diff options
Diffstat (limited to 'libbb/lineedit.c')
| -rw-r--r-- | libbb/lineedit.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index b25386b..5d65665 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -958,14 +958,16 @@ static void load_history(const char *fromfile) FILE *fp; int hi; - /* cleanup old */ - for (hi = state->cnt_history; hi > 0;) { - hi--; - free(state->history[hi]); - } + /* NB: do not trash old history if file can't be opened */ fp = fopen(fromfile, "r"); if (fp) { + /* clean up old history */ + for (hi = state->cnt_history; hi > 0;) { + hi--; + free(state->history[hi]); + } + for (hi = 0; hi < MAX_HISTORY;) { char *hl = xmalloc_getline(fp); int l; @@ -982,8 +984,8 @@ static void load_history(const char *fromfile) state->history[hi++] = hl; } fclose(fp); + state->cur_history = state->cnt_history = hi; } - state->cur_history = state->cnt_history = hi; } /* state->flags is already checked to be nonzero */ |