+static char *demangle_string(char *string)
+{
+ unsigned int i;
+ const char mapfrom[] = "abfnrtv";
+ const char mapto[] = "\a\b\f\n\r\t\v";
+
+ if (!strchr(string, '"'))
+ return NULL;
+ string = strchr(string, '"') + 1;
+ if (!strrchr(string, '"'))
+ return NULL;
+ *strrchr(string, '"') = '\0';
+
+ for (i = 0; i < strlen(string); i++) {
+ if (string[i] == '\\') {
+ char repl;
+ unsigned len = 0;
+ const char *p = strchr(mapfrom, string[i+1]);
+ if (p) {
+ repl = mapto[p - mapfrom];
+ len = 1;
+ } else if (strlen(string+i+1) >= 3) {
+ if (string[i+1] == 'x') {
+ repl = (string[i+2]-'0')*16
+ + string[i+3]-'0';
+ len = 3;
+ } else if (cisdigit(string[i+1])) {
+ repl = (string[i+2]-'0')*8*8
+ + (string[i+3]-'0')*8
+ + (string[i+4]-'0');
+ len = 3;
+ }
+ }
+ if (len == 0) {
+ repl = string[i+1];
+ len = 1;
+ }
+
+ string[i] = repl;
+ memmove(string + i + 1, string + i + len + 1,
+ strlen(string + i + len + 1) + 1);
+ }
+ }
+
+ return string;
+}
+
+
+static void read_config_header(void)
+{
+ char *fname = talloc_asprintf(NULL, "%s/config.h", ccan_dir);
+ char **lines;
+ unsigned int i;
+
+ config_header = grab_file(NULL, fname, NULL);
+ if (!config_header) {
+ talloc_free(fname);
+ return;
+ }
+
+ lines = strsplit(config_header, config_header, "\n");
+ for (i = 0; i < talloc_array_length(lines) - 1; i++) {
+ char *sym;
+ const char **line = (const char **)&lines[i];
+
+ if (!get_token(line, "#"))
+ continue;
+ if (!get_token(line, "define"))
+ continue;
+ sym = get_symbol_token(lines, line);
+ if (streq(sym, "CCAN_COMPILER") && !compiler) {
+ compiler = demangle_string(lines[i]);
+ if (!compiler)
+ errx(1, "%s:%u:could not parse CCAN_COMPILER",
+ fname, i+1);
+ if (verbose > 1)
+ printf("%s: compiler set to '%s'\n",
+ fname, compiler);
+ } else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
+ cflags = demangle_string(lines[i]);
+ if (!cflags)
+ errx(1, "%s:%u:could not parse CCAN_CFLAGS",
+ fname, i+1);
+ if (verbose > 1)
+ printf("%s: compiler flags set to '%s'\n",
+ fname, cflags);
+ }
+ }
+ if (!compiler)
+ compiler = CCAN_COMPILER;
+ if (!cflags)
+ compiler = CCAN_CFLAGS;
+}
+
+static char *opt_set_const_charp(const char *arg, const char **p)
+{
+ return opt_set_charp(arg, cast_const2(char **, p));
+}
+
+static char *opt_set_target(const char *arg, struct dgraph_node *all)
+{
+ struct ccanlint *t = find_test(arg);
+ if (!t)
+ return talloc_asprintf(NULL, "unknown --target %s", arg);
+
+ targeting = true;
+ dgraph_add_edge(&t->node, all);
+ return NULL;
+}
+
+static bool run_tests(struct dgraph_node *all,
+ bool summary,
+ struct manifest *m,
+ const char *prefix)
+{
+ struct run_info run;
+
+ run.quiet = summary;
+ run.m = m;
+ run.prefix = prefix;
+ run.score = run.total = 0;
+ run.pass = true;
+
+ dgraph_traverse_to(all, run_test, &run);
+
+ printf("%sTotal score: %u/%u\n", prefix, run.score, run.total);
+ return run.pass;
+}
+
+static bool add_to_all(const char *member, struct ccanlint *c,
+ struct dgraph_node *all)
+{
+ dgraph_add_edge(&c->node, all);
+ return true;
+}
+
+int main(int argc, char *argv[])
+{
+ bool summary = false, pass = true;
+ unsigned int i;
+ struct manifest *m;
+ const char *prefix = "";
+ char *dir = talloc_getcwd(NULL), *base_dir = dir, *testlink;
+ struct dgraph_node all;
+
+ /* Empty graph node to which we attach everything else. */
+ dgraph_init_node(&all);
+
+ opt_register_early_noarg("--verbose|-v", opt_inc_intval, &verbose,
+ "verbose mode (up to -vvvv)");
+ opt_register_noarg("-n|--safe-mode", opt_set_bool, &safe_mode,
+ "do not compile anything");
+ opt_register_noarg("-l|--list-tests", list_tests, NULL,
+ "list tests ccanlint performs (and exit)");
+ opt_register_noarg("--test-dep-graph", test_dependency_graph, NULL,
+ "print dependency graph of tests in Graphviz .dot format");
+ opt_register_noarg("-k|--keep", keep_tests, NULL,
+ "do not delete ccanlint working files");
+ opt_register_noarg("--summary|-s", opt_set_bool, &summary,
+ "simply give one line summary");
+ opt_register_arg("-x|--exclude <testname>", exclude_test, NULL, NULL,
+ "exclude <testname> (can be used multiple times)");
+ opt_register_arg("--timeout <milleseconds>", opt_set_uintval,
+ NULL, &timeout,
+ "ignore (terminate) tests that are slower than this");
+ opt_register_arg("-t|--target <testname>", opt_set_target, NULL, &all,
+ "only run one test (and its prerequisites)");
+ opt_register_arg("--compiler <compiler>", opt_set_const_charp,
+ NULL, &compiler, "set the compiler");
+ opt_register_arg("--cflags <flags>", opt_set_const_charp,
+ NULL, &cflags, "set the compiler flags");
+ opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
+ "\nA program for checking and guiding development"
+ " of CCAN modules.",
+ "This usage message");
+
+ /* Do verbose before anything else... */
+ opt_early_parse(argc, argv, opt_log_stderr_exit);