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authorArkadiusz Hiler <arkadiusz.hiler@intel.com>2019-04-09 17:21:41 +0300
committerArkadiusz Hiler <arkadiusz.hiler@intel.com>2019-04-10 18:18:29 +0300
commita558c2e2405473f4157ca71638e5a111ebfa80d1 (patch)
tree0d97e904892f1504903525df6dcd57543a93ac16 /lib/igt_core.c
parent64d0ff7247497ae6d726e4535fe74d4bb6ae914a (diff)
lib: Reset errno to 0 after isatty
Since igt_assert family of functions logs last errno we get a lot of those: "Last errno: 25, Inappropriate ioctl for device" isatty() seems to be the biggest offender in that area, so this patch should limit amount of confusing messages significantly. Cc: Martin Peres <martin.peres@linux.intel.com> Cc: Petri Latvala <petri.latvala@intel.com> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Reviewed-by: Petri Latvala <petri.latvala@intel.com>
Diffstat (limited to 'lib/igt_core.c')
-rw-r--r--lib/igt_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/igt_core.c b/lib/igt_core.c
index 6eb4798e..ae03e909 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -630,6 +630,8 @@ static void common_init_env(void)
if (!isatty(STDOUT_FILENO) || getenv("IGT_PLAIN_OUTPUT"))
__igt_plain_output = true;
+ errno = 0; /* otherwise may be either ENOTTY or EBADF because of isatty */
+
if (!__igt_plain_output)
setlocale(LC_ALL, "");