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	patch signal handlers for catpoint - catpoint - Catpoint simple presenting soft…
	git clone git://bitreich.org/catpoint/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrin…
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	---
	commit 62d8733dfbae0ee35a6d71a77409e8bc33f2b8f8
	parent 05fee79d9bfcc4029064723a9739dbeedf8fb788
	Author: KatolaZ <[email protected]>
	Date: Sun, 8 Jul 2018 14:54:37 +0200

	patch signal handlers for catpoint

	As subject says. Avoid to garble the terminal on an exit due to
	signal. Quite straightforward ;)

	HND

	KatolaZ

	--
	[ ~.,_ Enzo Nicosia aka KatolaZ - Devuan -- Freaknet Medialab ]
	[ "+. katolaz [at] freaknet.org --- katolaz [at] yahoo.it ]
	[ @) http://kalos.mine.nu --- Devuan GNU + Linux User ]
	[ @@) http://maths.qmul.ac.uk/~vnicosia -- GPG: 0B5F062F ]
	[ (@@@) Twitter: @KatolaZ - skype: katolaz -- github: KatolaZ ]

	Signed-off-by: Christoph Lohmann <[email protected]>

	Diffstat:
	M catpoint.c \| 37 ++++++++++++++++++++++++++---…

	1 file changed, 32 insertions(+), 5 deletions(-)
	---
	diff --git a/catpoint.c b/catpoint.c
	@@ -10,21 +10,51 @@
	#include <stdlib.h>
	#include <unistd.h>
	#include <locale.h>
	+#include <signal.h>
	+
	+char *p; / the slides */
	+int n; /* the number of slides */
	+
	+void
	+cleanup(int s)
	+{
	+ int i;
	+ for (i = 0; i<n; i++)
	+ munmap(p[i], 0x1000);
	+
	+ endwin(); /* restore terminal */
	+ exit(1);
	+}
	+
	+
	+void
	+setsignal()
	+{
	+ signal(SIGHUP, cleanup);
	+ signal(SIGINT, cleanup);
	+ signal(SIGINT, cleanup);
	+ signal(SIGQUIT, cleanup);
	+ signal(SIGABRT, cleanup);
	+ signal(SIGKILL, cleanup);
	+ signal(SIGTERM, cleanup);
	+}
	+

	int
	main(int argc, char *argv[])
	{
	int c, i, fd;
	- char *p; / the slides */

	if (argc == 1)
	errx(1, "usage: %s file ...", argv[0]);
	argv++;
	argc--;

	+ setsignal();
	setlocale(LC_ALL, "");

	p = calloc(argc, sizeof(char *));
	+ n = argc;

	/* map files to mem */
	for (i = 0; argv[i] != NULL; i++) {
	@@ -102,10 +132,7 @@ again:
	}

	/* unmap mem */
	- for (i = 0; argv[i] != NULL; i++)
	- munmap(p[i], 0x1000);
	-
	- endwin(); /* restore terminal */
	+ cleanup(0);

	return (0);
	}