#if ENABLE_UNICODE_SUPPORT
# define BB_NUL ((wchar_t)0)
# define CHAR_T wchar_t
-static bool BB_isspace(CHAR_T c) { return ((unsigned)c < 256 && isspace(c)); }
+static bool BB_isspace(CHAR_T c)
+{
+ return ((unsigned)c < 256 && isspace(c));
+}
# if ENABLE_FEATURE_EDITING_VI
-static bool BB_isalnum_or_underscore(CHAR_T c) {
+static bool BB_isalnum_or_underscore(CHAR_T c)
+{
return ((unsigned)c < 256 && isalnum(c)) || c == '_';
}
# endif
-static bool BB_ispunct(CHAR_T c) { return ((unsigned)c < 256 && ispunct(c)); }
+static bool BB_ispunct(CHAR_T c)
+{
+ return ((unsigned)c < 256 && ispunct(c));
+}
# undef isspace
# undef isalnum
# undef ispunct
# define CHAR_T char
# define BB_isspace(c) isspace(c)
# if ENABLE_FEATURE_EDITING_VI
-static bool BB_isalnum_or_underscore(CHAR_T c) {
- return ((unsigned)c < 256 && isalnum(c)) || c == '_';
+static bool BB_isalnum_or_underscore(CHAR_T c)
+{
+ return isalnum(c) || c == '_';
}
# endif
# define BB_ispunct(c) ispunct(c)
unsigned num_matches;
#endif
+#if ENABLE_FEATURE_EDITING_WINCH
unsigned SIGWINCH_saved;
volatile unsigned SIGWINCH_count;
volatile smallint ok_to_redraw;
+#endif
#if ENABLE_FEATURE_EDITING_VI
# define DELBUFSIZ 128
smallint sent_ESC_br6n;
#endif
+#if ENABLE_FEATURE_EDITING_WINCH
/* Largish struct, keeping it last results in smaller code */
struct sigaction SIGWINCH_handler;
+#endif
};
/* See lineedit_ptr_hack.c */
#define delbuf (S.delbuf )
#define INIT_S() do { \
- (*(struct lineedit_statics**)&lineedit_ptr_to_statics) = xzalloc(sizeof(S)); \
+ (*(struct lineedit_statics**)not_const_pp(&lineedit_ptr_to_statics)) = xzalloc(sizeof(S)); \
barrier(); \
cmdedit_termw = 80; \
IF_USERNAME_OR_HOMEDIR(home_pwd_buf = (char*)null_str;) \
static void goto_new_line(void)
{
put_till_end_and_adv_cursor();
- if (cmdedit_x != 0)
+ /* "cursor == 0" is only if prompt is "" and user input is empty */
+ if (cursor == 0 || cmdedit_x != 0)
bb_putchar('\n');
}
static void add_match(char *matched)
{
+ unsigned char *p = (unsigned char*)matched;
+ while (*p) {
+ /* ESC attack fix: drop any string with control chars */
+ if (*p < ' '
+ || (!ENABLE_UNICODE_SUPPORT && *p >= 0x7f)
+ || (ENABLE_UNICODE_SUPPORT && *p == 0x7f)
+ ) {
+ free(matched);
+ return;
+ }
+ p++;
+ }
matches = xrealloc_vector(matches, 4, num_matches);
matches[num_matches] = matched;
num_matches++;
}
pf_len = strlen(pfind);
-# if ENABLE_FEATURE_SH_STANDALONE && NUM_APPLETS != 1
if (type == FIND_EXE_ONLY && !dirbuf) {
+# if ENABLE_FEATURE_SH_STANDALONE && NUM_APPLETS != 1
const char *p = applet_names;
-
while (*p) {
if (strncmp(pfind, p, pf_len) == 0)
add_match(xstrdup(p));
while (*p++ != '\0')
continue;
}
- }
# endif
+# if EDITING_HAS_get_exe_name
+ if (state->get_exe_name) {
+ i = 0;
+ for (;;) {
+ const char *b = state->get_exe_name(i++);
+ if (!b)
+ break;
+ if (strncmp(pfind, b, pf_len) == 0)
+ add_match(xstrdup(b));
+ }
+ }
+# endif
+ }
for (i = 0; i < npaths; i++) {
DIR *dir;
);
}
if (ENABLE_UNICODE_SUPPORT)
- puts(printable_string(NULL, matches[n]));
+ puts(printable_string(matches[n]));
else
puts(matches[n]);
}
printf("%4d %s\n", i, st->history[i]);
}
+void FAST_FUNC free_line_input_t(line_input_t *n)
+{
+# if ENABLE_FEATURE_EDITING_SAVEHISTORY
+ int i = n->cnt_history;
+ while (i > 0)
+ free(n->history[--i]);
+#endif
+ free(n);
+}
+
# if ENABLE_FEATURE_EDITING_SAVEHISTORY
/* We try to ensure that concurrent additions to the history
* do not overwrite each other.
