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With fortification enabled, few function calls return result need to be checked, has they get the __wur macro enabled. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
40 lines
968 B
C
40 lines
968 B
C
#include <error.h>
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#include <mcheck.h>
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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#include <libc-diag.h>
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#include <support/xstdio.h>
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static int
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do_test (int argc, char *argv[])
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{
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mtrace ();
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xfreopen (argc == 1 ? "/dev/stdout" : argv[1], "a", stderr);
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/* Orient the stream. */
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fwprintf (stderr, L"hello world\n");
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char buf[20000];
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static const char str[] = "hello world! ";
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for (int i = 0; i < 1000; ++i)
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memcpy (&buf[i * (sizeof (str) - 1)], str, sizeof (str));
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error (0, 0, str);
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/* We're testing a large format string here and need to generate it
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to avoid this source file being ridiculous. So disable the warning
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about a generated format string. */
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DIAG_PUSH_NEEDS_COMMENT;
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DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-security");
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error (0, 0, buf);
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error (0, 0, buf);
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DIAG_POP_NEEDS_COMMENT;
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error (0, 0, str);
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return 0;
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}
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#define TEST_FUNCTION do_test (argc, argv)
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#include "../test-skeleton.c"
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