diff options
Diffstat (limited to 'src/indexer.c')
| -rw-r--r-- | src/indexer.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/indexer.c b/src/indexer.c index 25c3d0537..93fe9463a 100644 --- a/src/indexer.c +++ b/src/indexer.c @@ -427,15 +427,19 @@ static void hash_partially(git_indexer *idx, const uint8_t *data, size_t size) static int write_at(git_indexer *idx, const void *data, git_off_t offset, size_t size) { git_file fd = idx->pack->mwf.fd; - long page_size = git__page_size(); - git_off_t page_start, page_offset; + size_t page_size; + size_t page_offset; + git_off_t page_start; unsigned char *map_data; git_map map; int error; + if ((error = git__page_size(&page_size)) < 0) + return error; + /* the offset needs to be at the beginning of the a page boundary */ - page_start = (offset / page_size) * page_size; - page_offset = offset - page_start; + page_offset = offset % page_size; + page_start = offset - page_offset; if ((error = p_mmap(&map, page_offset + size, GIT_PROT_WRITE, GIT_MAP_SHARED, fd, page_start)) < 0) return error; |