1 files changed, 23 insertions, 0 deletions
diff --git a/src/libstddjb/ipc_local.c b/src/libstddjb/ipc_local.c
new file mode 100644
index 0000000..57ffb37
--- /dev/null
+++ b/src/libstddjb/ipc_local.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/webipc.h>
+
+int ipc_local (int s, char *p, unsigned int l, int *trunc)
+{
+  struct sockaddr_un sa ;
+  socklen_t dummy = sizeof sa ;
+  byte_zero((char *)&sa, sizeof sa) ;
+  if (getsockname(s, (struct sockaddr *)&sa, &dummy) == -1) return -1 ;
+  dummy = byte_chr(sa.sun_path, dummy, 0) ;
+  *trunc = 1 ;
+  if (!l) return 0 ;
+  if (l < (dummy + 1)) dummy = l - 1 ;
+  else *trunc = 0 ;
+  byte_copy(p, dummy, sa.sun_path) ;
+  p[dummy] = 0 ;
+  return 0 ;
+}