Some work on the db representation

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

1 files changed, 15 insertions, 0 deletions

diff --git a/src/libs6rcd/s6rc_db_read_hash.c b/src/libs6rcd/s6rc_db_read_hash.c
new file mode 100644
index 0000000..f33e657
--- /dev/null
+++ b/src/libs6rcd/s6rc_db_read_hash.c
@@ -0,0 +1,15 @@
+/* ISC license. */
+
+#include <string.h>
+#include <skalibs/djbunix.h>
+
+#include "db.h"
+
+int s6rc_db_read_hash (char const *dir, char *dbhash)
+{
+  size_t len = strlen(dir) ;
+  char fn[len + 6] ;
+  memcpy(fn, dir, len) ;
+  memcpy(fn + len, "/hash", 6) ;
+  return openreadnclose(fn, dbhash, 32) == 32 ;
+}