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-rw-r--r--ChangeLog5
-rw-r--r--misc/Makefile3
-rw-r--r--misc/tst-ldbl-warn.c120
3 files changed, 127 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index f61a292..7368be4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2018-11-06 Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
+ * misc/Makefile (tests): Add tst-ldbl-warn.
+ * misc/tst-ldbl-warn.c: New file.
+
+2018-11-06 Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
+
* argp/Makefile (tests): Add tst-ldbl-argp.
* argp/tst-ldbl-argp.c: New file.
diff --git a/misc/Makefile b/misc/Makefile
index 30e0673..201de12 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -84,7 +84,8 @@ tests := tst-dirname tst-tsearch tst-fdset tst-efgcvt tst-mntent tst-hsearch \
tst-error1 tst-pselect tst-insremque tst-mntent2 bug-hsearch1 \
tst-mntent-blank-corrupt tst-mntent-blank-passno bug18240 \
tst-preadvwritev tst-preadvwritev64 tst-makedev tst-empty \
- tst-preadvwritev2 tst-preadvwritev64v2 tst-warn-wide
+ tst-preadvwritev2 tst-preadvwritev64v2 tst-warn-wide \
+ tst-ldbl-warn
# Tests which need libdl.
ifeq (yes,$(build-shared))
diff --git a/misc/tst-ldbl-warn.c b/misc/tst-ldbl-warn.c
new file mode 100644
index 0000000..3ac0e4c
--- /dev/null
+++ b/misc/tst-ldbl-warn.c
@@ -0,0 +1,120 @@
+/* Test for the long double conversions in *warn* functions.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <err.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <support/check.h>
+#include <support/xmemstream.h>
+
+enum {WARN, WARNX, VWARN, VWARNX};
+
+static void
+do_one_test (int select, const char *format, va_list args,
+ long double arg1, double arg2, long double arg3,
+ double arg4, const char *expected)
+{
+ /* Prepare in-memory buffer to hold the output. */
+ struct xmemstream stream;
+ xopen_memstream (&stream);
+ FILE *old_stderr = stderr;
+ stderr = stream.out;
+
+ /* Write to the buffer using one of the *warn* functions. */
+ errno = 0;
+ switch (select)
+ {
+ case WARN:
+ warn (format, arg1, arg2, arg3, arg4);
+ break;
+ case WARNX:
+ warnx (format, arg1, arg2, arg3, arg4);
+ break;
+ case VWARN:
+ vwarn (format, args);
+ break;
+ case VWARNX:
+ vwarnx (format, args);
+ break;
+ }
+
+ stderr = old_stderr;
+
+ /* Close the in-memory stream and check the output buffer. */
+ xfclose_memstream (&stream);
+ if (strcmp (stream.buffer, expected) != 0)
+ FAIL_EXIT1 ("error:\n"
+ " expected: '%s'\n"
+ " actual: '%s'\n",
+ expected, stream.buffer);
+
+ if (stream.buffer != NULL)
+ free (stream.buffer);
+}
+
+static void
+do_test_call_varg (const char *format, ...)
+{
+ va_list args;
+
+ va_start (args, format);
+ do_one_test (VWARN, format, args, 0, 0, 0, 0,
+ "tst-ldbl-warn: "
+ "-1.000000 - -2.000000 - -3.000000 - -4.000000: Success\n");
+ va_end (args);
+
+ va_start (args, format);
+ do_one_test (VWARNX, format, args, 0, 0, 0, 0,
+ "tst-ldbl-warn: "
+ "-1.000000 - -2.000000 - -3.000000 - -4.000000\n");
+ va_end (args);
+}
+
+static void
+do_test_call_rarg (const char *format, long double arg1, double arg2,
+ long double arg3, double arg4)
+{
+ va_list args;
+ memset (&args, 0, sizeof (args));
+ do_one_test (WARN, format, args, arg1, arg2, arg3, arg4,
+ "tst-ldbl-warn: "
+ "-1.000000 - -2.000000 - -3.000000 - -4.000000: Success\n");
+ do_one_test (WARNX, format, args, arg1, arg2, arg3, arg4,
+ "tst-ldbl-warn: "
+ "-1.000000 - -2.000000 - -3.000000 - -4.000000\n");
+}
+
+static int
+do_test (void)
+{
+ long double arg1 = -1;
+ long double arg3 = -3;
+ double arg2 = -2;
+ double arg4 = -4;
+
+ do_test_call_rarg ("%Lf - %f - %Lf - %f", arg1, arg2, arg3, arg4);
+ do_test_call_varg ("%Lf - %f - %Lf - %f", arg1, arg2, arg3, arg4);
+
+ return 0;
+}
+
+#include <support/test-driver.c>