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authorLaurent Bercot <ska-skaware@skarnet.org>2021-07-23 16:43:57 +0000
committerLaurent Bercot <ska@appnovation.com>2021-07-23 16:43:57 +0000
commitdd6bb6c6b8298ebeff2d1882becb36580b969d6f (patch)
tree3d922a5791e7e34e2b041ea5f3489360bfa798e1 /src/libstddjb/cdb_traverse_next.c
parent122f9363682e5de8ce4056c4c05c1eaf8935cf19 (diff)
downloadskalibs-dd6bb6c6b8298ebeff2d1882becb36580b969d6f.tar.xz
New 2.11.0.0 branch with several modifications
- libbiguint removed - cdb_make changed to cdbmake (because different ui) - cdb redesigned Signed-off-by: Laurent Bercot <ska@appnovation.com>
Diffstat (limited to 'src/libstddjb/cdb_traverse_next.c')
-rw-r--r--src/libstddjb/cdb_traverse_next.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/libstddjb/cdb_traverse_next.c b/src/libstddjb/cdb_traverse_next.c
new file mode 100644
index 0000000..887574b
--- /dev/null
+++ b/src/libstddjb/cdb_traverse_next.c
@@ -0,0 +1,25 @@
+/* ISC license. */
+
+#include <stdint.h>
+
+#include <skalibs/uint32.h>
+#include <skalibs/cdb.h>
+#include "cdb-internal.h"
+
+int cdb_traverse_next (cdb const *c, cdb_data *key, cdb_data *data, uint32_t *pos)
+{
+ uint32_t eod ;
+ char const *p = cdb_p(c, 4, 0) ;
+ if (!p) return -1 ;
+ uint32_unpack(p, &eod) ;
+ if (eod < 8 || eod - 8 < *pos) return 0 ;
+ if (*pos + 8 < *pos) return -1 ;
+ p = cdb_p(c, 8, *pos) ;
+ if (!p) return -1 ;
+ uint32_unpack(p, &key->len) ;
+ uint32_unpack(p + 4, &data->len) ;
+ key->s = c->map + *pos + 8 ;
+ data->s = key->s + key->len ;
+ *pos += 8 + key->len + data->len ;
+ return 1 ;
+}