tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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i2l.c (2238B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #include <stdlib.h>
      7 
      8 #include "prio.h"
      9 #include "prinit.h"
     10 #include "prprf.h"
     11 #include "prlong.h"
     12 
     13 #include "plerror.h"
     14 #include "plgetopt.h"
     15 
     16 typedef union Overlay_i {
     17  PRInt32 i;
     18  PRInt64 l;
     19 } Overlay_i;
     20 
     21 typedef union Overlay_u {
     22  PRUint32 i;
     23  PRUint64 l;
     24 } Overlay_u;
     25 
     26 static PRFileDesc* err = NULL;
     27 
     28 static void Help(void) {
     29  PR_fprintf(err, "Usage: -i n | -u n | -h\n");
     30  PR_fprintf(err, "\t-i n treat following number as signed integer\n");
     31  PR_fprintf(err, "\t-u n treat following number as unsigned integer\n");
     32  PR_fprintf(err, "\t-h   This message and nothing else\n");
     33 } /* Help */
     34 
     35 static PRIntn PR_CALLBACK RealMain(PRIntn argc, char** argv) {
     36  Overlay_i si;
     37  Overlay_u ui;
     38  PLOptStatus os;
     39  PRBool bsi = PR_FALSE, bui = PR_FALSE;
     40  PLOptState* opt = PL_CreateOptState(argc, argv, "hi:u:");
     41  err = PR_GetSpecialFD(PR_StandardError);
     42 
     43  while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
     44    if (PL_OPT_BAD == os) {
     45      continue;
     46    }
     47    switch (opt->option) {
     48      case 'i': /* signed integer */
     49        si.i = (PRInt32)atoi(opt->value);
     50        bsi = PR_TRUE;
     51        break;
     52      case 'u': /* unsigned */
     53        ui.i = (PRUint32)atoi(opt->value);
     54        bui = PR_TRUE;
     55        break;
     56      case 'h': /* user wants some guidance */
     57      default:
     58        Help();   /* so give him an earful */
     59        return 2; /* but not a lot else */
     60    }
     61  }
     62  PL_DestroyOptState(opt);
     63 
     64 #if defined(HAVE_LONG_LONG)
     65  PR_fprintf(err, "We have long long\n");
     66 #else
     67  PR_fprintf(err, "We don't have long long\n");
     68 #endif
     69 
     70  if (bsi) {
     71    PR_fprintf(err, "Converting %ld: ", si.i);
     72    LL_I2L(si.l, si.i);
     73    PR_fprintf(err, "%lld\n", si.l);
     74  }
     75 
     76  if (bui) {
     77    PR_fprintf(err, "Converting %lu: ", ui.i);
     78    LL_I2L(ui.l, ui.i);
     79    PR_fprintf(err, "%llu\n", ui.l);
     80  }
     81  return 0;
     82 
     83 } /* main */
     84 
     85 int main(int argc, char** argv) {
     86  PRIntn rv;
     87 
     88  rv = PR_Initialize(RealMain, argc, argv, 0);
     89  return rv;
     90 } /* main */
     91 
     92 /* i2l.c */