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make certain actions flush the history buffer

This commit is contained in:
tg 2015-07-05 19:53:46 +00:00
parent e0196f47d5
commit 2e4cd72899
2 changed files with 19 additions and 3 deletions
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16
histrap.c
View File

@ -27,7 +27,7 @@
#include <sys/file.h>
#endif
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.147 2015/07/05 19:37:15 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.148 2015/07/05 19:53:45 tg Exp $");
Trap sigtraps[ksh_NSIG + 1];
static struct sigaction Sigact_ign;
@ -84,6 +84,9 @@ static const char TFCEDIT_dollaru[] = "${FCEDIT:-/bin/ed} $_";
/* maximum considered size of persistent history file */
#define MKSH_MAXHISTFSIZE ((off_t)1048576 * 96)
/* hidden option */
#define HIST_DISCARD 5
int
c_fc(const char **wp)
{
@ -567,6 +570,7 @@ sethistfile(const char *name)
afree(hname, APERM);
hname = NULL;
/* let's reset the history */
histsave(NULL, NULL, HIST_DISCARD, true);
histptr = history - 1;
hist_source->line = 0;
}
@ -601,6 +605,8 @@ histsync(void)
{
bool changed = false;
/* called by histsave(), may not HIST_DISCARD, caller should flush */
if (histfd != -1) {
int lno = hist_source->line;
@ -626,6 +632,12 @@ histsave(int *lnp, const char *cmd, int svmode, bool ignoredups)
char **hp, *c;
const char *ccp;
if (svmode == HIST_DISCARD) {
afree(enqueued, APERM);
enqueued = NULL;
return;
}
if (svmode == HIST_APPEND) {
if (!enqueued)
svmode = HIST_STORE;
@ -734,6 +746,8 @@ hist_init(Source *s)
enum { hist_init_first, hist_init_retry, hist_init_restore } hs;
#endif
histsave(NULL, NULL, HIST_DISCARD, true);
if (Flag(FTALKING) == 0)
return;

6
lex.c
View File

@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.203 2015/07/05 19:37:16 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.204 2015/07/05 19:53:46 tg Exp $");
/*
* states while lexing word
@ -1474,8 +1474,10 @@ getsc_line(Source *s)
cp = Xstring(s->xs, xp);
while (*cp && ctype(*cp, C_IFSWS))
++cp;
if (!*cp)
if (!*cp) {
histsave(&s->line, NULL, HIST_FLUSH, true);
histsync();
}
#endif
}
if (interactive)