Portability fixes + a couple of bug fixes introduced by last push.

Docs/manual.texi:
  Removed wrong web links
include/mysql_com.h:
  Portability fix
libmysqld/Makefile.am:
  Fix 'make dist'
mysys/mf_dirname.c:
  Bugfix for last push
scripts/explain_log.sh:
  Nicer output
scripts/mysql_install_db.sh:
  Removed warnings when using 'mysql_install_db'
sql/sql_parse.cc:
  Ensure that thd->query_length is always set
sql/sql_show.cc:
  cleanup
sql/sql_yacc.yy:
  Fix bug in last push
vio/vio.c:
  Merge with violite.cc
vio/viosocket.c:
  Merge with violite.cc

2 files changed, 17 insertions, 33 deletions

diff --git a/vio/vio.c b/vio/vio.c
index 15a12bb958d..95d318ba118 100644
--- a/vio/vio.c
+++ b/vio/vio.c
@@ -38,26 +38,10 @@
 #include <sys/ioctl.h>
 #endif
 
-#if defined(__EMX__)
+#if defined(__EMX__) || defined(OS2)
 #define ioctlsocket ioctl
 #endif	/* defined(__EMX__) */
 
-#if defined(MSDOS) || defined(__WIN__)
-#ifdef __WIN__
-#undef errno
-#undef EINTR
-#undef EAGAIN
-#define errno WSAGetLastError()
-#define EINTR  WSAEINTR
-#define EAGAIN WSAEINPROGRESS
-#endif /* __WIN__ */
-#define O_NONBLOCK 1    /* For emulation of fcntl() */
-#endif
-#ifndef EWOULDBLOCK
-#define EWOULDBLOCK EAGAIN
-#endif
-
-
 /*
  * Helper to fill most of the Vio* with defaults.
  */
diff --git a/vio/viosocket.c b/vio/viosocket.c
index 60272db3171..aacfab42810 100644
--- a/vio/viosocket.c
+++ b/vio/viosocket.c
@@ -39,23 +39,23 @@
 #include <sys/ioctl.h>
 #endif
 
-#if defined(__EMX__)
+
+#if !defined(MSDOS) && !defined(__WIN__) && !defined(HAVE_BROKEN_NETINET_INCLUDES) && !defined(__BEOS__)
+#include <netinet/ip.h>
+#if !defined(alpha_linux_port)
+#include <netinet/tcp.h>
+#endif
+#endif
+
+#if defined(__EMX__) || defined(OS2)
 #define ioctlsocket ioctl
 #endif	/* defined(__EMX__) */
 
 #if defined(MSDOS) || defined(__WIN__)
-#ifdef __WIN__
-#undef errno
-#undef EINTR
-#undef EAGAIN
-#define errno WSAGetLastError()
-#define EINTR  WSAEINTR
-#define EAGAIN WSAEINPROGRESS
-#endif /* __WIN__ */
 #define O_NONBLOCK 1    /* For emulation of fcntl() */
 #endif
 #ifndef EWOULDBLOCK
-#define EWOULDBLOCK EAGAIN
+#define SOCKET_EWOULDBLOCK SOCKET_EAGAIN
 #endif
 
 #ifndef __WIN__
@@ -76,7 +76,7 @@ void vio_delete(Vio* vio)
 
 int vio_errno(Vio *vio __attribute__((unused)))
 {
-  return errno;			/* On Win32 this mapped to WSAGetLastError() */
+  return socket_errno;		/* On Win32 this mapped to WSAGetLastError() */
 }
 
 
@@ -129,7 +129,7 @@ int vio_write(Vio * vio, const gptr buf, int size)
 #ifndef DBUG_OFF
   if (r < 0)
   {
-    DBUG_PRINT("vio_error", ("Got error on write: %d",errno));
+    DBUG_PRINT("vio_error", ("Got error on write: %d",socket_errno));
   }
 #endif /* DBUG_OFF */
   DBUG_PRINT("exit", ("%d", r));
@@ -242,8 +242,8 @@ int vio_keepalive(Vio* vio, my_bool set_keep_alive)
 my_bool
 vio_should_retry(Vio * vio __attribute__((unused)))
 {
-  int en = errno;
-  return en == EAGAIN || en == EINTR || en == EWOULDBLOCK;
+  int en = socket_errno;
+  return en == SOCKET_EAGAIN || en == SOCKET_EINTR || en == SOCKET_EWOULDBLOCK;
 }
 
 
@@ -271,7 +271,7 @@ int vio_close(Vio * vio)
   }
   if (r)
   {
-    DBUG_PRINT("vio_error", ("close() failed, error: %d",errno));
+    DBUG_PRINT("vio_error", ("close() failed, error: %d",socket_errno));
     /* FIXME: error handling (not critical for MySQL) */
   }
   vio->type= VIO_CLOSED;
@@ -310,7 +310,7 @@ my_bool vio_peer_addr(Vio * vio, char *buf)
     if (getpeername(vio->sd, (struct sockaddr *) (& (vio->remote)),
 		    &addrLen) != 0)
     {
-      DBUG_PRINT("exit", ("getpeername, error: %d", errno));
+      DBUG_PRINT("exit", ("getpeername, error: %d", socket_errno));
       DBUG_RETURN(1);
     }
     my_inet_ntoa(vio->remote.sin_addr,buf);