improve buf_set_buf helper

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

diff --git a/src/helper/binarybuffer.c b/src/helper/binarybuffer.c
index 8275d12476ad40ad55eacb1e9d188c8bb0cc5b32..53ad4d395da899ea33de8d40a27c7777749cc070 100644 (file)
--- a/src/helper/binarybuffer.c
+++ b/src/helper/binarybuffer.c
@@ -128,11 +128,14 @@ void* buf_set_ones(void *_buf, unsigned size)
        return buf;
 }
 
-uint8_t* buf_set_buf(const uint8_t *src, int src_start, uint8_t *dst, int dst_start, int len)
+void* buf_set_buf(const void *_src, unsigned src_start,
+               void *_dst, unsigned dst_start, unsigned len)
 {
-       int src_idx = src_start, dst_idx = dst_start;
+       const uint8_t *src = _src;
+       uint8_t *dst = _dst;
 
-       for (int i = 0; i < len; i++)
+       unsigned src_idx = src_start, dst_idx = dst_start;
+       for (unsigned i = 0; i < len; i++)
        {
                if (((src[src_idx / 8] >> (src_idx % 8)) & 1) == 1)
                        dst[dst_idx / 8] |= 1 << (dst_idx % 8);