Add fd_shutdown()

2 files changed, 15 insertions, 0 deletions

diff --git a/src/include/skalibs/djbunix.h b/src/include/skalibs/djbunix.h
index 3c52f6a..03cc1af 100644
--- a/src/include/skalibs/djbunix.h
+++ b/src/include/skalibs/djbunix.h
@@ -34,6 +34,7 @@ extern int fd_cat (int, int) ;
 extern size_t fd_catn (int, int, size_t) ;
 extern int fd_ensure_open (int, int) ;
 #define fd_sanitize() (fd_ensure_open(0, 0) && fd_ensure_open(1, 1) && fd_ensure_open(2, 1))
+extern void fd_shutdown (int, int) ;
 extern int lock_ex (int) ;
 extern int lock_exnb (int) ;
 extern int lock_sh (int) ;
diff --git a/src/libstddjb/fd_shutdown.c b/src/libstddjb/fd_shutdown.c
new file mode 100644
index 0000000..52e00c7
--- /dev/null
+++ b/src/libstddjb/fd_shutdown.c
@@ -0,0 +1,14 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+#include <errno.h>
+#include <sys/socket.h>
+
+#include <skalibs/djbunix.h>
+
+void fd_shutdown (int fd, int h)
+{
+  int e = errno ;
+  shutdown(fd, h ? SHUT_WR : SHUT_RD) ;
+  errno = e ;
+}