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	Add pwdx(1) - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	commit f26a1449bfa18a6fbbe263f084df4e490772e9d3
	parent 28795cffe22ee6a645e4763f6b9bd0e422dddb2a
	Author: Mattias Andrée <[email protected]>
	Date: Sat, 26 Mar 2016 12:58:37 +0100

	Add pwdx(1)

	Signed-off-by: Mattias Andrée <[email protected]>

	Diffstat:
	M Makefile \| 2 ++
	M TODO \| 1 -
	A pwdx.1 \| 13 +++++++++++++
	A pwdx.c \| 51 +++++++++++++++++++++++++++++…

	4 files changed, 66 insertions(+), 1 deletion(-)
	---
	diff --git a/Makefile b/Makefile
	@@ -70,6 +70,7 @@ BIN = \
	pidof \
	pivot_root \
	ps \
	+ pwdx \
	readahead \
	respawn \
	rmmod \
	@@ -106,6 +107,7 @@ MAN1 = \
	passwd.1 \
	pidof.1 \
	ps.1 \
	+ pwdx.1 \
	respawn.1 \
	stat.1 \
	su.1 \
	diff --git a/TODO b/TODO
	@@ -19,7 +19,6 @@ mkswap [-L]
	partprobe
	pmap
	ps (support for more options)
	-pwdx
	rfkill
	rmgroup
	rmuser
	diff --git a/pwdx.1 b/pwdx.1
	@@ -0,0 +1,13 @@
	+.Dd March 26, 2015
	+.Dt PWDX 1
	+.Os ubase
	+.Sh NAME
	+.Nm pwdx
	+.Nd print working directory of other processes
	+.Sh SYNOPSIS
	+.Nm
	+.Ar pid...
	+.Sh DESCRIPTION
	+.Nm
	+Prints the current working directory for each
	+.Ar pid .
	diff --git a/pwdx.c b/pwdx.c
	@@ -0,0 +1,51 @@
	+/* See LICENSE file for copyright and license details. */
	+#include <errno.h>
	+#include <limits.h>
	+#include <stdio.h>
	+#include <string.h>
	+#include <unistd.h>
	+
	+#include "util.h"
	+
	+static void
	+usage(void)
	+{
	+ eprintf("usage: %s pid...\n", argv0);
	+}
	+
	+int
	+main(int argc, char *argv[])
	+{
	+ int ret = 0;
	+ char path[PATH_MAX];
	+ char target[PATH_MAX + sizeof(" (deleted)")];
	+ ssize_t n;
	+
	+ ARGBEGIN {
	+ default:
	+ usage();
	+ } ARGEND;
	+
	+ if (argc == 0)
	+ usage();
	+
	+ for (; argc > 0; argc--, argv++) {
	+ n = snprintf(path, sizeof(path), "/proc/%s/cwd", *argv);
	+ if (n < 0 \|\| n > sizeof(path)) {
	+ errno = ESRCH;
	+ } else {
	+ n = readlink(path, target, sizeof(target) - 1);
	+ if (n >= 0) {
	+ target[n] = '\0';
	+ printf("%s: %s\n", *argv, target);
	+ continue;
	+ }
	+ }
	+ if (errno == ENOENT)
	+ errno = ESRCH;
	+ weprintf("%s:", *argv);
	+ ret = 1;
	+ }
	+
	+ return ret;
	+}