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ash,hush: optional support for $HISTFILESIZE.

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Based on patch from Alexey Fomenko (ext-alexey.fomenko AT nokia.com)

function                                             old     new   delta
size_from_HISTFILESIZE                                 -      44     +44
hush_main                                            998    1025     +27
ash_main                                            1348    1374     +26
read_line_input                                     3361    3372     +11
new_line_input_t                                      17      24      +7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-03-31 13:16:52 +02:00
parent a439fa93f6
commit 2c4de5b045
6 changed files with 55 additions and 21 deletions
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9
shell/ash.c
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@ -13143,10 +13143,9 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
#if ENABLE_FEATURE_EDITING_SAVEHISTORY
if (iflag) {
const char *hp = lookupvar("HISTFILE");
if (hp == NULL) {
if (!hp) {
hp = lookupvar("HOME");
if (hp != NULL) {
if (hp) {
char *defhp = concat_path_file(hp, ".ash_history");
setvar("HISTFILE", defhp, 0);
free(defhp);
@ -13195,6 +13194,10 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
const char *hp = lookupvar("HISTFILE");
if (hp)
line_input_state->hist_file = hp;
# if ENABLE_FEATURE_SH_HISTFILESIZE
hp = lookupvar("HISTFILESIZE");
line_input_state->max_history = size_from_HISTFILESIZE(hp);
# endif
}
#endif
state4: /* XXX ??? - why isn't this before the "if" statement */