indexer: use mmap for writing

Some OSs cannot keep their ideas about file content straight when mixing
standard IO with file mapping. As we use mmap for reading from the
packfile, let's make writing to the pack file use mmap.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/map.h b/src/map.h
index da3d1e19a..722eb7a30 100644
--- a/src/map.h
+++ b/src/map.h
@@ -42,5 +42,6 @@ typedef struct { /* memory mapped buffer	*/
 
 extern int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offset);
 extern int p_munmap(git_map *map);
+extern long git__page_size(void);
 
 #endif /* INCLUDE_map_h__ */