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-rw-r--r--src/helper/binarybuffer.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/helper/binarybuffer.c b/src/helper/binarybuffer.c
index d98fa16..a90ec7b 100644
--- a/src/helper/binarybuffer.c
+++ b/src/helper/binarybuffer.c
@@ -370,3 +370,30 @@ void bit_copy_discard(struct bit_copy_queue *q)
free(qe);
}
}
+
+int unhexify(char *bin, const char *hex, int count)
+{
+ int i, tmp;
+
+ for (i = 0; i < count; i++) {
+ if (sscanf(hex + (2 * i), "%02x", &tmp) != 1)
+ return i;
+ bin[i] = tmp;
+ }
+
+ return i;
+}
+
+int hexify(char *hex, const char *bin, int count, int out_maxlen)
+{
+ int i, cmd_len = 0;
+
+ /* May use a length, or a null-terminated string as input. */
+ if (count == 0)
+ count = strlen(bin);
+
+ for (i = 0; i < count; i++)
+ cmd_len += snprintf(hex + cmd_len, out_maxlen - cmd_len, "%02x", bin[i]);
+
+ return cmd_len;
+}