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-rw-r--r--pb_decode.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/pb_decode.h b/pb_decode.h
index 3d433155..16de3e04 100644
--- a/pb_decode.h
+++ b/pb_decode.h
@@ -103,7 +103,7 @@ void pb_release(const pb_field_t fields[], void *dest_struct);
* Alternatively, you can use a custom stream that reads directly from e.g.
* a file or a network socket.
*/
-pb_istream_t pb_istream_from_buffer(uint8_t *buf, size_t bufsize);
+pb_istream_t pb_istream_from_buffer(const uint8_t *buf, size_t bufsize);
/* Function to read from a pb_istream_t. You can use this if you need to
* read some custom header data, or to read data in field callbacks.