[LTP] [PATCH 2/2] lstat/lstat02.c: add ELOOP errno test

[Zeng Linggang]

Add ELOOP errno test for lstat(2)

Signed-off-by: Zeng Linggang <zenglg...@cn.fujitsu.com>
---
 testcases/kernel/syscalls/lstat/lstat02.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/testcases/kernel/syscalls/lstat/lstat02.c 
b/testcases/kernel/syscalls/lstat/lstat02.c
index 387e544..fedef14 100644
--- a/testcases/kernel/syscalls/lstat/lstat02.c
+++ b/testcases/kernel/syscalls/lstat/lstat02.c
@@ -29,6 +29,8 @@
  *     component is too long.
  *   5) lstat(2) returns -1 and sets errno to ENOTDIR if the directory
  *     component in pathname is not a directory.
+ *   6) lstat(2) returns -1 and sets errno to ELOOP if the pathname has too
+ *     many symbolic links encountered while traversing.
  */
 
 #include <stdio.h>
@@ -54,6 +56,7 @@
 #define TEST_ENOTDIR   "test_file/test_enotdir"
 
 static char longpathname[PATH_MAX + 2];
+static char elooppathname[PATH_MAX];
 
 #if !defined(UCLINUX)
 static void bad_addr_setup(int);
@@ -73,11 +76,13 @@ static struct test_case_t {
 #endif
        {longpathname, ENAMETOOLONG, NULL},
        {TEST_ENOTDIR, ENOTDIR, NULL},
+       {elooppathname, ELOOP, NULL},
 };
 
 char *TCID = "lstat02";
 int TST_TOTAL = ARRAY_SIZE(test_cases);
-static int exp_enos[] = { EACCES, EFAULT, ENAMETOOLONG, ENOENT, ENOTDIR, 0 };
+static int exp_enos[] = { EACCES, EFAULT, ENAMETOOLONG, ENOENT,
+                         ENOTDIR, ELOOP, 0 };
 
 static void setup(int, char **);
 static void lstat_verify(int);
@@ -108,6 +113,7 @@ static void setup(int ac, char **av)
 {
        char *msg;
        struct passwd *ltpuser;
+       int i;
 
        msg = parse_opts(ac, av, NULL, NULL);
        if (msg != NULL)
@@ -133,6 +139,12 @@ static void setup(int ac, char **av)
        SAFE_TOUCH(cleanup, "test_file", MODE_RWX, NULL);
 
        memset(longpathname, 'a', PATH_MAX+1);
+
+       SAFE_MKDIR(cleanup, "test_eloop", MODE_RWX);
+       SAFE_SYMLINK(cleanup, "../test_eloop", "test_eloop/test_eloop");
+       strcpy(elooppathname, ".");
+       for (i = 0; i < 43; i++)
+               strcat(elooppathname, "/test_eloop");
 }
 
 #if !defined(UCLINUX)
-- 
1.8.4.2




------------------------------------------------------------------------------
CenturyLink Cloud: The Leader in Enterprise Cloud Services.
Learn Why More Businesses Are Choosing CenturyLink Cloud For
Critical Workloads, Development Environments & Everything In Between.
Get a Quote or Start a Free Trial Today. 
http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk
_______________________________________________
Ltp-list mailing list
Ltp-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ltp-list