@
- 
- #if MAX_HISTORY > 0
- 
-+static void save_command_ps_at_cur_history(void)
-+{
-+      if (command_ps[0] != '\0') {
-+              int cur = state->cur_history;
-+              free(state->history[cur]);
-+              state->history[cur] = xstrdup(command_ps);
-+      }
-+}
-+
- /* state->flags is already checked to be nonzero */
--static void get_previous_history(void)
-+static int get_previous_history(void)
- {
--      if (command_ps[0] != '\0' || state->history[state->cur_history] == NULL) {
--              free(state->history[state->cur_history]);
--              state->history[state->cur_history] = xstrdup(command_ps);
-+      if ((state->flags & DO_HISTORY) && state->cur_history) {
-+              save_command_ps_at_cur_history();
-+              state->cur_history--;
-+              return 1;
-       }
--      state->cur_history--;
-+      beep();
-+      return 0;
- }
- 
- static int get_next_history(void)
- {
-       if (state->flags & DO_HISTORY) {
--              int ch = state->cur_history;
--              if (ch < state->cnt_history) {
--                      get_previous_history(); /* save the current history line */
--                      state->cur_history = ch + 1;
--                      return state->cur_history;
-+              if (state->cur_history < state->cnt_history) {
-+                      save_command_ps_at_cur_history(); /* save the current history line */
-+                      return ++state->cur_history;
-               }
-       }
-       beep();
-@@ -992,6 +1001,7 @@
-               for (hi = state->cnt_history; hi > 0;) {
-                       hi--;
-                       free(state->history[hi]);
-+                      state->history[hi] = NULL;
-               }
- 
-               for (hi = 0; hi < MAX_HISTORY;) {
-@@ -1003,7 +1013,7 @@
-                       l = strlen(hl);
-                       if (l >= MAX_LINELEN)
-                               hl[MAX_LINELEN-1] = '\0';
--                      if (l == 0 || hl[0] == ' ') {
-+                      if (l == 0) {
-                               free(hl);
-                               continue;
-                       }
-@@ -1040,19 +1050,27 @@
- 
-       if (!(state->flags & DO_HISTORY))
-               return;
--
-+      if (str[0] == '\0')
-+              return;
-       i = state->cnt_history;
--      free(state->history[MAX_HISTORY]);
--      state->history[MAX_HISTORY] = NULL;
--      /* After max history, remove the oldest command */
-+      /* Don't save dupes */
-+      if (i && strcmp(state->history[i-1], str) == 0)
-+              return;
-+
-+      free(state->history[MAX_HISTORY]); /* redundant, paranoia */
-+      state->history[MAX_HISTORY] = NULL; /* redundant, paranoia */
-+
-+      /* If history[] is full, remove the oldest command */
-+      /* we need to keep history[MAX_HISTORY] empty, hence >=, not > */
-       if (i >= MAX_HISTORY) {
-               free(state->history[0]);
-               for (i = 0; i < MAX_HISTORY-1; i++)
-                       state->history[i] = state->history[i+1];
-+              /* i == MAX_HISTORY-1 */
-       }
--// Maybe "if (!i || strcmp(history[i-1], command) != 0) ..."
--// (i.e. do not save dups?)
-+      /* i <= MAX_HISTORY-1 */
-       state->history[i++] = xstrdup(str);
-+      /* i <= MAX_HISTORY */
-       state->cur_history = i;
-       state->cnt_history = i;
- #if ENABLE_FEATURE_EDITING_SAVEHISTORY
-@@ -1429,6 +1447,13 @@
-               }
-       }
- #endif
-+
-+#if 0
-+      for (ic = 0; ic <= MAX_HISTORY; ic++)
-+              bb_error_msg("history[%d]:'%s'", ic, state->history[ic]);
-+      bb_error_msg("cur_history:%d cnt_history:%d", state->cur_history, state->cnt_history);
-+#endif
-+
-       /* Print out the command prompt */
-       parse_and_put_prompt(prompt);
- 
-@@ -1537,11 +1562,8 @@
-               vi_case(CTRL('P')|vbit:)
-               vi_case('k'|vbit:)
-                       /* Control-p -- Get previous command from history */
--                      if ((state->flags & DO_HISTORY) && state->cur_history > 0) {
--                              get_previous_history();
-+                      if (get_previous_history())
-                               goto rewrite_line;
--                      }
--                      beep();
-                       break;
- #endif
- 
-@@ -1730,10 +1752,8 @@
- #if MAX_HISTORY > 0
-                       case 'A':
-                               /* Up Arrow -- Get previous command from history */
--                              if ((state->flags & DO_HISTORY) && state->cur_history > 0) {
--                                      get_previous_history();
-+                              if (get_previous_history())
-                                       goto rewrite_line;
--                              }
-                               beep();
-                               break;
-                       case 'B':
-@@ -1743,7 +1763,7 @@
-  rewrite_line:
-                               /* Rewrite the line with the selected history item */
-                               /* change command */
--                              command_len = strlen(strcpy(command, state->history[state->cur_history]));
-+                              command_len = strlen(strcpy(command, state->history[state->cur_history] ? : ""));
-                               /* redraw and go to eol (bol, in vi */
-                               redraw(cmdedit_y, (state->flags & VI_MODE) ? 9999 : 0);
-                               break;