diff options
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/zlib-compat.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/compat/zlib-compat.h b/compat/zlib-compat.h index 96a08811a9..6226b30c0c 100644 --- a/compat/zlib-compat.h +++ b/compat/zlib-compat.h @@ -7,4 +7,23 @@ # define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) #endif +/* + * zlib only gained support for setting up the gzip header in v1.2.2.1. In + * Git we only set the header to make archives reproducible across different + * operating systems, so it's fine to simply make this a no-op when using a + * zlib version that doesn't support this yet. + */ +#if ZLIB_VERNUM < 0x1221 +struct gz_header_s { + int os; +}; + +static int deflateSetHeader(z_streamp strm, struct gz_header_s *head) +{ + (void)(strm); + (void)(head); + return Z_OK; +} +#endif + #endif /* COMPAT_ZLIB_H */ |