diff options
Diffstat (limited to 'security/nss/lib/freebl/mpi/utils/basecvt.c')
-rw-r--r-- | security/nss/lib/freebl/mpi/utils/basecvt.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/utils/basecvt.c b/security/nss/lib/freebl/mpi/utils/basecvt.c new file mode 100644 index 000000000..0e9915406 --- /dev/null +++ b/security/nss/lib/freebl/mpi/utils/basecvt.c @@ -0,0 +1,68 @@ +/* + * basecvt.c + * + * Convert integer values specified on the command line from one input + * base to another. Accepts input and output bases between 2 and 36 + * inclusive. + * + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "mpi.h" + +#define IBASE 10 +#define OBASE 16 +#define USAGE "Usage: %s ibase obase [value]\n" +#define MAXBASE 64 +#define MINBASE 2 + +int +main(int argc, char *argv[]) +{ + int ix, ibase = IBASE, obase = OBASE; + mp_int val; + + ix = 1; + if (ix < argc) { + ibase = atoi(argv[ix++]); + + if (ibase < MINBASE || ibase > MAXBASE) { + fprintf(stderr, "%s: input radix must be between %d and %d inclusive\n", + argv[0], MINBASE, MAXBASE); + return 1; + } + } + if (ix < argc) { + obase = atoi(argv[ix++]); + + if (obase < MINBASE || obase > MAXBASE) { + fprintf(stderr, "%s: output radix must be between %d and %d inclusive\n", + argv[0], MINBASE, MAXBASE); + return 1; + } + } + + mp_init(&val); + while (ix < argc) { + char *out; + int outlen; + + mp_read_radix(&val, argv[ix++], ibase); + + outlen = mp_radix_size(&val, obase); + out = calloc(outlen, sizeof(char)); + mp_toradix(&val, out, obase); + + printf("%s\n", out); + free(out); + } + + mp_clear(&val); + + return 0; +} |