/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape security libraries.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1994-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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/*
 * Internal libjar routines.
 */

#include "jar.h"
#include "jarint.h"

/*-----------------------------------------------------------------------
 * JAR_FOPEN_to_PR_Open
 * Translate JAR_FOPEN arguments to PR_Open arguments
 */
PRFileDesc*
JAR_FOPEN_to_PR_Open(const char* name, const char *mode)
{

    PRIntn  prflags=0, prmode=0;

    /* Get read/write flags */
    if (strchr(mode, 'r') && !strchr(mode, '+')) {
	prflags |= PR_RDONLY;
    } else if( (strchr(mode, 'w') || strchr(mode, 'a')) &&
	!strchr(mode,'+') ) {
	prflags |= PR_WRONLY;
    } else {
	prflags |= PR_RDWR;
    }

    /* Create a new file? */
    if (strchr(mode, 'w') || strchr(mode, 'a')) {
	prflags |= PR_CREATE_FILE;
    }

    /* Append? */
    if (strchr(mode, 'a')) {
	prflags |= PR_APPEND;
    }

    /* Truncate? */
    if (strchr(mode, 'w')) {
	prflags |= PR_TRUNCATE;
    }

    /* We can't do umask because it isn't XP.  Choose some default
	   mode for created files */
    prmode = 0755;

    return PR_Open(name, prflags, prmode);
}