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authorLaurent Bercot <ska-skaware@skarnet.org>2022-06-01 12:36:34 +0000
committerLaurent Bercot <ska@appnovation.com>2022-06-01 12:36:34 +0000
commite88276fdec7b3b94ec939f5eb1c8def004ee3878 (patch)
tree118f28d54fe208fe823e5e4cc775bbf377ea53a4 /src/libstddjb/socket_tryreservein.c
parent37b42c179bb00d05cb47c739cb95283548f84fb2 (diff)
downloadskalibs-e88276fdec7b3b94ec939f5eb1c8def004ee3878.tar.xz
Rework endianness conversion primitives
Signed-off-by: Laurent Bercot <ska@appnovation.com>
Diffstat (limited to 'src/libstddjb/socket_tryreservein.c')
-rw-r--r--src/libstddjb/socket_tryreservein.c14
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) ;
+ }
+}