vtls: fix narrowing conversion warnings

Curl_timeleft returns `timediff_t`, which is 64 bits wide also on
32-bit systems since commit b1616dad8f0.

Closes https://github.com/curl/curl/pull/4398

9 files changed, 20 insertions, 19 deletions

diff --git a/lib/vtls/gskit.c b/lib/vtls/gskit.c
index b93ff5d4f..296362e52 100644
--- a/lib/vtls/gskit.c
+++ b/lib/vtls/gskit.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -1157,7 +1157,7 @@ static CURLcode gskit_connect_common(struct connectdata *conn, int sockindex,
 {
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
-  long timeout_ms;
+  timediff_t timeout_ms;
   CURLcode result = CURLE_OK;
 
   *done = connssl->state == ssl_connection_complete;
diff --git a/lib/vtls/gtls.c b/lib/vtls/gtls.c
index 8693cdce3..0a83f35af 100644
--- a/lib/vtls/gtls.c
+++ b/lib/vtls/gtls.c
@@ -288,7 +288,7 @@ static CURLcode handshake(struct connectdata *conn,
   curl_socket_t sockfd = conn->sock[sockindex];
 
   for(;;) {
-    time_t timeout_ms;
+    timediff_t timeout_ms;
     int rc;
 
     /* check allowed time left */
@@ -311,7 +311,7 @@ static CURLcode handshake(struct connectdata *conn,
 
       what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
                                nonblocking?0:
-                               timeout_ms?timeout_ms:1000);
+                               timeout_ms?(time_t)timeout_ms:1000);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
diff --git a/lib/vtls/mbedtls.c b/lib/vtls/mbedtls.c
index 63d1f4c81..27898505f 100644
--- a/lib/vtls/mbedtls.c
+++ b/lib/vtls/mbedtls.c
@@ -884,7 +884,7 @@ mbed_connect_common(struct connectdata *conn,
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   curl_socket_t sockfd = conn->sock[sockindex];
-  long timeout_ms;
+  timediff_t timeout_ms;
   int what;
 
   /* check if the connection has already been established */
@@ -930,7 +930,7 @@ mbed_connect_common(struct connectdata *conn,
         connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
 
       what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
-                               nonblocking ? 0 : timeout_ms);
+                               nonblocking ? 0 : (time_t)timeout_ms);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
diff --git a/lib/vtls/mesalink.c b/lib/vtls/mesalink.c
index 9507888bd..cab1e390b 100644
--- a/lib/vtls/mesalink.c
+++ b/lib/vtls/mesalink.c
@@ -6,7 +6,7 @@
  *                             \___|\___/|_| \_\_____|
  *
  * Copyright (C) 2017 - 2018, Yiming Jing, <jingyiming@baidu.com>
- * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -494,7 +494,7 @@ mesalink_connect_common(struct connectdata *conn, int sockindex,
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   curl_socket_t sockfd = conn->sock[sockindex];
-  time_t timeout_ms;
+  timediff_t timeout_ms;
   int what;
 
   /* check if the connection has already been established */
@@ -543,7 +543,8 @@ mesalink_connect_common(struct connectdata *conn, int sockindex,
                                : CURL_SOCKET_BAD;
 
       what = Curl_socket_check(
-        readfd, CURL_SOCKET_BAD, writefd, nonblocking ? 0 : timeout_ms);
+        readfd, CURL_SOCKET_BAD, writefd,
+        nonblocking ? 0 : (time_t)timeout_ms);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
diff --git a/lib/vtls/nss.c b/lib/vtls/nss.c
index 435f3e93a..a375f00da 100644
--- a/lib/vtls/nss.c
+++ b/lib/vtls/nss.c
@@ -2127,7 +2127,7 @@ static CURLcode nss_do_connect(struct connectdata *conn, int sockindex)
 
 
   /* check timeout situation */
-  const time_t time_left = Curl_timeleft(data, NULL, TRUE);
+  const timediff_t time_left = Curl_timeleft(data, NULL, TRUE);
   if(time_left < 0) {
     failf(data, "timed out before SSL handshake");
     result = CURLE_OPERATION_TIMEDOUT;
diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 5eeffd2d9..28d23c50f 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -3654,7 +3654,7 @@ static CURLcode ossl_connect_common(struct connectdata *conn,
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   curl_socket_t sockfd = conn->sock[sockindex];
-  time_t timeout_ms;
+  timediff_t timeout_ms;
   int what;
 
   /* check if the connection has already been established */
@@ -3701,7 +3701,7 @@ static CURLcode ossl_connect_common(struct connectdata *conn,
         connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
 
       what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
-                               nonblocking?0:timeout_ms);
+                               nonblocking?0:(time_t)timeout_ms);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
diff --git a/lib/vtls/polarssl.c b/lib/vtls/polarssl.c
index 7ea26b442..9e7dd9043 100644
--- a/lib/vtls/polarssl.c
+++ b/lib/vtls/polarssl.c
@@ -734,7 +734,7 @@ polarssl_connect_common(struct connectdata *conn,
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   curl_socket_t sockfd = conn->sock[sockindex];
-  long timeout_ms;
+  timediff_t timeout_ms;
   int what;
 
   /* check if the connection has already been established */
@@ -781,7 +781,7 @@ polarssl_connect_common(struct connectdata *conn,
         connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
 
       what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
-                               nonblocking?0:timeout_ms);
+                               nonblocking?0:(time_t)timeout_ms);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
diff --git a/lib/vtls/schannel.c b/lib/vtls/schannel.c
index 0f6f734fd..37273135c 100644
--- a/lib/vtls/schannel.c
+++ b/lib/vtls/schannel.c
@@ -1347,7 +1347,7 @@ schannel_connect_common(struct connectdata *conn, int sockindex,
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   curl_socket_t sockfd = conn->sock[sockindex];
-  time_t timeout_ms;
+  timediff_t timeout_ms;
   int what;
 
   /* check if the connection has already been established */
@@ -1394,7 +1394,7 @@ schannel_connect_common(struct connectdata *conn, int sockindex,
         connssl->connecting_state ? sockfd : CURL_SOCKET_BAD;
 
       what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
-                               nonblocking ? 0 : timeout_ms);
+                               nonblocking ? 0 : (time_t)timeout_ms);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL/TLS socket, errno: %d", SOCKERRNO);
@@ -1544,7 +1544,7 @@ schannel_send(struct connectdata *conn, int sockindex,
     /* send entire message or fail */
     while(len > (size_t)written) {
       ssize_t this_write;
-      time_t timeleft;
+      timediff_t timeleft;
       int what;
 
       this_write = 0;
diff --git a/lib/vtls/sectransp.c b/lib/vtls/sectransp.c
index 3fb125ab5..8b8f34ece 100644
--- a/lib/vtls/sectransp.c
+++ b/lib/vtls/sectransp.c
@@ -2805,7 +2805,7 @@ sectransp_connect_common(struct connectdata *conn,
   struct Curl_easy *data = conn->data;
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   curl_socket_t sockfd = conn->sock[sockindex];
-  long timeout_ms;
+  timediff_t timeout_ms;
   int what;
 
   /* check if the connection has already been established */
@@ -2852,7 +2852,7 @@ sectransp_connect_common(struct connectdata *conn,
       connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
 
       what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
-                               nonblocking?0:timeout_ms);
+                               nonblocking?0:(time_t)timeout_ms);
       if(what < 0) {
         /* fatal error */
         failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);