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
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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
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34 void print_error(const char *fmt, ...)
36 extern const char *progname;
39 fprintf(stderr, "%s: ", progname);
42 vfprintf(stderr, fmt, ap);
45 fprintf(stderr, "\n");
48 void *realloc_nofail(void *ptr, size_t size)
52 p = realloc(ptr, size);
54 perror("failed to allocate memory");
61 void *malloc_nofail(size_t size)
63 return realloc_nofail(NULL, size);
66 static unsigned intconv_base(const char **str)
68 if ((*str)[0] == '0') {
69 if ((*str)[1] == 'X' || (*str)[1] == 'x') {
71 return INTCONV_HEXADECIMAL;
77 return INTCONV_DECIMAL;
80 bool test_strtoumax(cdecl_uintmax *out, const char *s, cdecl_uintmax limit)
82 static const char idx[] = "0123456789abcdef0123456789ABCDEF";
83 unsigned base = intconv_base(&s);
87 for (v = 0; (d = *s++);) {
88 if (!(c = strchr(idx, d)) || (d = (c-idx) & 0xf) >= base)
91 if (!intconv_shift(&v, base, d) || v > limit)
99 void test_print_options(const struct option *lopts)
101 const struct option *opt;
104 for (opt = lopts; opt->val; opt++) {
105 if (help_print_optstring(opt, "ARG", 20))
110 int test_getline(char **linebuf, size_t *n)
114 if ((rc = dx_getline(linebuf, n, stdin)) < 0) {
115 if (rc == DX_GETLINE_ENOMEM)
116 print_error("%s", _("failed to allocate memory"));
118 print_error("%s", strerror(errno));