libbb/lineedit: restore ^D handling for unicode
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 3689b4b..9b112bc 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -114,8 +114,8 @@
unsigned cmdedit_prmt_len; /* length of prompt (without colors etc) */
unsigned cursor;
- unsigned command_len;
- /* *int* maxsize: we want x in "if (x > S.maxsize)"
+ int command_len; /* must be signed */
+ /* signed maxsize: we want x in "if (x > S.maxsize)"
* to _not_ be promoted to unsigned */
int maxsize;
CHAR_T *command_ps;
@@ -2124,7 +2124,9 @@
#undef command
#if ENABLE_FEATURE_ASSUME_UNICODE
- command_len = save_string(command, maxsize - 1);
+ command[0] = '\0';
+ if (command_len > 0)
+ command_len = save_string(command, maxsize - 1);
free(command_ps);
#endif