Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: main.c Sprache: C

/*
* Copyright (c) 1995, 2022, Oracle and/or its affiliates. All rights reserved.
* 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
* published by the Free Software Foundation.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/*
* This file contains the main entry point into the launcher code
* this is the only file which will be repeatedly compiled by other
* tools. The rest of the files will be linked in.
*/

#include "defines.h"
#include "jli_util.h"
#include "jni.h"

/*
* Entry point.
*/
#ifdef JAVAW

char **__initenv;

int WINAPI
WinMain(HINSTANCE inst, HINSTANCE previnst, LPSTR cmdline, int cmdshow)
{
    int margc;
    char** margv;
    int jargc;
    char** jargv;
    const jboolean const_javaw = JNI_TRUE;

    __initenv = _environ;

#else /* JAVAW */
JNIEXPORT int
main(int argc, char **argv)
{
    int margc;
    char** margv;
    int jargc;
    char** jargv;
    const jboolean const_javaw = JNI_FALSE;
#endif /* JAVAW */
    {
        int i, main_jargc, extra_jargc;
        JLI_List list;

        main_jargc = (sizeof(const_jargs) / sizeof(char *)) > 1
            ? sizeof(const_jargs) / sizeof(char *)
            : 0; // ignore the null terminator index

        extra_jargc = (sizeof(const_extra_jargs) / sizeof(char *)) > 1
            ? sizeof(const_extra_jargs) / sizeof(char *)
            : 0; // ignore the null terminator index

        if (main_jargc > 0 && extra_jargc > 0) { // combine extra java args
            jargc = main_jargc + extra_jargc;
            list = JLI_List_new(jargc + 1);

            for (i = 0 ; i < extra_jargc; i++) {
                JLI_List_add(list, JLI_StringDup(const_extra_jargs[i]));
            }

            for (i = 0 ; i < main_jargc ; i++) {
                JLI_List_add(list, JLI_StringDup(const_jargs[i]));
            }

            // terminate the list
            JLI_List_add(list, NULL);
            jargv = list->elements;
         } else if (extra_jargc > 0) { // should never happen
            fprintf(stderr, "EXTRA_JAVA_ARGS defined without JAVA_ARGS");
            abort();
         } else { // no extra args, business as usual
            jargc = main_jargc;
            jargv = (char **) const_jargs;
         }
    }

    JLI_InitArgProcessing(jargc > 0, const_disable_argfile);

#ifdef _WIN32
    {
        int i = 0;
        if (getenv(JLDEBUG_ENV_ENTRY) != NULL) {
            printf("Windows original main args:\n");
            for (i = 0 ; i < __argc ; i++) {
                printf("wwwd_args[%d] = %s\n", i, __argv[i]);
            }
        }
    }
    JLI_CmdToArgs(GetCommandLine());
    margc = JLI_GetStdArgc();
    // add one more to mark the end
    margv = (char **)JLI_MemAlloc((margc + 1) * (sizeof(char *)));
    {
        int i = 0;
        StdArg *stdargs = JLI_GetStdArgs();
        for (i = 0 ; i < margc ; i++) {
            margv[i] = stdargs[i].arg;
        }
        margv[i] = NULL;
    }
#else /* *NIXES */
    {
        // accommodate the NULL at the end
        JLI_List args = JLI_List_new(argc + 1);
        int i = 0;

        // Add first arg, which is the app name
        JLI_List_add(args, JLI_StringDup(argv[0]));
        // Append JDK_JAVA_OPTIONS
        if (JLI_AddArgsFromEnvVar(args, JDK_JAVA_OPTIONS)) {
            // JLI_SetTraceLauncher is not called yet
            // Show _JAVA_OPTIONS content along with JDK_JAVA_OPTIONS to aid diagnosis
            if (getenv(JLDEBUG_ENV_ENTRY)) {
                char *tmp = getenv("_JAVA_OPTIONS");
                if (NULL != tmp) {
                    JLI_ReportMessage(ARG_INFO_ENVVAR, "_JAVA_OPTIONS", tmp);
                }
            }
        }
        // Iterate the rest of command line
        for (i = 1; i < argc; i++) {
            JLI_List argsInFile = JLI_PreprocessArg(argv[i], JNI_TRUE);
            if (NULL == argsInFile) {
                JLI_List_add(args, JLI_StringDup(argv[i]));
            } else {
                int cnt, idx;
                cnt = argsInFile->size;
                for (idx = 0; idx < cnt; idx++) {
                    JLI_List_add(args, argsInFile->elements[idx]);
                }
                // Shallow free, we reuse the string to avoid copy
                JLI_MemFree(argsInFile->elements);
                JLI_MemFree(argsInFile);
            }
        }
        margc = args->size;
        // add the NULL pointer at argv[argc]
        JLI_List_add(args, NULL);
        margv = args->elements;
    }
#endif /* WIN32 */
    return JLI_Launch(margc, margv,
                   jargc, (const char**) jargv,
                   0, NULL,
                   VERSION_STRING,
                   DOT_VERSION,
                   (const_progname != NULL) ? const_progname : *margv,
                   (const_launcher != NULL) ? const_launcher : *margv,
                   jargc > 0,
                   const_cpwildcard, const_javaw, 0);
}

¤ Dauer der Verarbeitung: 0.3 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.