/lib/libgsasl/libgsasl-1.0/gltests/test-getline.c
C | 90 lines | 58 code | 11 blank | 21 comment | 15 complexity | 7f3956b1af12b648fdbf4f46f0f30714 MD5 | raw file
Possible License(s): LGPL-2.1, BSD-3-Clause, MPL-2.0-no-copyleft-exception, LGPL-3.0, Unlicense, GPL-2.0, GPL-3.0, CC-BY-SA-3.0, AGPL-1.0, ISC, MIT, 0BSD, LGPL-2.0
- /* Test of getline() function.
- Copyright (C) 2007-2008 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, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
- /* Written by Eric Blake <ebb9@byu.net>, 2007. */
- #include <config.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- fflush (stderr); \
- abort (); \
- } \
- } \
- while (0)
- int
- main (int argc, char **argv)
- {
- FILE *f;
- char *line = NULL;
- size_t len = 0;
- ssize_t result;
- /* Create test file. */
- f = fopen ("test-getline.txt", "wb");
- if (!f || fwrite ("a\nbc\nd\0f", 1, 8, f) != 8 || 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. */
- result = getline (&line, &len, f);
- ASSERT (result == 2);
- ASSERT (strcmp (line, "a\n") == 0);
- ASSERT (2 < len);
- /* Test growth of buffer, must not leak. */
- free (line);
- line = malloc (1);
- len = 0;
- 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;
- }