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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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 */
int main(int argc, char **argv)
{
PRIntn rv;
PR_STDIO_INIT();
rv = PR_Initialize(RealMain, argc, argv, 0);
return rv;
} /* main */
/* i2l.c */
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