Fix setting bottom pointer while scrolling - scroll - scrollbackbuffer program for st
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---
(DIR) commit 68e4cf9bea15e2ac33224f8b96d7f5ff58ac6e77
(DIR) parent 3cf57de2bdf4311ebc7e8348ead2bca7cadb3904
(HTM) Author: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date: Thu, 23 Apr 2020 22:26:28 +0200
Fix setting bottom pointer while scrolling
Diffstat:
M scroll.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
---
(DIR) diff --git a/scroll.c b/scroll.c
@@ -246,8 +246,6 @@ addline(char *buf, size_t size)
line->buf = earealloc(NULL, size);
memcpy(line->buf, buf, size);
- bottom = line;
-
TAILQ_INSERT_HEAD(&head, line, entries);
}
@@ -536,6 +534,13 @@ main(int argc, char *argv[])
if (*c == '\n') {
addline(buf, pos);
+ /* only advance bottom if scroll is */
+ /* at the end of the scroll back */
+ if (bottom == NULL ||
+ TAILQ_PREV(bottom, tailhead,
+ entries) == TAILQ_FIRST(&head))
+ bottom = TAILQ_FIRST(&head);
+
memset(buf, 0, size);
pos = 0;
}