Fix exit code and add a count of the test suites

Now counts and displays the number of test suites executed, which can vary
depending on build configurations.
All tests are now executed as this is a sample and test program, rather than
exit on first failure.
Exit code now restricted to SUCCESS or FAILURE.
diff --git a/programs/test/selftest.c b/programs/test/selftest.c
index fe5d514..5c4c737 100644
--- a/programs/test/selftest.c
+++ b/programs/test/selftest.c
@@ -99,7 +99,8 @@
 
 int main( int argc, char *argv[] )
 {
-    int ret = 0, v;
+    int ret = 0, v, suites_tested = 0, suites_failed =0,
+        exitcode = EXIT_SUCCESS;
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     unsigned char buf[1000000];
 #endif
@@ -126,8 +127,11 @@
         return( 0 );
     }
 
-    if( argc == 2 && strcmp( argv[1], "-quiet" ) == 0 )
+    if( argc == 2 && ( strcmp( argv[1], "--quiet" ) == 0  ||
+        strcmp( argv[1], "-q" ) == 0 ) )
+    {
         v = 0;
+    }
     else
     {
         v = 1;
@@ -142,134 +146,212 @@
 
 #if defined(MBEDTLS_MD2_C)
     if( ( ret = mbedtls_md2_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_MD4_C)
     if( ( ret = mbedtls_md4_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_MD5_C)
     if( ( ret = mbedtls_md5_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_RIPEMD160_C)
     if( ( ret = mbedtls_ripemd160_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_SHA1_C)
     if( ( ret = mbedtls_sha1_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_SHA256_C)
     if( ( ret = mbedtls_sha256_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_SHA512_C)
     if( ( ret = mbedtls_sha512_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_ARC4_C)
     if( ( ret = mbedtls_arc4_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_DES_C)
     if( ( ret = mbedtls_des_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_AES_C)
     if( ( ret = mbedtls_aes_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_GCM_C) && defined(MBEDTLS_AES_C)
     if( ( ret = mbedtls_gcm_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_AES_C)
     if( ( ret = mbedtls_ccm_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_BASE64_C)
     if( ( ret = mbedtls_base64_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_BIGNUM_C)
     if( ( ret = mbedtls_mpi_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_RSA_C)
     if( ( ret = mbedtls_rsa_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_X509_USE_C)
     if( ( ret = mbedtls_x509_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_XTEA_C)
     if( ( ret = mbedtls_xtea_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_CAMELLIA_C)
     if( ( ret = mbedtls_camellia_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_CTR_DRBG_C)
     if( ( ret = mbedtls_ctr_drbg_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_HMAC_DRBG_C)
     if( ( ret = mbedtls_hmac_drbg_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_ECP_C)
     if( ( ret = mbedtls_ecp_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_ECJPAKE_C)
     if( ( ret = mbedtls_ecjpake_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_DHM_C)
     if( ( ret = mbedtls_dhm_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_ENTROPY_C)
     if( ( ret = mbedtls_entropy_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #if defined(MBEDTLS_PKCS5_C)
     if( ( ret = mbedtls_pkcs5_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 /* Slow tests last */
 
 #if defined(MBEDTLS_TIMING_C)
     if( ( ret = mbedtls_timing_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
 #else
@@ -285,19 +367,34 @@
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     mbedtls_memory_buffer_alloc_free();
-
     if( ( ret = mbedtls_memory_buffer_alloc_self_test( v ) ) != 0 )
-        return( ret );
+    {
+        suites_failed++;
+    }
+    suites_tested++;
 #endif
 
     if( v != 0 )
     {
-        mbedtls_printf( "  [ All tests passed ]\n\n" );
+        mbedtls_printf( "  Executed %d test suites\n\n", suites_tested);
+
+        if( suites_failed > 0)
+        {
+            mbedtls_printf( "  [ %d tests FAIL ]\n\n", suites_failed );
+        }
+        else
+        {
+            mbedtls_printf( "  [ All tests PASS ]\n\n" );
+        }
 #if defined(_WIN32)
         mbedtls_printf( "  Press Enter to exit this program.\n" );
         fflush( stdout ); getchar();
 #endif
     }
 
-    return( ret );
+    if( suites_failed > 0)
+        exitcode = EXIT_FAILURE;
+
+    exit(exitcode);
 }
+