michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include <stdlib.h>
michael@0: 
michael@0: #include "prio.h"
michael@0: #include "prinit.h"
michael@0: #include "prprf.h"
michael@0: #include "prlong.h"
michael@0: 
michael@0: #include "plerror.h"
michael@0: #include "plgetopt.h"
michael@0: 
michael@0: typedef union Overlay_i
michael@0: {
michael@0:     PRInt32 i;
michael@0:     PRInt64 l;
michael@0: } Overlay_i;
michael@0: 
michael@0: typedef union Overlay_u
michael@0: {
michael@0:     PRUint32 i;
michael@0:     PRUint64 l;
michael@0: } Overlay_u;
michael@0: 
michael@0: static PRFileDesc *err = NULL;
michael@0: 
michael@0: static void Help(void)
michael@0: {
michael@0:     PR_fprintf(err, "Usage: -i n | -u n | -h\n");
michael@0:     PR_fprintf(err, "\t-i n treat following number as signed integer\n");
michael@0:     PR_fprintf(err, "\t-u n treat following number as unsigned integer\n");
michael@0:     PR_fprintf(err, "\t-h   This message and nothing else\n");
michael@0: }  /* Help */
michael@0: 
michael@0: static PRIntn PR_CALLBACK RealMain(PRIntn argc, char **argv)
michael@0: {
michael@0:     Overlay_i si;
michael@0:     Overlay_u ui;
michael@0:     PLOptStatus os;
michael@0:     PRBool bsi = PR_FALSE, bui = PR_FALSE;
michael@0:     PLOptState *opt = PL_CreateOptState(argc, argv, "hi:u:");
michael@0:     err = PR_GetSpecialFD(PR_StandardError);
michael@0: 
michael@0:     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
michael@0:     {
michael@0:         if (PL_OPT_BAD == os) continue;
michael@0:         switch (opt->option)
michael@0:         {
michael@0:         case 'i':  /* signed integer */
michael@0:             si.i = (PRInt32)atoi(opt->value);
michael@0:             bsi = PR_TRUE;
michael@0:             break;
michael@0:         case 'u':  /* unsigned */
michael@0:             ui.i = (PRUint32)atoi(opt->value);
michael@0:             bui = PR_TRUE;
michael@0:             break;
michael@0:         case 'h':  /* user wants some guidance */
michael@0:          default:
michael@0:             Help();  /* so give him an earful */
michael@0:             return 2;  /* but not a lot else */
michael@0:         }
michael@0:     }
michael@0:     PL_DestroyOptState(opt);
michael@0: 
michael@0: #if defined(HAVE_LONG_LONG)
michael@0:     PR_fprintf(err, "We have long long\n");
michael@0: #else
michael@0:     PR_fprintf(err, "We don't have long long\n");
michael@0: #endif
michael@0: 
michael@0:     if (bsi)
michael@0:     {
michael@0:         PR_fprintf(err, "Converting %ld: ", si.i);
michael@0:         LL_I2L(si.l, si.i);
michael@0:         PR_fprintf(err, "%lld\n", si.l);
michael@0:     }
michael@0: 
michael@0:     if (bui)
michael@0:     {
michael@0:         PR_fprintf(err, "Converting %lu: ", ui.i);
michael@0:         LL_I2L(ui.l, ui.i);
michael@0:         PR_fprintf(err, "%llu\n", ui.l);
michael@0:     }
michael@0:     return 0;
michael@0: 
michael@0: }  /* main */
michael@0: 
michael@0: 
michael@0: int main(int argc, char **argv)
michael@0: {
michael@0:     PRIntn rv;
michael@0:     
michael@0:     PR_STDIO_INIT();
michael@0:     rv = PR_Initialize(RealMain, argc, argv, 0);
michael@0:     return rv;
michael@0: }  /* main */
michael@0: 
michael@0: /* i2l.c */