61 lines
1.8 KiB
Diff
61 lines
1.8 KiB
Diff
commit 3f54e459a633b4247be91b9d0f68a7e08720b8d8
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Author: Frédéric Bérat <fberat@redhat.com>
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Date: Tue Aug 13 12:01:26 2024 +0200
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libio/tst-getdelim: Add new test covering NUL as a delimiter
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Add a new test to getdelim to verify that '\0' can be set as a
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delimiter.
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Reviewed-by: Florian Weimer <fweimer@redhat.com>
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diff --git a/libio/tst-getdelim.c b/libio/tst-getdelim.c
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index 44437326691228be..15e2d873a50df782 100644
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--- a/libio/tst-getdelim.c
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+++ b/libio/tst-getdelim.c
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@@ -1,4 +1,6 @@
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-/* Check that getdelim sets error indicator on error (BZ #29917)
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+/* Test getdelim conforming to POSIX specifications.
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+
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+ Note: Most getdelim use cases are covered by stdio-common/tst-getline.
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Copyright (C) 2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@@ -18,18 +20,36 @@
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<https://www.gnu.org/licenses/>. */
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#include <stdio.h>
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+#include <stdlib.h>
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#include <errno.h>
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#include <support/check.h>
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+#include <support/support.h>
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+#include <support/test-driver.h>
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static int
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do_test (void)
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{
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+ /* Check that getdelim sets error indicator on error (BZ #29917) */
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clearerr (stdin);
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TEST_VERIFY (getdelim (0, 0, '\n', stdin) == -1);
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TEST_VERIFY (ferror (stdin) != 0);
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TEST_VERIFY (errno == EINVAL);
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+ /* Test getdelim with NUL as delimiter */
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+ verbose_printf ("Testing NUL delimiter\n");
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+ char *lineptr = NULL;
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+ size_t linelen = 0;
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+ char membuf[] = "abc\0d\nef\0";
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+ FILE *memstream = fmemopen (membuf, sizeof (membuf), "r");
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+ TEST_VERIFY_EXIT (memstream != NULL);
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+ TEST_VERIFY (getdelim (&lineptr, &linelen, '\0', memstream) != -1);
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+ TEST_COMPARE_BLOB (lineptr, 4, "abc\0", 4);
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+ TEST_VERIFY (getdelim (&lineptr, &linelen, '\0', memstream) != -1);
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+ TEST_COMPARE_BLOB (lineptr, 5, "d\nef\0", 5);
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+ fclose (memstream);
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+ free (lineptr);
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+
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return 0;
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}
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