diff options
Diffstat (limited to 'nsprpub/pr/tests/i2l.c')
-rw-r--r-- | nsprpub/pr/tests/i2l.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/i2l.c b/nsprpub/pr/tests/i2l.c new file mode 100644 index 000000000..cd96edef1 --- /dev/null +++ b/nsprpub/pr/tests/i2l.c @@ -0,0 +1,101 @@ +/* -*- 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 */ |