Build tests for ccan.

[ccan] / tools / ccanlint / tests / check_build.c

diff --git a/tools/ccanlint/tests/check_build.c b/tools/ccanlint/tests/check_build.c
new file mode 100644 (file)
index 0000000..03e3233
--- /dev/null
+++ b/tools/ccanlint/tests/check_build.c
@@ -0,0 +1,101 @@
+#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 const char *can_build(struct manifest *m)
+{
+       if (safe_mode)
+               return "Safe mode enabled";
+       return NULL;
+}
+
+static int cleanup_testfile(char *testfile)
+{
+       unlink(testfile);
+       return 0;
+}
+
+static char *obj_list(const struct manifest *m)
+{
+       char *list = talloc_strdup(m, "");
+       struct ccan_file *i;
+
+       /* Other CCAN deps. */
+       list_for_each(&m->dep_objs, i, list)
+               list = talloc_asprintf_append(list, "%s ", i->name);
+
+       return list;
+}
+
+static char *lib_list(const struct manifest *m)
+{
+       unsigned int i, num;
+       char **libs = get_libs(m, ".", ".", &num);
+       char *ret = talloc_strdup(m, "");
+
+       for (i = 0; i < num; i++)
+               ret = talloc_asprintf_append(ret, "-l %s ", libs[i]);
+       return ret;
+}
+
+static void *check_use_build(struct manifest *m)
+{
+       char *contents;
+       char *tmpfile, *outfile;
+       int fd;
+
+       tmpfile = talloc_strdup(m, tempnam("/tmp", "ccanlint"));
+       talloc_set_destructor(tmpfile, cleanup_testfile);
+       outfile = talloc_strdup(m, tempnam("/tmp", "ccanlint"));
+       talloc_set_destructor(outfile, cleanup_testfile);
+
+       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"
+                                  "int main(void)\n"
+                                  "{\n"
+                                  "    return 0;\n"
+                                  "}\n",
+                                  m->basename, m->basename);
+       if (write(fd, contents, strlen(contents)) != strlen(contents)) {
+               close(fd);
+               return "Failure writing to temporary file";
+       }
+       close(fd);
+
+       return run_command(m, "cc " CFLAGS " -o %s -x c %s -x none %s %s",
+                          outfile, tmpfile, obj_list(m), lib_list(m));
+}
+
+static const char *describe_use_build(struct manifest *m, void *check_result)
+{
+       return talloc_asprintf(check_result, 
+                              "Linking against module:\n"
+                              "%s", (char *)check_result);
+}
+
+struct ccanlint check_build = {
+       .name = "Module can be used",
+       .total_score = 1,
+       .check = check_use_build,
+       .describe = describe_use_build,
+       .can_run = can_build,
+};
+
+REGISTER_TEST(check_build, &build, NULL);