Rename "test" directory to "t".

[cdecl99.git] / t / testlib.c

diff --git a/t/testlib.c b/t/testlib.c
new file mode 100644 (file)
index 0000000..fdb9d3b
--- /dev/null
+++ b/t/testlib.c
@@ -0,0 +1,110 @@
+/*
+ *  Miscellaneous functions used by the cdecl99 test suite.
+ *  Copyright © 2011-2012, 2021-2022 Nick Bowler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <getopt.h>
+#include <cdecl.h>
+
+#include "help.h"
+#include "test.h"
+
+static size_t printbuf_size;
+static char *printbuf;
+
+void *realloc_nofail(void *ptr, size_t size)
+{
+       void *p;
+       
+       p = realloc(ptr, size);
+       if (!p) {
+               perror("failed to allocate memory");
+               abort();
+       }
+
+       return p;
+}
+
+void *malloc_nofail(size_t size)
+{
+       return realloc_nofail(NULL, size);
+}
+
+void test_print_decl(struct cdecl *decl)
+{
+       size_t rc;
+
+retry:
+       rc = cdecl_declare(printbuf, printbuf_size, decl);
+       if (rc >= printbuf_size) {
+               printbuf_size = rc + 1;
+               printbuf = realloc_nofail(printbuf, printbuf_size);
+               goto retry;
+       }
+
+       printf("%s\n", printbuf);
+}
+
+void test_explain_decl(struct cdecl *decl)
+{
+       size_t rc;
+
+retry:
+       rc = cdecl_explain(printbuf, printbuf_size, decl);
+       if (rc >= printbuf_size) {
+               printbuf_size = rc + 1;
+               printbuf = realloc_nofail(printbuf, printbuf_size);
+               goto retry;
+       }
+
+       printf("%s\n", printbuf);
+}
+
+bool strict_strtoul(unsigned long *val, const char *str, int base)
+{
+       char *end;
+
+       errno = 0;
+       *val = strtoul(str, &end, base);
+       if (errno != 0 || *end != 0)
+               return false;
+
+       return true;
+}
+
+void test_print_version(const char *program)
+{
+       printf("%s (%s) %s\n", program, PACKAGE_NAME, PACKAGE_VERSION);
+       puts("Copyright (C) 2022 Nick Bowler.");
+       puts("License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.");
+       puts("This is free software: you are free to change and redistribute it.");
+       puts("There is NO WARRANTY, to the extent permitted by law.");
+}
+
+void test_print_options(const struct option *lopts)
+{
+       const struct option *opt;
+
+       puts("Options:");
+       for (opt = lopts; opt->val; opt++) {
+               if (help_print_optstring(opt, "ARG", 20))
+                       putchar('\n');
+       }
+}