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-rw-r--r--libbb/lineedit.c49
1 files changed, 23 insertions, 26 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index e212a1aa8..dda702455 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1040,7 +1040,7 @@ static NOINLINE void input_tab(smallint *lastWasTab)
return;
if (!*lastWasTab) {
- char *tmp;
+ char *chosen_match;
size_t len_found;
/* char matchBuf[MAX_LINELEN]; */
#define matchBuf (S.input_tab__matchBuf)
@@ -1067,8 +1067,6 @@ static NOINLINE void input_tab(smallint *lastWasTab)
cursor_mb = strlen(matchBuf);
}
#endif
- tmp = matchBuf;
-
find_type = build_match_prefix(matchBuf);
/* Free up any memory already allocated */
@@ -1104,38 +1102,39 @@ static NOINLINE void input_tab(smallint *lastWasTab)
}
/* Did we find exactly one match? */
if (num_matches != 1) { /* no */
- char *tmp1;
+ char *cp;
beep();
if (!matches)
return; /* no matches at all */
/* Find common prefix */
- tmp1 = xstrdup(matches[0]);
- for (tmp = tmp1; *tmp; tmp++) {
+ chosen_match = xstrdup(matches[0]);
+ for (cp = chosen_match; *cp; cp++) {
unsigned n;
for (n = 1; n < num_matches; n++) {
- if (matches[n][tmp - tmp1] != *tmp) {
+ if (matches[n][cp - chosen_match] != *cp) {
goto stop;
}
}
}
stop:
- if (tmp1 == tmp) { /* have unique prefix? */
- free(tmp1); /* no */
+ if (cp == chosen_match) { /* have unique prefix? */
+ free(chosen_match); /* no */
return;
}
- *tmp = '\0';
- tmp = add_quote_for_spec_chars(tmp1);
- free(tmp1);
- len_found = strlen(tmp);
+ *cp = '\0';
+ cp = add_quote_for_spec_chars(chosen_match);
+ free(chosen_match);
+ chosen_match = cp;
+ len_found = strlen(chosen_match);
} else { /* exactly one match */
/* Next <tab> is not a double-tab */
*lastWasTab = 0;
- tmp = add_quote_for_spec_chars(matches[0]);
- len_found = strlen(tmp);
- if (tmp[len_found-1] != '/') {
- tmp[len_found] = ' ';
- tmp[++len_found] = '\0';
+ chosen_match = add_quote_for_spec_chars(matches[0]);
+ len_found = strlen(chosen_match);
+ if (chosen_match[len_found-1] != '/') {
+ chosen_match[len_found] = ' ';
+ chosen_match[++len_found] = '\0';
}
}
@@ -1149,7 +1148,7 @@ static NOINLINE void input_tab(smallint *lastWasTab)
/* save tail */
strcpy(matchBuf, &command_ps[cursor]);
/* add match and tail */
- sprintf(&command_ps[cursor], "%s%s", tmp + match_pfx_len, matchBuf);
+ sprintf(&command_ps[cursor], "%s%s", chosen_match + match_pfx_len, matchBuf);
command_len = strlen(command_ps);
/* new pos */
pos = cursor + len_found - match_pfx_len;
@@ -1167,10 +1166,10 @@ static NOINLINE void input_tab(smallint *lastWasTab)
/* save tail */
strcpy(matchBuf, &command[cursor_mb]);
/* where do we want to have cursor after all? */
- strcpy(&command[cursor_mb], tmp + match_pfx_len);
+ strcpy(&command[cursor_mb], chosen_match + match_pfx_len);
len = load_string(command, S.maxsize);
/* add match and tail */
- sprintf(&command[cursor_mb], "%s%s", tmp + match_pfx_len, matchBuf);
+ sprintf(&command[cursor_mb], "%s%s", chosen_match + match_pfx_len, matchBuf);
command_len = load_string(command, S.maxsize);
/* write out the matched command */
/* paranoia: load_string can return 0 on conv error,
@@ -1180,17 +1179,15 @@ static NOINLINE void input_tab(smallint *lastWasTab)
}
}
#endif
- free(tmp);
+ free(chosen_match);
#undef matchBuf
} else {
/* Ok -- the last char was a TAB. Since they
* just hit TAB again, print a list of all the
* available choices... */
- if (matches && num_matches > 0) {
- /* changed by goto_new_line() */
+ if (num_matches > 0) {
+ /* cursor will be changed by goto_new_line() */
int sav_cursor = cursor;
-
- /* Go to the next line */
goto_new_line();
showfiles();
redraw(0, command_len - sav_cursor);