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lineedit: disable completion and fancy prompts if no shells are selected

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function                                             old     new   delta
get_previous_history                                  51      56      +5
get_next_history                                      47      52      +5
null_str                                               1       -      -1
beep                                                  10       -     -10
bb_msg_unknown                                        10       -     -10
bb_internal_setpwent                                  24       -     -24
remove_chunk                                          30       -     -30
goto_new_line                                         33       -     -33
bb_internal_endpwent                                  36       -     -36
deinit_S                                              51       -     -51
free_tab_completion_data                              54       -     -54
read_line_input                                     3171    3114     -57
rewind                                                68       -     -68
add_match                                             70       -     -70
complete_username                                     77       -     -77
quote_special_chars                                   78       -     -78
build_match_prefix                                   557       -    -557
complete_cmd_dir_file                                697       -    -697
parse_and_put_prompt                                 823      53    -770
input_tab                                            926       -    -926
------------------------------------------------------------------------------
(add/remove: 0/17 grow/shrink: 2/2 up/down: 10/-3549)       Total: -3539 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-12-16 11:14:08 +01:00
parent 1d180cd749
commit a97a795dcb
1 changed files with 16 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
libbb/lineedit.c
View File

@@ -57,12 +57,23 @@
#if ENABLE_FEATURE_EDITING
#if !ENABLE_SHELL_ASH && !ENABLE_SHELL_HUSH
/* so far only shells use these features */
# undef ENABLE_FEATURE_EDITING_FANCY_PROMPT
# undef ENABLE_FEATURE_TAB_COMPLETION
# undef ENABLE_FEATURE_USERNAME_COMPLETION
# define ENABLE_FEATURE_EDITING_FANCY_PROMPT 0
# define ENABLE_FEATURE_TAB_COMPLETION 0
# define ENABLE_FEATURE_USERNAME_COMPLETION 0
#endif
#define ENABLE_USERNAME_OR_HOMEDIR \
(ENABLE_FEATURE_USERNAME_COMPLETION || ENABLE_FEATURE_EDITING_FANCY_PROMPT)
#define IF_USERNAME_OR_HOMEDIR(...)
#if ENABLE_USERNAME_OR_HOMEDIR
# undef IF_USERNAME_OR_HOMEDIR
# define IF_USERNAME_OR_HOMEDIR(...) __VA_ARGS__
#else
# define IF_USERNAME_OR_HOMEDIR(...) /*nothing*/
#endif
@@ -743,11 +754,11 @@ static unsigned path_parse(char ***p)
char *tmp;
char **res;
#if EDITING_HAS_path_lookup
# if EDITING_HAS_path_lookup
if (state->flags & WITH_PATH_LOOKUP)
pth = state->path_lookup;
else
#endif
# endif
pth = getenv("PATH");
/* PATH="" or PATH=":"? */
@@ -1885,9 +1896,7 @@ static void parse_and_put_prompt(const char *prmt_ptr)
{
int prmt_size = 0;
char *prmt_mem_ptr = xzalloc(1);
# if ENABLE_USERNAME_OR_HOMEDIR
char *cwd_buf = NULL;
# endif
char flg_not_length = '[';
char cbuf[2];
@@ -1954,11 +1963,9 @@ static void parse_and_put_prompt(const char *prmt_ptr)
c = *prmt_ptr++;
switch (c) {
# if ENABLE_USERNAME_OR_HOMEDIR
case 'u':
pbuf = user_buf ? user_buf : (char*)"";
break;
# endif
case 'H':
case 'h':
pbuf = free_me = safe_gethostname();
@@ -1976,7 +1983,6 @@ static void parse_and_put_prompt(const char *prmt_ptr)
strftime_HHMMSS(timebuf, sizeof(timebuf), NULL)[-3] = '\0';
pbuf = timebuf;
break;
# if ENABLE_USERNAME_OR_HOMEDIR
case 'w': /* current dir */
case 'W': /* basename of cur dir */
if (!cwd_buf) {
@@ -2003,7 +2009,6 @@ static void parse_and_put_prompt(const char *prmt_ptr)
if (cp)
pbuf = (char*)cp + 1;
break;
# endif
// bb_process_escape_sequence does this now:
// case 'e': case 'E': /* \e \E = \033 */
// c = '\033';
@@ -2064,10 +2069,8 @@ static void parse_and_put_prompt(const char *prmt_ptr)
free(free_me);
} /* while */
# if ENABLE_USERNAME_OR_HOMEDIR
if (cwd_buf != (char *)bb_msg_unknown)
free(cwd_buf);
# endif
/* see comment (above this function) about multiline prompt redrawing */
cmdedit_prompt = prompt_last_line = prmt_mem_ptr;
prmt_ptr = strrchr(cmdedit_prompt, '\n');
@@ -2075,7 +2078,7 @@ static void parse_and_put_prompt(const char *prmt_ptr)
prompt_last_line = prmt_ptr + 1;
put_prompt();
}
#endif
#endif /* FEATURE_EDITING_FANCY_PROMPT */
#if ENABLE_FEATURE_EDITING_WINCH
static void cmdedit_setwidth(void)