helper: Make unhexify() robust on invalid data

[openocd.git] / src / helper / binarybuffer.h

diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h
index dd0d275abd1ad5e210a8b5871f14191836df1f32..b035779af571b70782956b6873af13e613d6a7d7 100644 (file)
--- a/src/helper/binarybuffer.h
+++ b/src/helper/binarybuffer.h
@@ -234,7 +234,7 @@ void bit_copy_discard(struct bit_copy_queue *q);
 
 /* functions to convert to/from hex encoded buffer
  * used in ti-icdi driver and gdb server */
-int unhexify(char *bin, const char *hex, int count);
+size_t unhexify(uint8_t *bin, const char *hex, size_t count);
 int hexify(char *hex, const char *bin, int count, int out_maxlen);
 void buffer_shr(void *_buf, unsigned buf_len, unsigned count);