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authorNick Mathewson <nickm@torproject.org>2012-07-05 05:01:00 -0400
committerNick Mathewson <nickm@torproject.org>2012-07-05 05:01:00 -0400
commite9b33ed1bf4140e3aeda5eb9126027fbe5a3ec5a (patch)
treec39a2423bf87c145677fb79a00d670a2b05863b0
parentd13389b30ec2e17a8f08a00f82fac420ae968cd1 (diff)
downloadtor-e9b33ed1bf4140e3aeda5eb9126027fbe5a3ec5a.tar
tor-e9b33ed1bf4140e3aeda5eb9126027fbe5a3ec5a.tar.gz
On windows, ENOBUFS starts with WSA. #6296. Fix on 0.2.18-rc
-rw-r--r--changes/bug62964
-rw-r--r--src/common/compat.h3
-rw-r--r--src/or/connection.c4
3 files changed, 9 insertions, 2 deletions
diff --git a/changes/bug6296 b/changes/bug6296
new file mode 100644
index 000000000..b452b1745
--- /dev/null
+++ b/changes/bug6296
@@ -0,0 +1,4 @@
+ o Minor bugfixes:
+
+ - Instead of ENOBUFS on Windows, say WSAENOBUFS. Fixes
+ compilation on Windows. Fixes bug 6296; bugfix on 0.2.3.18-rc.
diff --git a/src/common/compat.h b/src/common/compat.h
index 4efb0c8b8..42648bb04 100644
--- a/src/common/compat.h
+++ b/src/common/compat.h
@@ -500,6 +500,8 @@ int network_init(void);
* the actual errno after a socket operation fails.
*/
#if defined(_WIN32)
+/** Expands to WSA<b>e</b> on Windows, and to <b>e</b> elsewhere. */
+#define SOCK_ERRNO(e) WSA##e
/** Return true if e is EAGAIN or the local equivalent. */
#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN || (e) == WSAEWOULDBLOCK)
/** Return true if e is EINPROGRESS or the local equivalent. */
@@ -520,6 +522,7 @@ int network_init(void);
int tor_socket_errno(tor_socket_t sock);
const char *tor_socket_strerror(int e);
#else
+#define SOCK_ERRNO(e) e
#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN)
#define ERRNO_IS_EINPROGRESS(e) ((e) == EINPROGRESS)
#define ERRNO_IS_CONN_EINPROGRESS(e) ((e) == EINPROGRESS)
diff --git a/src/or/connection.c b/src/or/connection.c
index af5c01181..95101ef65 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -1336,7 +1336,7 @@ connection_connect(connection_t *conn, const char *address,
if (get_n_open_sockets() >= get_options()->_ConnLimit-1) {
warn_too_many_conns();
- *socket_error = ENOBUFS;
+ *socket_error = SOCK_ERRNO(ENOBUFS);
return -1;
}
@@ -1431,7 +1431,7 @@ connection_connect(connection_t *conn, const char *address,
conn->s = s;
if (connection_add_connecting(conn) < 0) {
/* no space, forget it */
- *socket_error = ENOBUFS;
+ *socket_error = SOCK_ERRNO(ENOBUFS);
return -1;
}
return inprogress ? 0 : 1;