security/nss/lib/freebl/mpi/utils/basecvt.c@b8a032363ba2 (annotated)
security/nss/lib/freebl/mpi/utils/basecvt.c
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* |
| michael@0 | 2 | * basecvt.c |
| michael@0 | 3 | * |
| michael@0 | 4 | * Convert integer values specified on the command line from one input |
| michael@0 | 5 | * base to another. Accepts input and output bases between 2 and 36 |
| michael@0 | 6 | * inclusive. |
| michael@0 | 7 | * |
| michael@0 | 8 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 9 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 10 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 11 | |
| michael@0 | 12 | #include <stdio.h> |
| michael@0 | 13 | #include <stdlib.h> |
| michael@0 | 14 | #include <string.h> |
| michael@0 | 15 | |
| michael@0 | 16 | #include "mpi.h" |
| michael@0 | 17 | |
| michael@0 | 18 | #define IBASE 10 |
| michael@0 | 19 | #define OBASE 16 |
| michael@0 | 20 | #define USAGE "Usage: %s ibase obase [value]\n" |
| michael@0 | 21 | #define MAXBASE 64 |
| michael@0 | 22 | #define MINBASE 2 |
| michael@0 | 23 | |
| michael@0 | 24 | int main(int argc, char *argv[]) |
| michael@0 | 25 | { |
| michael@0 | 26 | int ix, ibase = IBASE, obase = OBASE; |
| michael@0 | 27 | mp_int val; |
| michael@0 | 28 | |
| michael@0 | 29 | ix = 1; |
| michael@0 | 30 | if(ix < argc) { |
| michael@0 | 31 | ibase = atoi(argv[ix++]); |
| michael@0 | 32 | |
| michael@0 | 33 | if(ibase < MINBASE || ibase > MAXBASE) { |
| michael@0 | 34 | fprintf(stderr, "%s: input radix must be between %d and %d inclusive\n", |
| michael@0 | 35 | argv[0], MINBASE, MAXBASE); |
| michael@0 | 36 | return 1; |
| michael@0 | 37 | } |
| michael@0 | 38 | } |
| michael@0 | 39 | if(ix < argc) { |
| michael@0 | 40 | obase = atoi(argv[ix++]); |
| michael@0 | 41 | |
| michael@0 | 42 | if(obase < MINBASE || obase > MAXBASE) { |
| michael@0 | 43 | fprintf(stderr, "%s: output radix must be between %d and %d inclusive\n", |
| michael@0 | 44 | argv[0], MINBASE, MAXBASE); |
| michael@0 | 45 | return 1; |
| michael@0 | 46 | } |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | mp_init(&val); |
| michael@0 | 50 | while(ix < argc) { |
| michael@0 | 51 | char *out; |
| michael@0 | 52 | int outlen; |
| michael@0 | 53 | |
| michael@0 | 54 | mp_read_radix(&val, argv[ix++], ibase); |
| michael@0 | 55 | |
| michael@0 | 56 | outlen = mp_radix_size(&val, obase); |
| michael@0 | 57 | out = calloc(outlen, sizeof(char)); |
| michael@0 | 58 | mp_toradix(&val, out, obase); |
| michael@0 | 59 | |
| michael@0 | 60 | printf("%s\n", out); |
| michael@0 | 61 | free(out); |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | mp_clear(&val); |
| michael@0 | 65 | |
| michael@0 | 66 | return 0; |
| michael@0 | 67 | } |
