From 54c05bc2bdac46fc0f55862c1e7b01b6bf4cda23 Mon Sep 17 00:00:00 2001
From: Erik van der Kouwe <erik@minix3.org>
Date: Wed, 9 Dec 2009 07:59:08 +0000
Subject: [PATCH] Use subdirectory t43 for tests

---
 test/Makefile |  4 ++--
 test/test43.c | 63 ++++++++++++++++++++++++++++++++++++++++++---------
 2 files changed, 54 insertions(+), 13 deletions(-)

diff --git a/test/Makefile b/test/Makefile
index f68e4dee6..8002d590a 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -8,7 +8,7 @@ OBJ=	test1  test2  test3  test4  test5  test6  test7  test8  test9  \
 	       test21 test22 test23        test25 test26 test27 test28 test29 \
 	test30 test31 test32        test34 test35 test36 test37 test38 \
 	test39 t10a t11a t11b test40 t40a t40b t40c t40d t40e t40f test41 \
-	test42
+	test42 test44
 
 BIGOBJ=  test20 test24
 ROOTOBJ= test11 test33 test43
@@ -30,7 +30,7 @@ $(ROOTOBJ):
 clean:	
 	cd select && make clean
 	-rm -rf *.o *.s *.bak test? test?? t10a t11a t11b \
-		t40a t40b t40c t40d t40e t40f DIR*
+		t40a t40b t40c t40d t40e t40f t43 DIR*
 
 test1:	test1.c
 test2:	test2.c
diff --git a/test/test43.c b/test/test43.c
index 35e07fdd8..6e9ade486 100644
--- a/test/test43.c
+++ b/test/test43.c
@@ -205,8 +205,9 @@ static void check_realpath_recurse(const char *path, int depth)
 	if (closedir(dir) < 0) ERR;
 }
 
-#define PATH_DEPTH 3
-#define L(x) "/t43_link_" #x ".tmp"
+#define PATH_DEPTH 4
+#define PATH_BASE "/t43"
+#define L(x) PATH_BASE "/link_" #x ".tmp"
 
 static char basepath[PATH_MAX + 1];
 
@@ -237,15 +238,54 @@ static char *addbasepath(char *buffer, const char *path)
 	return buffer;
 }
 
-static void cleanup(int silent)
+static void cleanup(const char *path)
 {
-	char buffer[PATH_MAX + 1];
+	DIR *dir;
+	struct dirent *dirent;
+	char pathsub[PATH_MAX + 1];
+	struct stat statbuf;
+	
+	/* determine file type, avoid following links */
+	if (lstat(path, &statbuf) < 0)
+	{
+		if (errno != ENOENT) ERR;
+		return;
+	}
+
+	/* only recursively process directories (NOT symlinks!) */
+	if ((statbuf.st_mode & S_IFMT) != S_IFDIR)
+	{
+		if (unlink(path) < 0) ERR;
+		return;	
+	}
+
+	/* loop through subdirectories (excluding . and ..) */
+	if (!(dir = opendir(path))) 
+	{
+		ERR;
+		return;
+	}
+	while (dirent = readdir(dir))
+	{
+		/* ignore current and parent directories */
+		if (strcmp(dirent->d_name, ".") == 0 || 
+			strcmp(dirent->d_name, "..") == 0)
+			continue;
+			
+		/* build path */
+		if (!pathncat(pathsub, sizeof(pathsub), path, dirent->d_name))
+		{
+			ERR;
+			continue;
+		}
+
+		/* delete path */
+		cleanup(pathsub);
+	}
+	if (closedir(dir) < 0) ERR;
 
-	if (unlink(addbasepath(buffer, L(1))) < 0 && !silent) ERR;
-	if (unlink(addbasepath(buffer, L(2))) < 0 && !silent) ERR;
-	if (unlink(addbasepath(buffer, L(3))) < 0 && !silent) ERR;
-	if (unlink(addbasepath(buffer, L(4))) < 0 && !silent) ERR;
-	if (unlink(addbasepath(buffer, L(5))) < 0 && !silent) ERR;
+	/* remove the (now empty) directory itself */
+	if (rmdir(path) < 0) ERR;
 }
 
 int main(int argc, char **argv)
@@ -257,9 +297,10 @@ int main(int argc, char **argv)
 	fflush(stdout);
 	executable = argv[0];
 	getcwd(basepath, sizeof(basepath));
-	cleanup(1);
+	cleanup(addbasepath(buffer1, PATH_BASE));
 
 	/* prepare some symlinks to make it more difficult */
+	if (mkdir(addbasepath(buffer1, PATH_BASE), S_IRWXU) < 0) ERR;
 	if (symlink("/",      addbasepath(buffer1, L(1))) < 0) ERR;
 	if (symlink(basepath, addbasepath(buffer1, L(2))) < 0) ERR;
 
@@ -275,7 +316,7 @@ int main(int argc, char **argv)
 	check_realpath_step_by_step(addbasepath(buffer1, L(5)), ELOOP);
 
 	/* delete the symlinks */
-	cleanup(0);
+	cleanup(addbasepath(buffer1, PATH_BASE));
 
 	/* done */
 	quit();
-- 
2.44.0