initial commit with rc for skalibs-2.0.0.0

1 files changed, 11 insertions, 0 deletions

diff --git a/src/libunixonacid/kolbak_unenqueue.c b/src/libunixonacid/kolbak_unenqueue.c
new file mode 100644
index 0000000..894beea
--- /dev/null
+++ b/src/libunixonacid/kolbak_unenqueue.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/kolbak.h>
+
+int kolbak_unenqueue (kolbak_queue_t *q)
+{
+  if (q->head == q->tail) return (errno = EINVAL, 0) ;
+  q->tail = (q->tail + q->n - 1) % q->n ;
+  return 1 ;
+}