Rework endianness conversion primitives

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/libstddjb/socket_tryreservein.c b/src/libstddjb/socket_tryreservein.c
new file mode 100644
index 0000000..26c04b2
--- /dev/null
+++ b/src/libstddjb/socket_tryreservein.c
@@ -0,0 +1,14 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+#include <sys/socket.h>
+#include <skalibs/socket.h>
+
+void socket_tryreservein (int s, unsigned int size)
+{
+  while (size >= 1024)
+  {
+    if (!setsockopt(s, SOL_SOCKET, SO_RCVBUF, &size, sizeof size)) return ;
+    size -= (size >> 5) ;
+  }
+}