From 6bae0b3d69c7968586afc73827b5844c6a23873f Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Fri, 16 Mar 2018 12:31:17 +0000
Subject:  Add genqdyn_unpush, bufalloc_unput

---
 src/libdatastruct/genqdyn_unpush.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/libdatastruct/genqdyn_unpush.c

(limited to 'src/libdatastruct')

diff --git a/src/libdatastruct/genqdyn_unpush.c b/src/libdatastruct/genqdyn_unpush.c
new file mode 100644
index 0000000..10100c9
--- /dev/null
+++ b/src/libdatastruct/genqdyn_unpush.c
@@ -0,0 +1,12 @@
+/* ISC license. */
+
+#include <skalibs/errno.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/genqdyn.h>
+
+int genqdyn_unpush (genqdyn *g)
+{
+  if (g->queue.len < g->esize) return (errno = EINVAL, 0) ;
+  g->queue.len -= g->esize ;
+  return 1 ;
+}
-- 
cgit v1.2.3