1 files changed, 2 insertions, 0 deletions

diff --git a/cache.h b/cache.h
index ed83d92c5a..0525c4ee55 100644
--- a/cache.h
+++ b/cache.h
@@ -532,6 +532,8 @@ extern char git_default_name[MAX_GITNAME];
 extern const char *git_commit_encoding;
 extern const char *git_log_output_encoding;
 
+/* IO helper functions */
+extern void maybe_flush_or_die(FILE *, const char *);
 extern int copy_fd(int ifd, int ofd);
 extern int read_in_full(int fd, void *buf, size_t count);
 extern int write_in_full(int fd, const void *buf, size_t count);