fix compiler warning: implicit conversion shortens 64-bit value into a 32-bit value

4 files changed, 23 insertions, 11 deletions

diff --git a/lib/curl_addrinfo.c b/lib/curl_addrinfo.c
index f75145722..19f73c48c 100644
--- a/lib/curl_addrinfo.c
+++ b/lib/curl_addrinfo.c
@@ -259,7 +259,7 @@ Curl_he2ai(const struct hostent *he, int port)
 
   for(i=0; (curr = he->h_addr_list[i]) != NULL; i++) {
 
-    int ss_size;
+    size_t ss_size;
 #ifdef ENABLE_IPV6
     if (he->h_addrtype == AF_INET6)
       ss_size = sizeof (struct sockaddr_in6);
@@ -297,7 +297,7 @@ Curl_he2ai(const struct hostent *he, int port)
        the type must be ignored and conn->socktype be used instead! */
     ai->ai_socktype = SOCK_STREAM;
 
-    ai->ai_addrlen = ss_size;
+    ai->ai_addrlen = (int)ss_size;
 
     /* leave the rest of the struct filled with zero */
 
diff --git a/lib/netrc.c b/lib/netrc.c
index 221d21506..4fefefc6e 100644
--- a/lib/netrc.c
+++ b/lib/netrc.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2009, 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
@@ -144,8 +144,9 @@ int Curl_parsenetrc(const char *host,
     char *tok_buf;
     bool done=FALSE;
     char netrcbuffer[256];
-
-    while(!done && fgets(netrcbuffer, sizeof(netrcbuffer), file)) {
+    int  netrcbuffsize = (int)sizeof(netrcbuffer);
+    
+    while(!done && fgets(netrcbuffer, netrcbuffsize, file)) {
       tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
       while(!done && tok) {
 
diff --git a/lib/qssl.c b/lib/qssl.c
index 2dd46c35c..bf4e5f798 100644
--- a/lib/qssl.c
+++ b/lib/qssl.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2009, 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
@@ -419,9 +419,11 @@ ssize_t Curl_qsossl_recv(struct connectdata * conn, int num, char * buf,
   char error_buffer[120]; /* OpenSSL documents that this must be at
                              least 120 bytes long. */
   unsigned long sslerror;
+  int buffsize;
   int nread;
 
-  nread = SSL_Read(conn->ssl[num].handle, buf, (int) buffersize);
+  buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
+  nread = SSL_Read(conn->ssl[num].handle, buf, buffsize);
   *wouldblock = FALSE;
 
   if(nread < 0) {
diff --git a/lib/ssluse.c b/lib/ssluse.c
index 1617c8813..5d82691de 100644
--- a/lib/ssluse.c
+++ b/lib/ssluse.c
@@ -797,6 +797,7 @@ int Curl_ossl_shutdown(struct connectdata *conn, int sockindex)
                     to be at least 120 bytes long. */
   unsigned long sslerror;
   ssize_t nread;
+  int buffsize;
   int err;
   int done = 0;
 
@@ -809,6 +810,7 @@ int Curl_ossl_shutdown(struct connectdata *conn, int sockindex)
       (void)SSL_shutdown(connssl->handle);
 
   if(connssl->handle) {
+    buffsize = (int)sizeof(buf);
     while(!done) {
       int what = Curl_socket_ready(conn->sock[sockindex],
                              CURL_SOCKET_BAD, SSL_SHUTDOWN_TIMEOUT);
@@ -816,7 +818,7 @@ int Curl_ossl_shutdown(struct connectdata *conn, int sockindex)
         /* Something to read, let's do it and hope that it is the close
            notify alert from the server */
         nread = (ssize_t)SSL_read(conn->ssl[sockindex].handle, buf,
-                                  sizeof(buf));
+                                  buffsize);
         err = SSL_get_error(conn->ssl[sockindex].handle, (int)nread);
 
         switch(err) {
@@ -2374,7 +2376,11 @@ ssize_t Curl_ossl_send(struct connectdata *conn,
   char error_buffer[120]; /* OpenSSL documents that this must be at least 120
                              bytes long. */
   unsigned long sslerror;
-  int rc = SSL_write(conn->ssl[sockindex].handle, mem, (int)len);
+  int memlen;
+  int rc;
+
+  memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
+  rc = SSL_write(conn->ssl[sockindex].handle, mem, memlen);
 
   if(rc < 0) {
     err = SSL_get_error(conn->ssl[sockindex].handle, rc);
@@ -2419,8 +2425,11 @@ ssize_t Curl_ossl_recv(struct connectdata *conn, /* connection data */
   char error_buffer[120]; /* OpenSSL documents that this must be at
                              least 120 bytes long. */
   unsigned long sslerror;
-  ssize_t nread = (ssize_t)SSL_read(conn->ssl[num].handle, buf,
-                                    (int)buffersize);
+  ssize_t nread;
+  int buffsize;
+
+  buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
+  nread = (ssize_t)SSL_read(conn->ssl[num].handle, buf, buffsize);
   *wouldblock = FALSE;
   if(nread < 0) {
     /* failed SSL_read */