X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=tools%2Fccanlint%2Ftests%2Fcheck_depends.c;fp=tools%2Fccanlint%2Ftests%2Fcheck_depends.c;h=fecce0b63db9355e93f14dca6ac2d91c2acf4b70;hb=b0f7eb297643941bd96eb209f35fbe223cd24e10;hp=0000000000000000000000000000000000000000;hpb=54299958430208905a97aff862ec0c51cd011d16;p=ccan

diff --git a/tools/ccanlint/tests/check_depends.c b/tools/ccanlint/tests/check_depends.c
new file mode 100644
index 00000000..fecce0b6
--- /dev/null
+++ b/tools/ccanlint/tests/check_depends.c
@@ -0,0 +1,109 @@
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include <ctype.h>
+
+static bool expect_obj_file(const char *dir)
+{
+	char *olddir;
+	struct manifest *dep_man;
+	bool has_c_files;
+
+	olddir = talloc_getcwd(dir);
+	if (!olddir)
+		err(1, "Getting current directory");
+
+	/* We will fail below if this doesn't exist. */
+	if (chdir(dir) != 0)
+		return false;
+
+	dep_man = get_manifest(dir);
+	if (chdir(olddir) != 0)
+		err(1, "Returning to original directory '%s'", olddir);
+	talloc_free(olddir);
+
+	/* If it has C files, we expect an object file built from them. */
+	has_c_files = !list_empty(&dep_man->c_files);
+	talloc_free(dep_man);
+	return has_c_files;
+}
+
+/* FIXME: recursive ccanlint if they ask for it. */
+static char *add_dep(char *sofar, struct manifest *m, const char *dep)
+{
+	char *file, *dir;
+	struct stat st;
+	bool need_obj;
+
+	dir = talloc_asprintf(m, "../%s", dep);
+	need_obj = expect_obj_file(dir);
+
+	if (need_obj) {
+		file = talloc_asprintf(m, "../%s.o", dep);
+		if (stat(file, &st) == 0) {
+			struct ccan_file *f = new_ccan_file(m, file);
+			list_add_tail(&m->dep_obj_files, &f->list);
+			return sofar;
+		}
+	}
+
+	if (stat(dir, &st) == 0) {
+		if (!need_obj)
+			return sofar;
+
+		return talloc_asprintf_append(sofar,
+					      "ccan/%s: isn't built (no %s)\n",
+					      dep, file);
+	}
+
+	return talloc_asprintf_append(sofar,
+				      "ccan/%s: could not find directory %s\n",
+				      dep, dir);
+}
+
+static void *check_depends(struct manifest *m)
+{
+	unsigned int i;
+	char *report = NULL;
+	char **deps;
+
+	if (safe_mode)
+		deps = get_safe_ccan_deps(m, "..", m->basename, true);
+	else
+		deps = get_deps(m, "..", m->basename, true);
+
+	for (i = 0; deps[i]; i++) {
+		if (!strstarts(deps[i], "ccan/"))
+			continue;
+
+		report = add_dep(report, m, deps[i] + strlen("ccan/"));
+	}
+	return report;
+}
+
+static const char *describe_depends(struct manifest *m, void *check_result)
+{
+	return talloc_asprintf(check_result, 
+			       "The following dependencies are needed:\n"
+			       "%s\n", (char *)check_result);
+}
+
+struct ccanlint depends = {
+	.name = "CCAN dependencies are built",
+	.total_score = 1,
+	.check = check_depends,
+	.describe = describe_depends,
+};
+
+REGISTER_TEST(depends, NULL);