1 files changed, 16 insertions, 0 deletions
diff --git a/src/libstddjb/buffer_getvallnf.c b/src/libstddjb/buffer_getvallnf.c
new file mode 100644
index 0000000..2f4b82d
--- /dev/null
+++ b/src/libstddjb/buffer_getvallnf.c
@@ -0,0 +1,16 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/buffer.h>
+#include <skalibs/siovec.h>
+
+int buffer_getvallnofill (buffer_ref b, siovec_t const *v, unsigned int n)
+{
+  register unsigned int r = buffer_getvnofill(b, v, n) ;
+  if (r < siovec_len(v, n))
+  {
+    buffer_unget(b, r) ;
+    return (errno = ENOBUFS, 0) ;
+  }
+  return 1 ;
+}