/* Test of getdelim() function.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 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
#include <config.h>
#include <stdio.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (getdelim, ssize_t, (char **, size_t *, int, FILE *));
+
#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)
+#include "macros.h"
int
main (void)
{
FILE *f;
- char *line = NULL;
- size_t len = 0;
+ char *line;
+ size_t len;
ssize_t result;
/* Create test file. */
f = fopen ("test-getdelim.txt", "wb");
- if (!f || fwrite ("anbcnd\0f", 1, 8, f) != 8 || fclose (f) != 0)
+ if (!f || fwrite ("anAnbcnd\0f", 1, 10, f) != 10 || fclose (f) != 0)
{
fputs ("Failed to create sample file.\n", stderr);
remove ("test-getdelim.txt");
}
/* Test initial allocation, which must include trailing NUL. */
+ line = NULL;
+ len = 0;
result = getdelim (&line, &len, 'n', f);
ASSERT (result == 2);
ASSERT (strcmp (line, "an") == 0);
ASSERT (2 < len);
+ free (line);
- /* Test growth of buffer. */
+ /* Test initial allocation again, with line = NULL and len != 0. */
+ line = NULL;
+ len = (size_t)(~0) / 4;
+ result = getdelim (&line, &len, 'n', f);
+ ASSERT (result == 2);
+ ASSERT (strcmp (line, "An") == 0);
+ ASSERT (2 < len);
free (line);
+
+ /* Test growth of buffer. */
line = malloc (1);
len = 1;
result = getdelim (&line, &len, 'n', f);