Remove warnings on VMS

5 files changed, 15 insertions, 3 deletions

diff --git a/g10/ChangeLog b/g10/ChangeLog
index 7de067e62..abf2084c6 100644
--- a/g10/ChangeLog
+++ b/g10/ChangeLog
@@ -1,3 +1,10 @@
+2010-10-20  Werner Koch  <[email protected]>
+
+	* encr-data.c (decode_filter): Cast -1 to size_t.  Reported by
+	Steven M. Schweda.
+	* parse-packet.c (parse_key): Ditto.
+	* trustdb.c (validate_keys): Likewise to unsigned int.
+
 2010-10-18  Werner Koch  <[email protected]>
 
 	* app-openpgp.c (parse_algorithm_attribute): Remove extra const in
diff --git a/g10/encr-data.c b/g10/encr-data.c
index a3a9728cb..8347e2a35 100644
--- a/g10/encr-data.c
+++ b/g10/encr-data.c
@@ -298,7 +298,8 @@ decode_filter( void *opaque, int control, IOBUF a, byte *buf, size_t *ret_len)
     if( control == IOBUFCTRL_UNDERFLOW ) {
 	assert(a);
 	n = iobuf_read( a, buf, size );
-	if( n == -1 ) n = 0;
+	if (n == (size_t)(-1))
+          n = 0;
 	if( n ) {
             if (fc->cipher_hd)
                 cipher_decrypt( fc->cipher_hd, buf, buf, n);
diff --git a/g10/keyid.c b/g10/keyid.c
index 4e162dd32..f2657f3a5 100644
--- a/g10/keyid.c
+++ b/g10/keyid.c
@@ -444,6 +444,10 @@ mk_datestr (char *buffer, time_t atime)
 {
     struct tm *tp;
 
+    /* Note: VMS uses an unsigned time_t thus the compiler yields a
+       warning here.  You may ignore this warning or def out this test
+       for VMS.  The proper way to handle this would be a configure
+       test to a detect properly implemented unsigned time_t.  */
     if ( atime < 0 ) /* 32 bit time_t and after 2038-01-19 */
         strcpy (buffer, "????" "-??" "-??"); /* mark this as invalid */
     else {
diff --git a/g10/parse-packet.c b/g10/parse-packet.c
index 4b0fd1c2b..259447738 100644
--- a/g10/parse-packet.c
+++ b/g10/parse-packet.c
@@ -1842,7 +1842,7 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
 		    }
 		    snlen = iobuf_get (inp);
 		    pktlen--;
-                    if (pktlen < snlen || snlen == -1) {
+                    if (pktlen < snlen || snlen == (size_t)(-1)) {
 			rc = G10ERR_INVALID_PACKET;
 			goto leave;
                     }
diff --git a/g10/trustdb.c b/g10/trustdb.c
index 55ed7d210..cffbc28e6 100644
--- a/g10/trustdb.c
+++ b/g10/trustdb.c
@@ -2343,7 +2343,7 @@ validate_keys (int interactive)
 	    {
 	      k->ownertrust = ask_ownertrust (k->kid,min);
 
-	      if (k->ownertrust == -1)
+	      if (k->ownertrust == (unsigned int)(-1))
 		{
 		  quit=1;
 		  goto leave;