From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libstddjb/iobuffer_ufromk.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/libstddjb/iobuffer_ufromk.c

(limited to 'src/libstddjb/iobuffer_ufromk.c')

diff --git a/src/libstddjb/iobuffer_ufromk.c b/src/libstddjb/iobuffer_ufromk.c
new file mode 100644
index 0000000..efb0368
--- /dev/null
+++ b/src/libstddjb/iobuffer_ufromk.c
@@ -0,0 +1,39 @@
+/* ISC license. */
+
+#include <skalibs/sysdeps.h>
+
+#ifdef SKALIBS_HASSPLICE
+
+#include <skalibs/iobuffer.h>
+
+int iobuffer_ufromk (iobufferu_ref u, iobufferk_ref k)
+{
+  int in = u->b[0].fd ;
+  u->b[0].fd = k->p[0] ;
+  while (k->n)
+  {
+    register int r = iobufferu_fill(u) ;
+    if (r <= 0) goto err ;
+    k->n -= r ;
+  }
+  u->b[0].fd = in ;
+  return 1 ;
+
+ err:
+  u->b[0].fd = in ;
+  return 0 ;
+}
+
+#else
+
+#include <errno.h>
+#include <skalibs/iobuffer.h>
+
+int iobuffer_ufromk (iobufferu_ref u, iobufferk_ref k)
+{
+  (void)u ;
+  (void)k ;
+  return (errno = ENOSYS, 0) ;
+}
+
+#endif
-- 
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