- Changed the used random function pointer to more flexible format. Renamed havege_rand() to havege_random() to prevent mistakes. Lots of changes as a consequence in library code and programs

diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index b57fe8d..0bfad1f 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -35,6 +35,7 @@
 #include "polarssl/net.h"
 #include "polarssl/ssl.h"
 #include "polarssl/havege.h"
+#include "polarssl/error.h"
 
 #define SERVER_PORT 4433
 #define SERVER_NAME "localhost"
@@ -116,7 +117,7 @@
     ssl_set_endpoint( &ssl, SSL_IS_CLIENT );
     ssl_set_authmode( &ssl, SSL_VERIFY_NONE );
 
-    ssl_set_rng( &ssl, havege_rand, &hs );
+    ssl_set_rng( &ssl, havege_random, &hs );
     ssl_set_dbg( &ssl, my_debug, stdout );
     ssl_set_bio( &ssl, net_recv, &server_fd,
                        net_send, &server_fd );
@@ -183,6 +184,15 @@
 
 exit:
 
+#ifdef POLARSSL_ERROR_C
+    if( ret != 0 )
+    {
+        char error_buf[100];
+        error_strerror( ret, error_buf, 100 );
+        printf("Last error was: %d - %s\n\n", ret, error_buf );
+    }
+#endif
+
     net_close( server_fd );
     ssl_free( &ssl );
 
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index de0af25..3825106 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -38,6 +38,7 @@
 #include "polarssl/havege.h"
 #include "polarssl/certs.h"
 #include "polarssl/x509.h"
+#include "polarssl/error.h"
 
 #define DFL_SERVER_NAME         "localhost"
 #define DFL_SERVER_PORT         4433
@@ -328,7 +329,7 @@
     ssl_set_endpoint( &ssl, SSL_IS_CLIENT );
     ssl_set_authmode( &ssl, SSL_VERIFY_OPTIONAL );
 
-    ssl_set_rng( &ssl, havege_rand, &hs );
+    ssl_set_rng( &ssl, havege_random, &hs );
     ssl_set_dbg( &ssl, my_debug, stdout );
     ssl_set_bio( &ssl, net_recv, &server_fd,
                        net_send, &server_fd );
@@ -452,6 +453,15 @@
 
 exit:
 
+#ifdef POLARSSL_ERROR_C
+    if( ret != 0 )
+    {
+        char error_buf[100];
+        error_strerror( ret, error_buf, 100 );
+        printf("Last error was: %d - %s\n\n", ret, error_buf );
+    }
+#endif
+
     if( server_fd )
         net_close( server_fd );
     x509_free( &clicert );
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 411eac1..85803d3 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -333,7 +333,7 @@
         ssl_set_endpoint( &ssl, SSL_IS_SERVER );
         ssl_set_authmode( &ssl, SSL_VERIFY_NONE );
 
-        ssl_set_rng( &ssl, havege_rand, &hs );
+        ssl_set_rng( &ssl, havege_random, &hs );
         ssl_set_dbg( &ssl, my_debug, stdout );
         ssl_set_bio( &ssl, net_recv, &client_fd,
                            net_send, &client_fd );
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 8034a24..3f4bd75 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -581,7 +581,7 @@
     ssl_set_endpoint( &ssl, SSL_IS_CLIENT );
     ssl_set_authmode( &ssl, SSL_VERIFY_OPTIONAL );
 
-    ssl_set_rng( &ssl, havege_rand, &hs );
+    ssl_set_rng( &ssl, havege_random, &hs );
     ssl_set_dbg( &ssl, my_debug, stdout );
     ssl_set_bio( &ssl, net_recv, &server_fd,
             net_send, &server_fd );
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index 1c6fec2..8a49140 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -42,6 +42,7 @@
 #include "polarssl/x509.h"
 #include "polarssl/ssl.h"
 #include "polarssl/net.h"
+#include "polarssl/error.h"
 
 #define HTTP_RESPONSE \
     "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
@@ -261,7 +262,6 @@
     printf( "  . Setting up the RNG and SSL data...." );
     fflush( stdout );
 
-    memset( &ssl, 0, sizeof( ssl ) );
     havege_init( &hs );
 
     if( ( ret = ssl_init( &ssl ) ) != 0 )
@@ -273,7 +273,7 @@
     ssl_set_endpoint( &ssl, SSL_IS_SERVER );
     ssl_set_authmode( &ssl, SSL_VERIFY_NONE );
 
-    ssl_set_rng( &ssl, havege_rand, &hs );
+    ssl_set_rng( &ssl, havege_random, &hs );
     ssl_set_dbg( &ssl, my_debug, stdout );
 
     ssl_set_scb( &ssl, my_get_session,
@@ -291,6 +291,15 @@
     printf( " ok\n" );
 
 reset:
+#ifdef POLARSSL_ERROR_C
+    if( ret != 0 )
+    {
+        char error_buf[100];
+        error_strerror( ret, error_buf, 100 );
+        printf("Last error was: %d - %s\n\n", ret, error_buf );
+    }
+#endif
+
     if( client_fd != -1 )
         net_close( client_fd );
 
@@ -420,12 +429,22 @@
 
     len = ret;
     printf( " %d bytes written\n\n%s\n", len, (char *) buf );
-
+    
     ssl_close_notify( &ssl );
+    ret = 0;
     goto reset;
 
 exit:
 
+#ifdef POLARSSL_ERROR_C
+    if( ret != 0 )
+    {
+        char error_buf[100];
+        error_strerror( ret, error_buf, 100 );
+        printf("Last error was: %d - %s\n\n", ret, error_buf );
+    }
+#endif
+
     net_close( client_fd );
     x509_free( &srvcert );
     rsa_free( &rsa );