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bc: do not allocate line editing state until needed

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function                                             old     new   delta
xc_read_line                                         324     353     +29
free_line_input_t                                     34      39      +5
xc_vm_init                                           656     640     -16
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 34/-16)             Total: 18 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-12-21 21:36:58 +01:00
parent e4202df091
commit 00eb23b47a
5 changed files with 35 additions and 30 deletions
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3
shell/ash.c
View File

@ -14177,8 +14177,7 @@ exitshell(void)
char *p;
#if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT
if (line_input_state)
save_history(line_input_state);
save_history(line_input_state); /* may be NULL */
#endif
savestatus = exitstatus;
TRACE(("pid %d, exitshell(%d)\n", getpid(), savestatus));

3
shell/hush.c
View File

@ -2056,8 +2056,7 @@ static sighandler_t pick_sighandler(unsigned sig)
static void hush_exit(int exitcode)
{
#if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT
if (G.line_input_state)
save_history(G.line_input_state);
save_history(G.line_input_state); /* may be NULL */
#endif
fflush_all();