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	Use SLIST instead of TAILQ for killall5(8) - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	commit d3efa66c82d2e371b5813487e2c3ad9ef3100e6f
	parent 3e7e1e96440dc0e0034eb5071a71de3bcb1e463a
	Author: sin <[email protected]>
	Date: Wed, 7 Oct 2015 14:50:38 +0200

	Use SLIST instead of TAILQ for killall5(8)

	No need to teardown the list at the end.

	Diffstat:
	M killall5.c \| 18 ++++++------------

	1 file changed, 6 insertions(+), 12 deletions(-)
	---
	diff --git a/killall5.c b/killall5.c
	@@ -24,10 +24,10 @@ struct {

	struct pidentry {
	pid_t pid;
	- TAILQ_ENTRY(pidentry) entry;
	+ SLIST_ENTRY(pidentry) entry;
	};

	-static TAILQ_HEAD(omitpid_head, pidentry) omitpid_head;
	+static SLIST_HEAD(, pidentry) omitpid_head;

	static void
	usage(void)
	@@ -38,7 +38,7 @@ usage(void)
	int
	main(int argc, char *argv[])
	{
	- struct pidentry pe, tmp;
	+ struct pidentry *pe;
	struct dirent *entry;
	DIR *dp;
	char p, arg = NULL;
	@@ -71,12 +71,12 @@ main(int argc, char *argv[])
	usage();
	} ARGEND;

	- TAILQ_INIT(&omitpid_head);
	+ SLIST_INIT(&omitpid_head);

	for (p = strtok(arg, ","); p; p = strtok(NULL, ",")) {
	pe = emalloc(sizeof(*pe));
	pe->pid = estrtol(p, 10);
	- TAILQ_INSERT_TAIL(&omitpid_head, pe, entry);
	+ SLIST_INSERT_HEAD(&omitpid_head, pe, entry);
	}

	if (sig != SIGSTOP && sig != SIGCONT)
	@@ -92,7 +92,7 @@ main(int argc, char *argv[])
	getsid(pid) == getsid(0) \|\| getsid(pid) == 0)
	continue;
	if (oflag == 1) {
	- TAILQ_FOREACH(pe, &omitpid_head, entry)
	+ SLIST_FOREACH(pe, &omitpid_head, entry)
	if (pe->pid == pid)
	break;
	if (pe)
	@@ -105,11 +105,5 @@ main(int argc, char *argv[])
	if (sig != SIGSTOP && sig != SIGCONT)
	kill(-1, SIGCONT);

	- for (pe = TAILQ_FIRST(&omitpid_head); pe; pe = tmp) {
	- tmp = TAILQ_NEXT(pe, entry);
	- TAILQ_REMOVE(&omitpid_head, pe, entry);
	- free(pe);
	- }
	-
	return 0;
	}