Improve db_path

1 files changed, 34 insertions, 0 deletions

diff --git a/src/fsutils.cc b/src/fsutils.cc
new file mode 100644
index 0000000..6058a18
--- /dev/null
+++ b/src/fsutils.cc
@@ -0,0 +1,34 @@
+#include "common.hh"
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <cerrno>
+#include <cstring>
+#include <libgen.h>
+
+#include "fsutils.hh"
+
+namespace stuff {
+
+bool isdir(const std::string& path) {
+    struct stat buf;
+    if (stat(path.c_str(), &buf)) {
+        return false;
+    }
+    return S_ISDIR(buf.st_mode);
+}
+
+bool mkdir_p(const std::string& path) {
+    if (mkdir(path.c_str(), 0777)) {
+        if (errno == EEXIST) return isdir(path);
+        char* dir = dirname(const_cast<char*>(path.c_str()));
+        if (strcmp(dir, ".") == 0 || strcmp(dir, "/") == 0) return false;
+        if (!mkdir_p(dir)) return false;
+        if (mkdir(path.c_str(), 0777)) {
+            return errno == EEXIST && isdir(path);
+        }
+    }
+    return true;
+}
+
+}  // namespace