From 103ad64aa927fbcf42465399de413cfc1f942700 Mon Sep 17 00:00:00 2001
From: idgay <idgay>
Date: Wed, 6 Jun 2007 16:17:42 +0000
Subject: [PATCH] some C sdk bug fixes + Mac OS X support

---
 support/sdk/c/autoconf.h     | 2 +-
 support/sdk/c/serialsource.c | 6 ++++--
 support/sdk/c/sf.c           | 1 +
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/support/sdk/c/autoconf.h b/support/sdk/c/autoconf.h
index 6c207b1f..82855083 100644
--- a/support/sdk/c/autoconf.h
+++ b/support/sdk/c/autoconf.h
@@ -1,4 +1,4 @@
-/* autoconf.h.  Generated by configure.  */
+/* autoconf.h.  Generated from autoconf.h.in by configure.  */
 /* autoconf.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Name of package */
diff --git a/support/sdk/c/serialsource.c b/support/sdk/c/serialsource.c
index 5f777f30..1b892b79 100644
--- a/support/sdk/c/serialsource.c
+++ b/support/sdk/c/serialsource.c
@@ -193,7 +193,9 @@ static void message(serial_source src, serial_source_msg msg)
 }
 
 /* Work around buggy usb serial driver (returns 0 when no data is
-   available, independent of the blocking/non-blocking mode) */
+   available, independent of the blocking/non-blocking mode).
+   Mac OS X seems to like to do this too (at least with a Keyspan 49WG)
+*/
 static int buggyread(serial_source src, void *buffer, int n)
 {
   fd_set fds;
@@ -206,7 +208,6 @@ static int buggyread(serial_source src, void *buffer, int n)
 	{
 	  cnt = -1;
 	  errno = EAGAIN;
-	  printf("foo\n");
 	}
       return cnt;
     }
@@ -590,6 +591,7 @@ static void read_and_process(serial_source src)
 	  else
 	    {
 	      message(src, msg_bad_crc);
+	      free(received);
 	      /* We don't lose sync here. If we did, garbage on the line
 		 at startup will cause loss of the first packet. */
 	      continue;
diff --git a/support/sdk/c/sf.c b/support/sdk/c/sf.c
index b104c7d6..ada9bc5b 100644
--- a/support/sdk/c/sf.c
+++ b/support/sdk/c/sf.c
@@ -87,6 +87,7 @@ void rem_client(struct client_list **c)
 
 void new_client(int fd)
 {
+  fcntl(fd, F_SETFL, 0);
   if (init_sf_source(fd) < 0)
     close(fd);
   else
-- 
2.39.2