2 * Miscellaneous functions used by the cdecl99 test suite.
3 * Copyright © 2011-2012, 2021-2024 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/>.
33 void print_error(const char *fmt, ...)
35 extern const char *progname;
38 fprintf(stderr, "%s: ", progname);
41 vfprintf(stderr, fmt, ap);
44 fprintf(stderr, "\n");
47 void *realloc_nofail(void *ptr, size_t size)
51 p = realloc(ptr, size);
53 perror("failed to allocate memory");
60 void *malloc_nofail(size_t size)
62 return realloc_nofail(NULL, size);
65 static unsigned intconv_base(const char **str)
67 if ((*str)[0] == '0') {
68 if ((*str)[1] == 'X' || (*str)[1] == 'x') {
70 return INTCONV_HEXADECIMAL;
76 return INTCONV_DECIMAL;
79 bool test_strtoumax(cdecl_uintmax *out, const char *s, cdecl_uintmax limit)
81 static const char idx[] = "0123456789abcdef0123456789ABCDEF";
82 unsigned base = intconv_base(&s);
86 for (v = 0; (d = *s++);) {
87 if (!(c = strchr(idx, d)) || (d = (c-idx) & 0xf) >= base)
90 if (!intconv_shift(&v, base, d) || v > limit)
98 void test_print_options(const struct option *lopts)
100 const struct option *opt;
103 for (opt = lopts; opt->val; opt++) {
104 if (help_print_optstring(opt, "ARG", 20))