git-tar-tree: no more void pointer arithmetic

[git.git] / builtin-tar-tree.c

diff --git a/builtin-tar-tree.c b/builtin-tar-tree.c
index f646c5b..39a61b6 100644 (file)
--- a/builtin-tar-tree.c
+++ b/builtin-tar-tree.c
@@ -22,8 +22,10 @@ static unsigned long offset;
 static time_t archive_time;
 
 /* tries hard to write, either succeeds or dies in the attempt */
-static void reliable_write(void *buf, unsigned long size)
+static void reliable_write(const void *data, unsigned long size)
 {
+       const char *buf = data;
+
        while (size > 0) {
                long ret = xwrite(1, buf, size);
                if (ret < 0) {
@@ -51,8 +53,9 @@ static void write_if_needed(void)
  * queues up writes, so that all our write(2) calls write exactly one
  * full block; pads writes to RECORDSIZE
  */
-static void write_blocked(void *buf, unsigned long size)
+static void write_blocked(const void *data, unsigned long size)
 {
+       const char *buf = data;
        unsigned long tail;
 
        if (offset) {