tools/ccanlint: build tests are now compulsory

[ccan] / tools / ccanlint / compulsory_tests / check_includes_build.c

diff --git a/tools/ccanlint/compulsory_tests/check_includes_build.c b/tools/ccanlint/compulsory_tests/check_includes_build.c
new file mode 100644 (file)
index 0000000..7e0ab94
--- /dev/null
+++ b/tools/ccanlint/compulsory_tests/check_includes_build.c
@@ -0,0 +1,67 @@
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/grab_file/grab_file.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 const char *can_build(struct manifest *m)
+{
+       if (safe_mode)
+               return "Safe mode enabled";
+       return NULL;
+}
+
+static void *check_includes_build(struct manifest *m)
+{
+       char *contents;
+       char *tmpfile, *err;
+       int fd;
+
+       tmpfile = temp_file(m, ".c");
+
+       fd = open(tmpfile, O_WRONLY | O_CREAT | O_EXCL, 0600);
+       if (fd < 0)
+               return talloc_asprintf(m, "Creating temporary file: %s",
+                                      strerror(errno));
+
+       contents = talloc_asprintf(tmpfile, "#include <ccan/%s/%s.h>\n",
+                                  m->basename, m->basename);
+       if (write(fd, contents, strlen(contents)) != strlen(contents)) {
+               close(fd);
+               return "Failure writing to temporary file";
+       }
+       close(fd);
+
+       if (compile_object(m, tmpfile, &err))
+               return NULL;
+       return err;
+}
+
+static const char *describe_includes_build(struct manifest *m,
+                                          void *check_result)
+{
+       return talloc_asprintf(check_result, 
+                              "#include of the main header file:\n"
+                              "%s", (char *)check_result);
+}
+
+struct ccanlint includes_build = {
+       .name = "Can compile against main header",
+       .total_score = 1,
+       .check = check_includes_build,
+       .describe = describe_includes_build,
+       .can_run = can_build,
+};
+
+REGISTER_TEST(includes_build, &depends_exist, NULL);