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Diffstat (limited to 'security/nss/lib/freebl/mpi/utils/basecvt.c')
-rw-r--r--security/nss/lib/freebl/mpi/utils/basecvt.c68
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;
+}