sacc

commit 0573022ce4ceab92394c35c5701abe061f2ec35a
parent eae2a995544b2b48c3a7debcb186a00aa0c400b3
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Wed, 26 May 2021 16:18:22 +0200

reset SIGWINCH when spawning a child program for displaying text items

When opening a text item in the pager such as less and then resizing the
terminal it would garble/overwrite the terminal output because sacc was
redrawn.

Diffstat:
M
sacc.c
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/sacc.c b/sacc.c
@@ -285,10 +285,17 @@ printdir(Item *item)
 static void
 displaytextitem(Item *item)
 {
+	struct sigaction sa;
 	FILE *pagerin;
 	int pid, wpid;
 
+	sigemptyset(&sa.sa_mask);
+	sa.sa_flags = SA_RESTART;
+	sa.sa_handler = SIG_DFL;
+	sigaction(SIGWINCH, &sa, NULL);
+
 	uicleanup();
+
 	switch (pid = fork()) {
 	case -1:
 		diag("Couldn't fork.");
@@ -304,6 +311,10 @@ displaytextitem(Item *item)
 			;
 	}
 	uisetup();
+
+	sa.sa_handler = uisigwinch;
+	sigaction(SIGWINCH, &sa, NULL);
+	uisigwinch(SIGWINCH); /* force redraw */
 }
 
 static char *