pjs/nsprpub/pr/tests/i2l.c

115 строки
2.8 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include <stdlib.h>
#include "prio.h"
#include "prinit.h"
#include "prprf.h"
#include "prlong.h"
#include "plerror.h"
#include "plgetopt.h"
typedef union Overlay_i
{
PRInt32 i;
PRInt64 l;
} Overlay_i;
typedef union Overlay_u
{
PRUint32 i;
PRUint64 l;
} Overlay_u;
static PRFileDesc *err = NULL;
static void Help(void)
{
PR_fprintf(err, "Usage: -i n | -u n | -h\n");
PR_fprintf(err, "\t-i n treat following number as signed integer\n");
PR_fprintf(err, "\t-u n treat following number as unsigned integer\n");
PR_fprintf(err, "\t-h This message and nothing else\n");
} /* Help */
static PRIntn PR_CALLBACK RealMain(PRIntn argc, char **argv)
{
Overlay_i si;
Overlay_u ui;
PLOptStatus os;
PRBool bsi = PR_FALSE, bui = PR_FALSE;
PLOptState *opt = PL_CreateOptState(argc, argv, "hi:u:");
err = PR_GetSpecialFD(PR_StandardError);
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'i': /* signed integer */
si.i = (PRInt32)atoi(opt->value);
bsi = PR_TRUE;
break;
case 'u': /* unsigned */
ui.i = (PRUint32)atoi(opt->value);
bui = PR_TRUE;
break;
case 'h': /* user wants some guidance */
default:
Help(); /* so give him an earful */
return 2; /* but not a lot else */
}
}
PL_DestroyOptState(opt);
#if defined(HAVE_LONG_LONG)
PR_fprintf(err, "We have long long\n");
#else
PR_fprintf(err, "We don't have long long\n");
#endif
if (bsi)
{
PR_fprintf(err, "Converting %ld: ", si.i);
LL_I2L(si.l, si.i);
PR_fprintf(err, "%lld\n", si.l);
}
if (bui)
{
PR_fprintf(err, "Converting %lu: ", ui.i);
LL_I2L(ui.l, ui.i);
PR_fprintf(err, "%llu\n", ui.l);
}
return 0;
} /* main */
PRIntn main(PRIntn argc, char *argv[])
{
PRIntn rv;
PR_STDIO_INIT();
rv = PR_Initialize(RealMain, argc, argv, 0);
return rv;
} /* main */
/* i2l.c */