Add unicode general category lookup

Generate the lookup tables from UnicodeData.txt, do to that,
add gen_ugc, which uses csv, buffers, line, io and other modules
to do the job.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/unique_fd.cc b/src/unique_fd.cc
new file mode 100644
index 0000000..135a449
--- /dev/null
+++ b/src/unique_fd.cc
@@ -0,0 +1,9 @@
+#include "unique_fd.hh"
+
+#include <unistd.h>
+
+void unique_fd::reset(int fd) {
+  if (fd_ != -1)
+    close(fd_);
+  fd_ = fd;
+}