* than configured MAX_HISTORY lines.
*/
-static void free_line_input_t(line_input_t *n)
-{
- int i = n->cnt_history;
- while (i > 0)
- free(n->history[--i]);
- free(n);
-}
-
/* state->flags is already checked to be nonzero */
static void load_history(line_input_t *st_parm)
{
}
#endif
+#if ENABLE_FEATURE_EDITING_WINCH
static void cmdedit_setwidth(void)
{
int new_y;
S.SIGWINCH_count++;
}
}
+#endif
static int lineedit_read_key(char *read_key_buffer, int timeout)
{
*
* Note: read_key sets errno to 0 on success.
*/
- S.ok_to_redraw = 1;
+ IF_FEATURE_EDITING_WINCH(S.ok_to_redraw = 1;)
ic = read_key(STDIN_FILENO, read_key_buffer, timeout);
- S.ok_to_redraw = 0;
+ IF_FEATURE_EDITING_WINCH(S.ok_to_redraw = 0;)
if (errno) {
#if ENABLE_UNICODE_SUPPORT
if (errno == EAGAIN && unicode_idx != 0)
}
#endif
+#if ENABLE_FEATURE_EDITING_WINCH
+static void sigaction2(int sig, struct sigaction *act)
+{
+ // Grr... gcc 8.1.1:
+ // "passing argument 3 to restrict-qualified parameter aliases with argument 2"
+ // dance around that...
+ struct sigaction *oact FIX_ALIASING;
+ oact = act;
+ sigaction(sig, act, oact);
+}
+#endif
+
/* maxsize must be >= 2.
* Returns:
* -1 on read errors or EOF, or on bare Ctrl-D,
timeout = st->timeout;
}
#if MAX_HISTORY > 0
+ if (state->flags & DO_HISTORY) {
# if ENABLE_FEATURE_EDITING_SAVEHISTORY
- if (state->hist_file)
- if (state->cnt_history == 0)
- load_history(state);
+ if (state->hist_file)
+ if (state->cnt_history == 0)
+ load_history(state);
# endif
- if (state->flags & DO_HISTORY)
state->cur_history = state->cnt_history;
+ }
#endif
/* prepare before init handlers */
bb_error_msg("cur_history:%d cnt_history:%d", state->cur_history, state->cnt_history);
#endif
+ /* Get width (before printing prompt) */
+ cmdedit_termw = get_terminal_width(STDIN_FILENO);
/* Print out the command prompt, optionally ask where cursor is */
parse_and_put_prompt(prompt);
ask_terminal();
+#if ENABLE_FEATURE_EDITING_WINCH
/* Install window resize handler (NB: after *all* init is complete) */
S.SIGWINCH_handler.sa_handler = win_changed;
S.SIGWINCH_handler.sa_flags = SA_RESTART;
- sigaction(SIGWINCH, &S.SIGWINCH_handler, &S.SIGWINCH_handler);
-
- cmdedit_termw = get_terminal_width(STDIN_FILENO);
-
+ sigaction2(SIGWINCH, &S.SIGWINCH_handler);
+#endif
read_key_buffer[0] = 0;
while (1) {
/*
* in one place.
*/
int32_t ic, ic_raw;
+#if ENABLE_FEATURE_EDITING_WINCH
unsigned count;
count = S.SIGWINCH_count;
S.SIGWINCH_saved = count;
cmdedit_setwidth();
}
-
+#endif
ic = ic_raw = lineedit_read_key(read_key_buffer, timeout);
#if ENABLE_FEATURE_REVERSE_SEARCH
/* restore initial_settings */
tcsetattr_stdin_TCSANOW(&initial_settings);
+#if ENABLE_FEATURE_EDITING_WINCH
/* restore SIGWINCH handler */
sigaction_set(SIGWINCH, &S.SIGWINCH_handler);
+#endif
fflush_all();
len = command_len;
projects / oweals / busybox.git / blobdiff