X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fcrcsync%2Fcrcsync.c;h=6e87dac43ec8d0a58d65847967a1a0abd737b46b;hp=7864751902edaf86c0d64fa937ae08b67102487a;hb=56023cca5f66a40646a1e807c3d10af6e5913623;hpb=8827948b1953c759042f174997c3d28d13988c9c

diff --git a/ccan/crcsync/crcsync.c b/ccan/crcsync/crcsync.c
index 78647519..6e87dac4 100644
--- a/ccan/crcsync/crcsync.c
+++ b/ccan/crcsync/crcsync.c
@@ -1,3 +1,4 @@
+/* Licensed under LGPLv2.1+ - see LICENSE file for details */
 #include "crcsync.h"
 #include <ccan/crc/crc.h>
 #include <string.h>
@@ -166,7 +167,7 @@ size_t crc_read_block(struct crc_context *ctx, long *result,
 
 	/* old is the trailing edge of the checksum window. */
 	if (buffer_size(ctx) >= ctx->block_size)
-		old = ctx->buffer + ctx->buffer_start;
+		old = (uint8_t *)ctx->buffer + ctx->buffer_start;
 	else
 		old = NULL;
 
@@ -187,7 +188,7 @@ size_t crc_read_block(struct crc_context *ctx, long *result,
 						    ctx->uncrc_tab);
 			old++;
 			/* End of stored buffer?  Start on data they gave us. */
-			if (old == ctx->buffer + ctx->buffer_end)
+			if (old == (uint8_t *)ctx->buffer + ctx->buffer_end)
 				old = buf;
 		} else {
 			ctx->running_crc = crc_add_byte(ctx->running_crc, *p);
@@ -242,14 +243,16 @@ size_t crc_read_block(struct crc_context *ctx, long *result,
 
 		/* Move down old data if we don't have room.  */
 		if (ctx->buffer_end + len > ctx->block_size) {
-			memmove(ctx->buffer, ctx->buffer + ctx->buffer_start,
+			memmove(ctx->buffer,
+				(uint8_t *)ctx->buffer + ctx->buffer_start,
 				buffer_size(ctx));
 			ctx->buffer_end -= ctx->buffer_start;
 			ctx->buffer_start = 0;
 		}
 
 		/* Copy len bytes from tail of buffer. */
-		memcpy(ctx->buffer + ctx->buffer_end, buf + buflen - len, len);
+		memcpy((uint8_t *)ctx->buffer + ctx->buffer_end,
+		       (const uint8_t *)buf + buflen - len, len);
 		ctx->buffer_end += len;
 		assert(buffer_size(ctx) <= ctx->block_size);
 	}