Refactor cdbmake, add cdbmake_addv, cdb_hashv

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

1 files changed, 30 insertions, 0 deletions

diff --git a/src/libstddjb/cdbmake_addv.c b/src/libstddjb/cdbmake_addv.c
new file mode 100644
index 0000000..d8719a4
--- /dev/null
+++ b/src/libstddjb/cdbmake_addv.c
@@ -0,0 +1,30 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <sys/uio.h>
+
+#include <skalibs/uint32.h>
+#include <skalibs/diuint32.h>
+#include <skalibs/buffer.h>
+#include <skalibs/genalloc.h>
+#include <skalibs/siovec.h>
+#include <skalibs/cdbmake.h>
+#include "cdb-internal.h"
+#include "cdbmake-internal.h"
+
+int cdbmake_addv (cdbmaker *c, struct iovec const *kv, unsigned int kn, struct iovec const *dv, unsigned int dn)
+{
+  size_t keylen = siovec_len(kv, kn) ;
+  size_t datalen = siovec_len(dv, dn) ;
+  if (keylen > UINT32_MAX || datalen > UINT32_MAX) return (errno = EOVERFLOW, 0) ;
+
+  if (!cdbmake_addbegin(c, keylen, datalen)
+   || buffer_putv(&c->b, kv, kn) < keylen
+   || buffer_putv(&c->b, dv, dn) < datalen
+   || !cdbmake_addend(c, keylen, datalen, cdb_hashv(kv, kn)))
+  {
+    genalloc_free(diuint32, &c->hplist) ;
+    return 0 ;
+  }
+  return 1 ;
+}