tcsh/tcsh-6.24.10-history-merge.dif

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---
sh.hist.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- sh.hist.c
+++ sh.hist.c 2023-07-21 12:21:55.518480015 +0000
@@ -64,7 +64,7 @@ static void hfree (struct Hist *);
/* #define DEBUG_HIST 1 */
-static const int fastMergeErase = 1;
+static int fastMergeErase = 1;
static unsigned histCount = 0; /* number elements on history list */
static int histlen = 0;
static struct Hist *histTail = NULL; /* last element on history list */
@@ -1321,6 +1321,7 @@ rechist(Char *xfname, int ref)
}
if (merge) {
+ fastMergeErase = 0; /* Was true, now false to merge even with full history list */
jmp_buf_t osetexit;
if (lock) {
#ifndef WINNT_NATIVE
@@ -1393,7 +1394,7 @@ loadhist(Char *fname, int mflg)
/* During history merging (enthist sees mflg set), we disable management of
* Hnum and Href (because fastMergeErase is true). So now reset all the
* values based on the final ordering of the history list. */
- if (mflg) {
+ if (mflg && fastMergeErase) {
int n = eventno;
struct Hist *hp = &Histlist;
while ((hp = hp->Hnext))