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lineedit: add support for history saving on exit

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Based on the patch by Dennis Groenen <tj.groenen@gmail.com>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-09-04 16:12:33 +02:00
parent 4840ae8a06
commit bede215cf1
5 changed files with 86 additions and 6 deletions
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9
include/libbb.h
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@ -1421,6 +1421,12 @@ typedef struct line_input_t {
int cur_history;
int max_history; /* must never be <= 0 */
# if ENABLE_FEATURE_EDITING_SAVEHISTORY
/* meaning of this field depends on FEATURE_EDITING_SAVE_ON_EXIT:
* if !FEATURE_EDITING_SAVE_ON_EXIT: "how many lines are
* in on-disk history"
* if FEATURE_EDITING_SAVE_ON_EXIT: "how many in-memory lines are
* also in on-disk history (and thus need to be skipped on save)"
*/
unsigned cnt_history_in_file;
const char *hist_file;
# endif
@ -1446,6 +1452,9 @@ line_input_t *new_line_input_t(int flags) FAST_FUNC;
* >0 length of input string, including terminating '\n'
*/
int read_line_input(line_input_t *st, const char *prompt, char *command, int maxsize, int timeout) FAST_FUNC;
# if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT
void save_history(line_input_t *st);
# endif
#else
#define MAX_HISTORY 0
int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC;