(trunk libT) fix ABR error when parsing a URL with no path and no trailing slash after the host. Error reported by livings124

libtransmission/utils-test.c

@@ -385,6 +385,16 @@ test_url( void )
     char * str;
     const char * url;
 
+    url = "http://1";
+    check( !tr_urlParse( url, -1, &scheme, &host, &port, &path ) );
+    check( !strcmp( scheme, "http" ) )
+    check( !strcmp( host, "1" ) )
+    check( !strcmp( path, "/" ) )
+    check( port == 80 )
+    tr_free( scheme );
+    tr_free( path );
+    tr_free( host );
+
     url = "http://www.some-tracker.org/some/path";
     check( !tr_urlParse( url, -1, &scheme, &host, &port, &path ) )
     check( !strcmp( scheme, "http" ) )

libtransmission/utils.c

@@ -1030,7 +1030,8 @@ tr_urlParse( const char * url_in,
             host = pch;
             host_len = n;
             pch += n;
-            *pch++ = '\0';
+            if( pch && *pch )
+                *pch++ = '\0';
 /*fprintf( stderr, "host is [%s]... what's left is [%s]\n", host, pch );*/
             if( havePort )
             {
@@ -1061,7 +1062,8 @@ tr_urlParse( const char * url_in,
 
         if( setme_host ){ ( (char*)host )[-3] = ':'; *setme_host =
                               tr_strndup( host, host_len ); }
-        if( setme_path ){ if( path[0] == '/' ) *setme_path = tr_strdup( path );
+        if( setme_path ){ if( !*path ) *setme_path = tr_strdup( "/" );
+                          else if( path[0] == '/' ) *setme_path = tr_strdup( path );
                           else { ( (char*)path )[-1] = '/'; *setme_path = tr_strdup( path - 1 ); } }
         if( setme_port ) *setme_port = port;
     }