From 5f11ebd64f33d21b1e2f4db6b5c1790827e0a078 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 11 Feb 2013 12:19:28 +0100
Subject: Add dup() wrapper.

---
 src/socket_wrapper.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/socket_wrapper.c b/src/socket_wrapper.c
index 303069f..9f31f20 100644
--- a/src/socket_wrapper.c
+++ b/src/socket_wrapper.c
@@ -234,6 +234,17 @@ static int real_connect(int sockfd,
 	return libc_connect(sockfd, addr, addrlen);
 }
 
+static int (*libc_dup)(int fd);
+
+static int real_dup(int fd)
+{
+	if (libc_dup == NULL) {
+		*(void **)(&libc_dup) = libc_dlsym("dup");
+	}
+
+	return libc_dup(fd);
+}
+
 static int (*libc_getpeername)(int sockfd,
 			       struct sockaddr *addr,
 			       socklen_t *addrlen);
@@ -2888,8 +2899,7 @@ int close(int fd)
 	return ret;
 }
 
-#if 0
-_PUBLIC_ int swrap_dup(int fd)
+int dup(int fd)
 {
 	struct socket_info *si;
 	struct socket_info_fd *fi;
@@ -2918,6 +2928,7 @@ _PUBLIC_ int swrap_dup(int fd)
 	return fi->fd;
 }
 
+#if 0
 _PUBLIC_ int swrap_dup2(int fd, int newfd)
 {
 	struct socket_info *si;
-- 
cgit