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authorJunio C Hamano <gitster@pobox.com>2022-02-16 15:14:29 -0800
committerJunio C Hamano <gitster@pobox.com>2022-02-16 15:14:30 -0800
commit00e38ba6d801143a10f762d781e3e885243caa42 (patch)
tree0f423fcfd8edda84aca0f7a79da19295346bd15d /git-compat-util.h
parentf2cb46a6b3398308d148c037fdd786e6d45b59bf (diff)
parent07564773c2569d012719ab9e26b9b27251f3d354 (diff)
downloadgit-00e38ba6d801143a10f762d781e3e885243caa42.tar.gz
Merge branch 'ab/auto-detect-zlib-compress2'
The build procedure has been taught to notice older version of zlib and enable our replacement uncompress2() automatically. * ab/auto-detect-zlib-compress2: compat: auto-detect if zlib has uncompress2()
Diffstat (limited to 'git-compat-util.h')
-rw-r--r--git-compat-util.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index 350b122221..876907b9df 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1398,6 +1398,18 @@ void unleak_memory(const void *ptr, size_t len);
#define UNLEAK(var) do {} while (0)
#endif
+#define z_const
+#include <zlib.h>
+
+#if ZLIB_VERNUM < 0x1290
+/*
+ * This is uncompress2, which is only available in zlib >= 1.2.9
+ * (released as of early 2017). See compat/zlib-uncompress2.c.
+ */
+int uncompress2(Bytef *dest, uLongf *destLen, const Bytef *source,
+ uLong *sourceLen);
+#endif
+
/*
* This include must come after system headers, since it introduces macros that
* replace system names.