commit 0573022ce4ceab92394c35c5701abe061f2ec35a Hiltjo Posthuma <hiltjo@codemadness.org> 2021-05-26 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.
sacc.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/sacc.c b/sacc.c index 6867963..c05e671 100644 --- 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 *