-/*
- * Format a declaration according to the given function and return a pointer
- * to the formatted string. The returned pointer remains valid until the
- * next call, after which it must not be re-used.
- *
- * Returns NULL on failure.
- */
-static const char *
-do_format(size_t func(char *, size_t, struct cdecl *), struct cdecl *decl)
-{
- static size_t bufsz;
- static char *buf;
-
- size_t rc;
-
-retry:
- rc = func(buf, bufsz, decl);
- if (rc >= bufsz) {
- char *tmp;
-
- tmp = realloc(buf, rc + 1);
- if (!tmp) {
- fprintf(stderr, "%s\n", _("failed to allocate memory"));
- return NULL;
- }
-
- buf = tmp;
- bufsz = rc + 1;
- goto retry;
- }
-
- return buf;
-}
-
-static int cmd_explain(const char *cmd, const char *arg)
-{
- const struct cdecl_error *err;
- struct cdecl *decl;
- const char *str;
- int ret = -1;
-
- decl = cdecl_parse_decl(arg);
- if (!decl) {
- err = cdecl_get_error();
- fprintf(stderr, "%s\n", err->str);
- goto out;
- }
-
- for (struct cdecl *i = decl; i; i = i->next) {
- str = do_format(cdecl_explain, i);
- if (!str)
- goto out;
-
- printf("%s\n", str);
- }
-
- ret = 1;
-out:
- cdecl_free(decl);
- return ret;
-}
-
-static int cmd_simplify(const char *cmd, const char *arg)
-{
- const struct cdecl_error *err;
- struct cdecl *decl;
- const char *str;
- int ret = -1;
-
- decl = cdecl_parse_decl(arg);
- if (!decl) {
- err = cdecl_get_error();
- fprintf(stderr, "%s\n", err->str);
- goto out;
- }
-
- for (struct cdecl *i = decl; i; i = i->next) {
- struct cdecl_declspec *s = i->specifiers;
-
- if (i != decl) {
- i->specifiers = NULL;
- printf(", ");
- }
-
- str = do_format(cdecl_declare, i);
- i->specifiers = s;
-
- if (!str)
- goto out;
-
- printf("%s", str);
- }
-
- putchar('\n');
-
- ret = 1;
-out:
- cdecl_free(decl);
- return ret;
-}
-
-static int cmd_declare(const char *cmd, const char *arg)