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Diffstat (limited to 'extra/mariabackup/datasink.h')
-rw-r--r--extra/mariabackup/datasink.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/extra/mariabackup/datasink.h b/extra/mariabackup/datasink.h
index 8bf1321aad1..5962e9ba4b7 100644
--- a/extra/mariabackup/datasink.h
+++ b/extra/mariabackup/datasink.h
@@ -48,7 +48,7 @@ typedef struct {
struct datasink_struct {
ds_ctxt_t *(*init)(const char *root);
ds_file_t *(*open)(ds_ctxt_t *ctxt, const char *path, MY_STAT *stat);
- int (*write)(ds_file_t *file, const void *buf, size_t len);
+ int (*write)(ds_file_t *file, const unsigned char *buf, size_t len);
int (*close)(ds_file_t *file);
void (*deinit)(ds_ctxt_t *ctxt);
};