1 files changed, 20 insertions, 0 deletions
diff --git a/src/libstddjb/buffer_flush.c b/src/libstddjb/buffer_flush.c
new file mode 100644
index 0000000..ca6ca6b
--- /dev/null
+++ b/src/libstddjb/buffer_flush.c
@@ -0,0 +1,20 @@
+/* ISC license. */
+
+#include <skalibs/buffer.h>
+#include <skalibs/cbuffer.h>
+#include <skalibs/siovec.h>
+
+int buffer_flush (buffer *b)
+{
+  for (;;)
+  {
+    siovec_t v[2] ;
+    register int r ;
+    buffer_rpeek(b, v) ;
+    if (!v[0].len && !v[1].len) break ;
+    r = (*b->op)(b->fd, v, 2, b->aux) ;
+    if (r <= 0) return 0 ;
+    cbuffer_RSEEK(&b->c, r) ;
+  }
+  return 1 ;
+}