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lineedit: use read_key to recognize ESC sequence.

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This fixes several vi mode bugs and prepares for further fixes.

function                                             old     new   delta
read_line_input                                     3287    5511   +2224
remember_in_history                                    -     499    +499
lineedit_read_key                                      -      70     +70
read_key                                             321     332     +11
input_tab                                           2823       -   -2823
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 2/0 up/down: 2804/-2823)        Total: -19 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-05-15 03:27:53 +02:00
parent 1b0a93edb9
commit c15f40c3e7
3 changed files with 163 additions and 181 deletions
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24
include/libbb.h
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@@ -1198,23 +1198,23 @@ unsigned long long bb_makedev(unsigned int major, unsigned int minor) FAST_FUNC;
#if ENABLE_FEATURE_EDITING
/* It's NOT just ENABLEd or disabled. It's a number: */
#ifdef CONFIG_FEATURE_EDITING_HISTORY
# define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
#else
# define MAX_HISTORY 0
#endif
# ifdef CONFIG_FEATURE_EDITING_HISTORY
# define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
# else
# define MAX_HISTORY 0
# endif
typedef struct line_input_t {
int flags;
const char *path_lookup;
#if MAX_HISTORY
# if MAX_HISTORY
int cnt_history;
int cur_history;
#if ENABLE_FEATURE_EDITING_SAVEHISTORY
# if ENABLE_FEATURE_EDITING_SAVEHISTORY
unsigned cnt_history_in_file;
const char *hist_file;
#endif
# endif
char *history[MAX_HISTORY + 1];
#endif
# endif
} line_input_t;
enum {
DO_HISTORY = 1 * (MAX_HISTORY > 0),
@@ -1241,12 +1241,12 @@ int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC;
#ifndef COMM_LEN
#ifdef TASK_COMM_LEN
# ifdef TASK_COMM_LEN
enum { COMM_LEN = TASK_COMM_LEN };
#else
# else
/* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
enum { COMM_LEN = 16 };
#endif
# endif
#endif
typedef struct procps_status_t {
DIR *dir;