Make sure the correct errno is reported by warn* or err* and not

the errno of an intervening cleanup operation like close/unlink/etc.

Diff from Doug Hogan (doug (at) acyclic.org)

1 files changed, 2 insertions, 1 deletions

diff --git a/src/regress/lib/libc/stdio_threading/fread/fread_test.c b/src/regress/lib/libc/stdio_threading/fread/fread_test.c
index c45a64d14e..6bd734b470 100755
--- a/src/regress/lib/libc/stdio_threading/fread/fread_test.c
+++ b/src/regress/lib/libc/stdio_threading/fread/fread_test.c
@@ -50,11 +50,12 @@ main(void)
         strlcpy(sfn, "/tmp/barnacles.XXXXXXXX", sizeof(sfn));
         if ((fd = mkstemp(sfn)) == -1 ||
             (sfp = fdopen(fd, "w+")) == NULL) {
+                int saved_errno = errno;
                 if (fd != -1) {
                         unlink(sfn);
                         close(fd);
                 }
-                err(1, "could not open temporary file");
+                errc(1, saved_errno, "could not open temporary file");
         }
 
         for (i = 0; i < 4096 * THREAD_COUNT; i++)