Add cdb_init_at and cdb_init_fromfd, rename cdb_reader

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/libstddjb/cdb_init_at.c b/src/libstddjb/cdb_init_at.c
new file mode 100644
index 0000000..faea790
--- /dev/null
+++ b/src/libstddjb/cdb_init_at.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/djbunix.h>
+#include <skalibs/cdb.h>
+#include <skalibs/unix-transactional.h>
+
+int cdb_init_at (cdb *c, int dirfd, char const *file)
+{
+  int fd = open_readat(dirfd, file) ;
+  if (fd < 0) return 0 ;
+  if (!cdb_init_fromfd(c, fd))
+  {
+    fd_close(fd) ;
+    return 0 ;
+  }
+  fd_close(fd) ;
+  return 1 ;
+}