1 files changed, 28 insertions, 0 deletions
diff --git a/src/sysdeps/trysplice.c b/src/sysdeps/trysplice.c
new file mode 100644
index 0000000..6b566b8
--- /dev/null
+++ b/src/sysdeps/trysplice.c
@@ -0,0 +1,28 @@
+/* ISC license. */
+
+#define _GNU_SOURCE
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define N 4096
+
+int main (void)
+{
+  char buf[N] ;
+  int p[2] ;
+  int fd ;
+  if (pipe(p) < 0) return 111 ;
+  fd = open("./src/sysdeps/trysplice.c", O_RDONLY) ;
+  if (fd < 0) return 111 ;
+
+  for (;;)
+  {
+    register int r = splice(fd, 0, p[1], 0, N, 0) ;
+    if (r < 0) return 1 ;
+    if (!r) break ;
+    if (splice(p[0], 0, 1, 0, r, 0) < r) return 2 ;
+  }
+  return 0 ;
+}