зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
3.8 KiB
C
134 строки
3.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdlib.h>
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#include "prio.h"
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#include "prinit.h"
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#include "prprf.h"
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#include "prlong.h"
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#include "plerror.h"
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#include "plgetopt.h"
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typedef union Overlay_i
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{
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PRInt32 i;
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PRInt64 l;
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} Overlay_i;
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typedef union Overlay_u
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{
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PRUint32 i;
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PRUint64 l;
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} Overlay_u;
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static PRFileDesc *err = NULL;
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static void Help(void)
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{
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PR_fprintf(err, "Usage: -i n | -u n | -h\n");
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PR_fprintf(err, "\t-i n treat following number as signed integer\n");
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PR_fprintf(err, "\t-u n treat following number as unsigned integer\n");
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PR_fprintf(err, "\t-h This message and nothing else\n");
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} /* Help */
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static PRIntn PR_CALLBACK RealMain(PRIntn argc, char **argv)
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{
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Overlay_i si;
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Overlay_u ui;
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PLOptStatus os;
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PRBool bsi = PR_FALSE, bui = PR_FALSE;
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PLOptState *opt = PL_CreateOptState(argc, argv, "hi:u:");
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err = PR_GetSpecialFD(PR_StandardError);
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) continue;
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switch (opt->option)
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{
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case 'i': /* signed integer */
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si.i = (PRInt32)atoi(opt->value);
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bsi = PR_TRUE;
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break;
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case 'u': /* unsigned */
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ui.i = (PRUint32)atoi(opt->value);
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bui = PR_TRUE;
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break;
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case 'h': /* user wants some guidance */
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default:
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Help(); /* so give him an earful */
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return 2; /* but not a lot else */
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}
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}
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PL_DestroyOptState(opt);
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#if defined(HAVE_LONG_LONG)
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PR_fprintf(err, "We have long long\n");
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#else
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PR_fprintf(err, "We don't have long long\n");
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#endif
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if (bsi)
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{
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PR_fprintf(err, "Converting %ld: ", si.i);
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LL_I2L(si.l, si.i);
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PR_fprintf(err, "%lld\n", si.l);
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}
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if (bui)
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{
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PR_fprintf(err, "Converting %lu: ", ui.i);
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LL_I2L(ui.l, ui.i);
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PR_fprintf(err, "%llu\n", ui.l);
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}
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return 0;
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} /* main */
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PRIntn main(PRIntn argc, char *argv[])
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{
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PRIntn rv;
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PR_STDIO_INIT();
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rv = PR_Initialize(RealMain, argc, argv, 0);
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return rv;
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} /* main */
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/* i2l.c */
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