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

ares/ares__get_hostent.c

@@ -47,7 +47,7 @@ int ares__get_hostent(FILE *fp, int family, struct hostent **host)
   int status, linesize, end_at_hostname, naliases;
   struct in_addr addr;
   struct in6_addr addr6;
-  int addrlen = sizeof(struct in_addr);
+  size_t addrlen = sizeof(struct in_addr);
   struct hostent *hostent = NULL;
 
   while ((status = ares__read_line(fp, &line, &linesize)) == ARES_SUCCESS)
@@ -162,7 +162,7 @@ int ares__get_hostent(FILE *fp, int family, struct hostent **host)
       hostent->h_aliases[naliases] = NULL;
 
       hostent->h_addrtype = family;
-      hostent->h_length = addrlen;
+      hostent->h_length = (int)addrlen;
       if (family == AF_INET)
         memcpy(hostent->h_addr_list[0], &addr, addrlen);
       else if (family == AF_INET6)

ares/ares_gethostbyaddr.c

@@ -145,16 +145,23 @@ static void addr_callback(void *arg, int status, int timeouts,
 {
   struct addr_query *aquery = (struct addr_query *) arg;
   struct hostent *host;
+  size_t addrlen;
 
   aquery->timeouts += timeouts;
   if (status == ARES_SUCCESS)
     {
       if (aquery->addr.family == AF_INET)
+        {
+          addrlen = sizeof(struct in_addr);
           status = ares_parse_ptr_reply(abuf, alen, &aquery->addr.addrV4,
-                                      sizeof(struct in_addr), AF_INET, &host);
+                                        (int)addrlen, AF_INET, &host);
+        }
       else
+        {
+          addrlen = sizeof(struct in6_addr);
           status = ares_parse_ptr_reply(abuf, alen, &aquery->addr.addrV6,
-                                      sizeof(struct in6_addr), AF_INET6, &host);
+                                        (int)addrlen, AF_INET6, &host);
+        }
       end_aquery(aquery, status, host);
     }
   else if (status == ARES_EDESTRUCTION)

ares/ares_gethostbyname.c

@@ -275,12 +275,12 @@ static int fake_hostent(const char *name, int family, ares_host_callback callbac
 
   if (family == AF_INET)
     {
-      hostent.h_length = sizeof(struct in_addr);
+      hostent.h_length = (int)sizeof(struct in_addr);
       addrs[0] = (char *)∈
     }
   else if (family == AF_INET6)
     {
-      hostent.h_length = sizeof(struct in6_addr);
+      hostent.h_length = (int)sizeof(struct in6_addr);
       addrs[0] = (char *)&in6;
     }
   /* Duplicate the name, to avoid a constness violation. */

ares/ares_process.c

@@ -1,7 +1,7 @@
 /* $Id$ */
 
 /* Copyright 1998 by the Massachusetts Institute of Technology.
- * Copyright (C) 2004-2008 by Daniel Stenberg
+ * Copyright (C) 2004-2009 by Daniel Stenberg
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -104,7 +104,7 @@ static void end_query(ares_channel channel, struct query *query, int status,
 int ares__timedout(struct timeval *now,
                    struct timeval *check)
 {
-  int secs = (now->tv_sec - check->tv_sec);
+  long secs = (now->tv_sec - check->tv_sec);
 
   if(secs > 0)
     return 1; /* yes, timed out */

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 */
 

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];
+    int  netrcbuffsize = (int)sizeof(netrcbuffer);
     
-    while(!done && fgets(netrcbuffer, sizeof(netrcbuffer), file)) {
+    while(!done && fgets(netrcbuffer, netrcbuffsize, file)) {
       tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
       while(!done && tok) {
 

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) {

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,
+  ssize_t nread;
-                                    (int)buffersize);
+  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 */

tests/libtest/lib543.c

@@ -22,7 +22,8 @@ int test(char *URL)
                        0x1d, 0x57, 0xe1};
 
   CURL* easy  = curl_easy_init();
-  char* s = curl_easy_escape(easy, (char*)a, sizeof(a));
+  int asize = (int)sizeof(a);
+  char* s = curl_easy_escape(easy, (char*)a, asize);
   (void)URL;
 
   printf("%s\n", s);