Import sources from 2011-03-30 iso image

1 files changed, 49 insertions, 0 deletions

diff --git a/sys/src/ape/lib/bsd/getpeername.c b/sys/src/ape/lib/bsd/getpeername.c
new file mode 100755
index 000000000..e4dd3109c
--- /dev/null
+++ b/sys/src/ape/lib/bsd/getpeername.c
@@ -0,0 +1,49 @@
+/* posix */
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+
+/* bsd extensions */
+#include <sys/uio.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+
+#include "priv.h"
+
+int
+getpeername(int fd, struct sockaddr *addr, int *alen)
+{
+	Rock *r;
+	int i;
+	struct sockaddr_in *rip;
+	struct sockaddr_un *runix;
+
+	r = _sock_findrock(fd, 0);
+	if(r == 0){
+		errno = ENOTSOCK;
+		return -1;
+	}
+
+	switch(r->domain){
+	case PF_INET:
+		rip = (struct sockaddr_in*)&r->raddr;
+		memmove(addr, rip, sizeof(struct sockaddr_in));
+		*alen = sizeof(struct sockaddr_in);
+		break;
+	case PF_UNIX:
+		runix = (struct sockaddr_un*)&r->raddr;
+		i = &runix->sun_path[strlen(runix->sun_path)] - (char*)runix;
+		memmove(addr, runix, i);
+		*alen = i;
+		break;
+	default:
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+	return 0;
+}