/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

#include <stdlib.h>

#include <string.h>

#include "jvm.h"

#include "jdk_util.h"

#ifndef JDK_UPDATE_VERSION

   /* if not defined set to 00 */

   #define JDK_UPDATE_VERSION "00"

#endif

JNIEXPORT void

JDK_GetVersionInfo0(jdk_version_info* info, size_t info_size) {

    /* These JDK_* macros are set at Makefile or the command line */

    const unsigned int jdk_major_version =

        (unsigned int) atoi(JDK_MAJOR_VERSION);

    const unsigned int jdk_minor_version =

        (unsigned int) atoi(JDK_MINOR_VERSION);

    const unsigned int jdk_micro_version =

        (unsigned int) atoi(JDK_MICRO_VERSION);

    const char* jdk_build_string = JDK_BUILD_NUMBER;

    unsigned int jdk_build_number = 0;

    const char* jdk_update_string = JDK_UPDATE_VERSION;

    unsigned int jdk_update_version = 0;

    char update_ver[3];

    char jdk_special_version = '\0';

    /* If the JDK_BUILD_NUMBER is of format bXX and XX is an integer

     * XX is the jdk_build_number.

     */

    if (strlen(jdk_build_string) == 3) {

        if (jdk_build_string[0] == 'b' &&

            jdk_build_string[1] >= '0' && jdk_build_string[1] <= '9' &&

            jdk_build_string[2] >= '0' && jdk_build_string[2] <= '9') {

            jdk_build_number = (unsigned int) atoi(&jdk_build_string[1]);

        }

    }

    if (strlen(jdk_update_string) == 2 || strlen(jdk_update_string) == 3) {

        if (jdk_update_string[0] >= '0' && jdk_update_string[0] <= '9' &&

            jdk_update_string[1] >= '0' && jdk_update_string[1] <= '9') {

            update_ver[0] = jdk_update_string[0];

            update_ver[1] = jdk_update_string[1];

            update_ver[2] = '\0';

            jdk_update_version = (unsigned int) atoi(update_ver);

            if (strlen(jdk_update_string) == 3) {

                jdk_special_version = jdk_update_string[2];

            }

        }

    }

    memset(info, 0, sizeof(info_size));

    info->jdk_version = ((jdk_major_version & 0xFF) << 24) |

                        ((jdk_minor_version & 0xFF) << 16) |

                        ((jdk_micro_version & 0xFF) << 8)  |

                        (jdk_build_number & 0xFF);

    info->update_version = jdk_update_version;

    info->special_update_version = (unsigned int) jdk_special_version;

    info->thread_park_blocker = 1;

}