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comparison: nsprpub/pr/tests/i2l.c
nsprpub/pr/tests/i2l.c
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:e8c5b9ad4c0d |
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| 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 { | |
| 18 PRInt32 i; | |
| 19 PRInt64 l; | |
| 20 } Overlay_i; | |
| 21 | |
| 22 typedef union Overlay_u | |
| 23 { | |
| 24 PRUint32 i; | |
| 25 PRUint64 l; | |
| 26 } Overlay_u; | |
| 27 | |
| 28 static PRFileDesc *err = NULL; | |
| 29 | |
| 30 static void Help(void) | |
| 31 { | |
| 32 PR_fprintf(err, "Usage: -i n | -u n | -h\n"); | |
| 33 PR_fprintf(err, "\t-i n treat following number as signed integer\n"); | |
| 34 PR_fprintf(err, "\t-u n treat following number as unsigned integer\n"); | |
| 35 PR_fprintf(err, "\t-h This message and nothing else\n"); | |
| 36 } /* Help */ | |
| 37 | |
| 38 static PRIntn PR_CALLBACK RealMain(PRIntn argc, char **argv) | |
| 39 { | |
| 40 Overlay_i si; | |
| 41 Overlay_u ui; | |
| 42 PLOptStatus os; | |
| 43 PRBool bsi = PR_FALSE, bui = PR_FALSE; | |
| 44 PLOptState *opt = PL_CreateOptState(argc, argv, "hi:u:"); | |
| 45 err = PR_GetSpecialFD(PR_StandardError); | |
| 46 | |
| 47 while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) | |
| 48 { | |
| 49 if (PL_OPT_BAD == os) continue; | |
| 50 switch (opt->option) | |
| 51 { | |
| 52 case 'i': /* signed integer */ | |
| 53 si.i = (PRInt32)atoi(opt->value); | |
| 54 bsi = PR_TRUE; | |
| 55 break; | |
| 56 case 'u': /* unsigned */ | |
| 57 ui.i = (PRUint32)atoi(opt->value); | |
| 58 bui = PR_TRUE; | |
| 59 break; | |
| 60 case 'h': /* user wants some guidance */ | |
| 61 default: | |
| 62 Help(); /* so give him an earful */ | |
| 63 return 2; /* but not a lot else */ | |
| 64 } | |
| 65 } | |
| 66 PL_DestroyOptState(opt); | |
| 67 | |
| 68 #if defined(HAVE_LONG_LONG) | |
| 69 PR_fprintf(err, "We have long long\n"); | |
| 70 #else | |
| 71 PR_fprintf(err, "We don't have long long\n"); | |
| 72 #endif | |
| 73 | |
| 74 if (bsi) | |
| 75 { | |
| 76 PR_fprintf(err, "Converting %ld: ", si.i); | |
| 77 LL_I2L(si.l, si.i); | |
| 78 PR_fprintf(err, "%lld\n", si.l); | |
| 79 } | |
| 80 | |
| 81 if (bui) | |
| 82 { | |
| 83 PR_fprintf(err, "Converting %lu: ", ui.i); | |
| 84 LL_I2L(ui.l, ui.i); | |
| 85 PR_fprintf(err, "%llu\n", ui.l); | |
| 86 } | |
| 87 return 0; | |
| 88 | |
| 89 } /* main */ | |
| 90 | |
| 91 | |
| 92 int main(int argc, char **argv) | |
| 93 { | |
| 94 PRIntn rv; | |
| 95 | |
| 96 PR_STDIO_INIT(); | |
| 97 rv = PR_Initialize(RealMain, argc, argv, 0); | |
| 98 return rv; | |
| 99 } /* main */ | |
| 100 | |
| 101 /* i2l.c */ |
