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selftests/nolibc: chdir_root: restore current path after test

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The PWD environment variable has the path of the nolibc-test program,
the current path must be the same as it, otherwise, the test cases will
fail with relative path (e.g. ./nolibc-test).

Since only chdir_root really changes the current path, let's restore it
with the PWD environment variable.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Zhangjin Wu 2023-07-08 02:42:01 +08:00 committed by Willy Tarreau
parent 6861b1a339
commit 38fc0a3553
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/nolibc/nolibc-test.c
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@ -703,7 +703,7 @@ int run_syscall(int min, int max)
CASE_TEST(sbrk_0); EXPECT_PTRNE(1, sbrk(0), (void *)-1); break;
CASE_TEST(sbrk); if ((p1 = p2 = sbrk(4096)) != (void *)-1) p2 = sbrk(-4096); EXPECT_SYSZR(1, (p2 == (void *)-1) || p2 == p1); break;
CASE_TEST(brk); EXPECT_SYSZR(1, brk(sbrk(0))); break;
CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); break;
CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); chdir(getenv("PWD")); break;
CASE_TEST(chdir_dot); EXPECT_SYSZR(1, chdir(".")); break;
CASE_TEST(chdir_blah); EXPECT_SYSER(1, chdir("/blah"), -1, ENOENT); break;
CASE_TEST(chmod_net); EXPECT_SYSZR(proc, chmod("/proc/self/net", 0555)); break;