2 Copyright (C) 2008-2016 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. */
21 #include "argv-iter.h"
28 #define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
29 #define STREQ(a, b) (strcmp (a, b) == 0)
32 write_nul_delimited_argv (char **argv)
34 FILE *fp = tmpfile ();
38 size_t len = strlen (*argv) + 1;
39 ASSERT (fwrite (*argv, len, 1, fp) == 1);
42 ASSERT (fflush (fp) == 0);
50 static char one[] = "1";
51 static char two[] = "2";
52 static char three[] = "3";
53 static char *av[][4] = {
57 {one, two, three, NULL}
61 for (use_stream = 0; use_stream < 2; use_stream++)
64 for (i = 0; i < ARRAY_CARDINALITY (av); i++)
67 struct argv_iterator *ai;
71 /* Generate an identical list to be read via FP. */
72 ASSERT ((fp = write_nul_delimited_argv (av[i])) != NULL);
73 ai = argv_iter_init_stream (fp);
78 ai = argv_iter_init_argv (av[i]);
84 enum argv_iter_err ai_err;
85 char *s = argv_iter (ai, &ai_err);
86 ASSERT ((i == n_found) == (ai_err == AI_ERR_EOF));
87 ASSERT ((s == NULL) ^ (ai_err == AI_ERR_OK));
88 ASSERT (ai_err == AI_ERR_OK || ai_err == AI_ERR_EOF);
89 if (ai_err == AI_ERR_OK)
91 if (ai_err == AI_ERR_EOF)
93 /* In stream mode, the strings are equal, but
94 in argv mode the actual pointers are equal. */
96 ? STREQ (s, av[i][n_found - 1])
97 : s == av[i][n_found - 1]);
99 ASSERT (argv_iter_n_args (ai) == i);
102 ASSERT (fclose (fp) == 0);