2 * Miscellaneous functions used by the cdecl99 test suite.
3 * Copyright © 2011-2012, 2021-2023 Nick Bowler
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 static size_t printbuf_size;
30 static char *printbuf;
32 void *realloc_nofail(void *ptr, size_t size)
36 p = realloc(ptr, size);
38 perror("failed to allocate memory");
45 void *malloc_nofail(size_t size)
47 return realloc_nofail(NULL, size);
50 void test_print_decl(struct cdecl *decl)
55 rc = cdecl_declare(printbuf, printbuf_size, decl);
56 if (rc >= printbuf_size) {
57 printbuf_size = rc + 1;
58 printbuf = realloc_nofail(printbuf, printbuf_size);
62 printf("%s\n", printbuf);
65 void test_explain_decl(struct cdecl *decl)
70 rc = cdecl_explain(printbuf, printbuf_size, decl);
71 if (rc >= printbuf_size) {
72 printbuf_size = rc + 1;
73 printbuf = realloc_nofail(printbuf, printbuf_size);
77 printf("%s\n", printbuf);
80 bool strict_strtoul(unsigned long *val, const char *str, int base)
85 *val = strtoul(str, &end, base);
86 if (errno != 0 || *end != 0)
92 void test_print_version(const char *program)
94 printf("%s (%s) %s\n", program, PACKAGE_NAME, PACKAGE_VERSION);
95 puts("Copyright (C) 2023 Nick Bowler.");
96 puts("License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.");
97 puts("This is free software: you are free to change and redistribute it.");
98 puts("There is NO WARRANTY, to the extent permitted by law.");
101 void test_print_options(const struct option *lopts)
103 const struct option *opt;
106 for (opt = lopts; opt->val; opt++) {
107 if (help_print_optstring(opt, "ARG", 20))