From 7d355098320a0cbc54001a07e44cf9f7e7a3636c Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 12 Jan 2019 13:26:29 -0600
Subject: Merge xconnect/xbind.

---
 lib/lib.h |  4 ++--
 lib/net.c | 25 +++++++++----------------
 2 files changed, 11 insertions(+), 18 deletions(-)

(limited to 'lib')

diff --git a/lib/lib.h b/lib/lib.h
index bc54a384..3e6838ea 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -305,8 +305,8 @@ int xsocket(int domain, int type, int protocol);
 void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len);
 struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype,
   int protocol, int flags);
-int xconnect(struct addrinfo *ai_arg);
-int xbind(struct addrinfo *ai_arg);
+int xconnect(struct addrinfo *ai);
+int xbind(struct addrinfo *ai);
 int xpoll(struct pollfd *fds, int nfds, int timeout);
 int pollinate(int in1, int in2, int out1, int out2, int timeout, int shutdown_timeout);
 char *ntop(struct sockaddr *sa);
diff --git a/lib/net.c b/lib/net.c
index 880ad89b..136536fe 100644
--- a/lib/net.c
+++ b/lib/net.c
@@ -35,7 +35,7 @@ struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype,
   return ai;
 }
 
-int xconnect(struct addrinfo *ai_arg)
+int xconnbind(struct addrinfo *ai_arg, int dobind)
 {
   struct addrinfo *ai;
   int fd = -1;
@@ -44,8 +44,8 @@ int xconnect(struct addrinfo *ai_arg)
   for (ai = ai_arg; ai; ai = ai->ai_next) {
     fd = (ai->ai_next ? socket : xsocket)(ai->ai_family, ai->ai_socktype,
       ai->ai_protocol);
-    if (!connect(fd, ai->ai_addr, ai->ai_addrlen)) break;
-    else if (!ai->ai_next) perror_exit("connect");
+    if (!(dobind ? bind : connect)(fd, ai->ai_addr, ai->ai_addrlen)) break;
+    else if (!ai->ai_next) perror_exit_raw(dobind ? "bind" : "connect");
     close(fd);
   }
   freeaddrinfo(ai_arg);
@@ -53,22 +53,15 @@ int xconnect(struct addrinfo *ai_arg)
   return fd;
 }
 
-int xbind(struct addrinfo *ai_arg)
+int xconnect(struct addrinfo *ai)
 {
-  struct addrinfo *ai;
-  int fd = -1;
+  return xconnbind(ai, 0);
+}
 
-  // Try all the returned addresses. Report errors if last entry can't connect.
-  for (ai = ai_arg; ai; ai = ai->ai_next) {
-    fd = (ai->ai_next ? socket : xsocket)(ai->ai_family, ai->ai_socktype,
-      ai->ai_protocol);
-    if (!bind(fd, ai->ai_addr, ai->ai_addrlen)) break;
-    else if (!ai->ai_next) perror_exit("connect");
-    close(fd);
-  }
-  freeaddrinfo(ai_arg);
 
-  return fd;
+int xbind(struct addrinfo *ai)
+{
+  return xconnbind(ai, 1);
 }
 
 int xpoll(struct pollfd *fds, int nfds, int timeout)
-- 
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