| /* -*- 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 */ |