zlib/zlib-no-version-check.patch

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Index: zlib-1.2.12/infback.c
===================================================================
--- zlib-1.2.12.orig/infback.c
+++ zlib-1.2.12/infback.c
@@ -34,9 +34,6 @@ int stream_size;
{
struct inflate_state FAR *state;
- if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
- stream_size != (int)(sizeof(z_stream)))
- return Z_VERSION_ERROR;
if (strm == Z_NULL || window == Z_NULL ||
windowBits < 8 || windowBits > 15)
return Z_STREAM_ERROR;
Index: zlib-1.2.12/inflate.c
===================================================================
--- zlib-1.2.12.orig/inflate.c
+++ zlib-1.2.12/inflate.c
@@ -202,9 +202,6 @@ int stream_size;
int ret;
struct inflate_state FAR *state;
- if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
- stream_size != (int)(sizeof(z_stream)))
- return Z_VERSION_ERROR;
if (strm == Z_NULL) return Z_STREAM_ERROR;
strm->msg = Z_NULL; /* in case we return an error */
if (strm->zalloc == (alloc_func)0) {
Index: zlib-1.2.12/deflate.c
===================================================================
--- zlib-1.2.12.orig/deflate.c
+++ zlib-1.2.12/deflate.c
@@ -253,12 +253,7 @@ int ZEXPORT deflateInit2_(strm, level, m
{
deflate_state *s;
int wrap = 1;
- static const char my_version[] = ZLIB_VERSION;
- if (version == Z_NULL || version[0] != my_version[0] ||
- stream_size != sizeof(z_stream)) {
- return Z_VERSION_ERROR;
- }
if (strm == Z_NULL) return Z_STREAM_ERROR;
strm->msg = Z_NULL;