From 758f820bcc0f68aeebac1717e537ca13a320b909 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:11:47 +0200
Subject: Adding upstream version 9.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 gnulib-tests/test-getline.c | 94 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 gnulib-tests/test-getline.c

(limited to 'gnulib-tests/test-getline.c')

diff --git a/gnulib-tests/test-getline.c b/gnulib-tests/test-getline.c
new file mode 100644
index 0000000..a33b289
--- /dev/null
+++ b/gnulib-tests/test-getline.c
@@ -0,0 +1,94 @@
+/* Test of getline() function.
+   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2007.  */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (getline, ssize_t, (char **, size_t *, FILE *));
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+  FILE *f;
+  char *line;
+  size_t len;
+  ssize_t result;
+
+  /* Create test file.  */
+  f = fopen ("test-getline.txt", "wb");
+  if (!f || fwrite ("a\nA\nbc\nd\0f", 1, 10, f) != 10 || fclose (f) != 0)
+    {
+      fputs ("Failed to create sample file.\n", stderr);
+      remove ("test-getline.txt");
+      return 1;
+    }
+  f = fopen ("test-getline.txt", "rb");
+  if (!f)
+    {
+      fputs ("Failed to reopen sample file.\n", stderr);
+      remove ("test-getline.txt");
+      return 1;
+    }
+
+  /* Test initial allocation, which must include trailing NUL.  */
+  line = NULL;
+  len = 0;
+  result = getline (&line, &len, f);
+  ASSERT (result == 2);
+  ASSERT (strcmp (line, "a\n") == 0);
+  ASSERT (2 < len);
+  free (line);
+
+  /* Test initial allocation again, with line = NULL and len != 0.  */
+  line = NULL;
+  len = (size_t)(~0) / 4;
+  result = getline (&line, &len, f);
+  ASSERT (result == 2);
+  ASSERT (strcmp (line, "A\n") == 0);
+  ASSERT (2 < len);
+  free (line);
+
+  /* Test growth of buffer, must not leak.  */
+  len = 1;
+  line = malloc (len);
+  result = getline (&line, &len, f);
+  ASSERT (result == 3);
+  ASSERT (strcmp (line, "bc\n") == 0);
+  ASSERT (3 < len);
+
+  /* Test embedded NULs and EOF behavior.  */
+  result = getline (&line, &len, f);
+  ASSERT (result == 3);
+  ASSERT (memcmp (line, "d\0f", 4) == 0);
+  ASSERT (3 < len);
+
+  result = getline (&line, &len, f);
+  ASSERT (result == -1);
+
+  free (line);
+  fclose (f);
+  remove ("test-getline.txt");
+  return 0;
+}
-- 
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