From e438d7f1b37f2d8b29ae028b15f95442e48dd9e7 Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Date: Mon, 18 Nov 2019 12:40:39 +0100
Subject: Remove directory stack code

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
---
 lib/common/Makemodule.am |  3 +-
 lib/common/dirstack.c    | 78 ------------------------------------------------
 2 files changed, 1 insertion(+), 80 deletions(-)
 delete mode 100644 lib/common/dirstack.c

(limited to 'lib/common')

diff --git a/lib/common/Makemodule.am b/lib/common/Makemodule.am
index 4f4562b..2e5a812 100644
--- a/lib/common/Makemodule.am
+++ b/lib/common/Makemodule.am
@@ -5,7 +5,6 @@ libcommon_a_SOURCES += lib/common/compress.c lib/common/comp_opt.c
 libcommon_a_SOURCES += lib/common/data_writer.c include/common.h
 libcommon_a_SOURCES += lib/common/get_path.c lib/common/io_stdin.c
 libcommon_a_SOURCES += lib/common/writer.c lib/common/perror.c
-libcommon_a_SOURCES += lib/common/dirstack.c lib/common/mkdir_p.c
-libcommon_a_SOURCES += lib/common/filename_sane.c
+libcommon_a_SOURCES += lib/common/mkdir_p.c lib/common/filename_sane.c
 
 noinst_LIBRARIES += libcommon.a
diff --git a/lib/common/dirstack.c b/lib/common/dirstack.c
deleted file mode 100644
index f8d1278..0000000
--- a/lib/common/dirstack.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * dirstack.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "common.h"
-#include "util/compat.h"
-
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <assert.h>
-#include <fcntl.h>
-#include <stdio.h>
-
-#define STACK_DEPTH 128
-
-static int dirstack[STACK_DEPTH];
-static int stacktop = 0;
-
-int pushd(const char *path)
-{
-	int fd;
-
-	assert(stacktop < STACK_DEPTH);
-
-	fd = open(".", O_DIRECTORY | O_PATH | O_RDONLY | O_CLOEXEC);
-
-	if (fd < 0) {
-		perror("open ./");
-		return -1;
-	}
-
-	if (chdir(path)) {
-		perror(path);
-		close(fd);
-		return -1;
-	}
-
-	dirstack[stacktop++] = fd;
-	return 0;
-}
-
-int pushdn(const char *path, size_t len)
-{
-	char *temp;
-	int ret;
-
-	temp = strndup(path, len);
-	if (temp == NULL) {
-		perror("pushd");
-		return -1;
-	}
-
-	ret = pushd(temp);
-
-	free(temp);
-	return ret;
-}
-
-int popd(void)
-{
-	int fd;
-
-	assert(stacktop > 0);
-
-	fd = dirstack[stacktop - 1];
-
-	if (fchdir(fd)) {
-		perror("popd");
-		return -1;
-	}
-
-	--stacktop;
-	close(fd);
-	return 0;
-}
-- 
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