2 Copyright (C) 2008-2009 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Jim Meyering. */
24 #define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
25 #define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
26 #define ASSERT(expr) \
31 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
38 #include "argv-iter.h"
41 write_nul_delimited_argv (char **argv)
43 FILE *fp = tmpfile ();
47 size_t len = strlen (*argv) + 1;
48 ASSERT (fwrite (*argv, len, 1, fp) == 1);
51 ASSERT (fflush (fp) == 0);
59 /* set_program_name (argv[0]); placate overzealous "syntax-check" test. */
60 static char *av[][4] = {
68 for (use_stream = 0; use_stream < 2; use_stream++)
71 for (i = 0; i < ARRAY_CARDINALITY (av); i++)
74 struct argv_iterator *ai;
78 /* Generate an identical list to be read via FP. */
79 ASSERT ((fp = write_nul_delimited_argv (av[i])) != NULL);
80 ai = argv_iter_init_stream (fp);
85 ai = argv_iter_init_argv (av[i]);
91 enum argv_iter_err ai_err;
92 char *s = argv_iter (ai, &ai_err);
93 ASSERT ((i == n_found) == (ai_err == AI_ERR_EOF));
94 ASSERT ((s == NULL) ^ (ai_err == AI_ERR_OK));
95 ASSERT (ai_err == AI_ERR_OK || ai_err == AI_ERR_EOF);
96 if (ai_err == AI_ERR_OK)
98 if (ai_err == AI_ERR_EOF)
100 /* In stream mode, the strings are equal, but
101 in argv mode the actual pointers are equal. */
103 ? STREQ (s, av[i][n_found - 1])
104 : s == av[i][n_found - 1]);
106 ASSERT (argv_iter_n_args (ai) == i);
109 ASSERT (fclose (fp) == 0);