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	Use SLIST instead of TAILQ for pidof(8) - ubase - suckless linux base utils
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	---
	commit a8f95b2f9a8e85193b8ebd53a7e4aeae12e02480
	parent d3efa66c82d2e371b5813487e2c3ad9ef3100e6f
	Author: sin <[email protected]>
	Date: Wed, 7 Oct 2015 14:53:41 +0200

	Use SLIST instead of TAILQ for pidof(8)

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

	1 file changed, 6 insertions(+), 12 deletions(-)
	---
	diff --git a/pidof.c b/pidof.c
	@@ -15,10 +15,10 @@

	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)
	@@ -36,7 +36,7 @@ main(int argc, char *argv[])
	char cmdline[BUFSIZ], cmd, cmdbase = NULL, p, arg = NULL;
	int i, found = 0;
	int sflag = 0, oflag = 0;
	- struct pidentry pe, tmp;
	+ struct pidentry *pe;

	ARGBEGIN {
	case 's':
	@@ -53,7 +53,7 @@ main(int argc, char *argv[])
	if (!argc)
	return 1;

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

	for (p = strtok(arg, ","); p; p = strtok(NULL, ",")) {
	pe = emalloc(sizeof(*pe));
	@@ -61,7 +61,7 @@ main(int argc, char *argv[])
	pe->pid = getppid();
	else
	pe->pid = estrtol(p, 10);
	- TAILQ_INSERT_TAIL(&omitpid_head, pe, entry);
	+ SLIST_INSERT_HEAD(&omitpid_head, pe, entry);
	}

	if (!(dp = opendir("/proc")))
	@@ -72,7 +72,7 @@ main(int argc, char *argv[])
	continue;
	pid = estrtol(entry->d_name, 10);
	if (oflag) {
	- TAILQ_FOREACH(pe, &omitpid_head, entry)
	+ SLIST_FOREACH(pe, &omitpid_head, entry)
	if (pe->pid == pid)
	break;
	if (pe)
	@@ -110,11 +110,5 @@ out:

	closedir(dp);

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