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-rw-r--r--lib/roken/net_read.c82
1 files changed, 63 insertions, 19 deletions
diff --git a/lib/roken/net_read.c b/lib/roken/net_read.c
index effc00112b7d..df1ac53def10 100644
--- a/lib/roken/net_read.c
+++ b/lib/roken/net_read.c
@@ -1,23 +1,23 @@
/*
- * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
+ * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- *
+ *
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- *
+ *
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -31,14 +31,7 @@
* SUCH DAMAGE.
*/
-#ifdef HAVE_CONFIG_H
#include <config.h>
-RCSID("$Id: net_read.c 21005 2007-06-08 01:54:35Z lha $");
-#endif
-
-#include <sys/types.h>
-#include <unistd.h>
-#include <errno.h>
#include "roken.h"
@@ -46,19 +39,17 @@ RCSID("$Id: net_read.c 21005 2007-06-08 01:54:35Z lha $");
* Like read but never return partial data.
*/
-ssize_t ROKEN_LIB_FUNCTION
-net_read (int fd, void *buf, size_t nbytes)
+#ifndef _WIN32
+
+ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
+net_read (rk_socket_t fd, void *buf, size_t nbytes)
{
char *cbuf = (char *)buf;
ssize_t count;
size_t rem = nbytes;
while (rem > 0) {
-#ifdef WIN32
- count = recv (fd, cbuf, rem, 0);
-#else
count = read (fd, cbuf, rem);
-#endif
if (count < 0) {
if (errno == EINTR)
continue;
@@ -72,3 +63,56 @@ net_read (int fd, void *buf, size_t nbytes)
}
return nbytes;
}
+
+#else
+
+ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
+net_read(rk_socket_t sock, void *buf, size_t nbytes)
+{
+ char *cbuf = (char *)buf;
+ ssize_t count;
+ size_t rem = nbytes;
+
+#ifdef SOCKET_IS_NOT_AN_FD
+ int use_read = 0;
+#endif
+
+ while (rem > 0) {
+#ifdef SOCKET_IS_NOT_AN_FD
+ if (use_read)
+ count = _read (sock, cbuf, rem);
+ else
+ count = recv (sock, cbuf, rem, 0);
+
+ if (use_read == 0 &&
+ rk_IS_SOCKET_ERROR(count) &&
+ (rk_SOCK_ERRNO == WSANOTINITIALISED ||
+ rk_SOCK_ERRNO == WSAENOTSOCK)) {
+ use_read = 1;
+
+ count = _read (sock, cbuf, rem);
+ }
+#else
+ count = recv (sock, cbuf, rem, 0);
+#endif
+ if (count < 0) {
+
+ /* With WinSock, the error EINTR (WSAEINTR), is used to
+ indicate that a blocking call was cancelled using
+ WSACancelBlockingCall(). */
+
+#ifndef HAVE_WINSOCK
+ if (rk_SOCK_ERRNO == EINTR)
+ continue;
+#endif
+ return count;
+ } else if (count == 0) {
+ return count;
+ }
+ cbuf += count;
+ rem -= count;
+ }
+ return nbytes;
+}
+
+#endif