Danyil Blyschak : opcservices: Provide memory allocator functions to zlib.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6b01563bd06988de4c384f29f77430b3c31ad494
URL:    https://gitlab.winehq.org/wine/wine/-/commit/6b01563bd06988de4c384f29f77430b...

Author: Danyil Blyschak 
Date:   Thu Jun 13 12:31:56 2024 -0500

opcservices: Provide memory allocator functions to zlib.

---

dlls/opcservices/compress.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/dlls/opcservices/compress.c b/dlls/opcservices/compress.c
index 37a90716a74..186469a782c 100644
--- a/dlls/opcservices/compress.c
+++ b/dlls/opcservices/compress.c
@@ -184,6 +184,16 @@ void compress_finalize_archive(struct zip_archive *archive)
     free(archive);
 }

+static void *zalloc(void *opaque, unsigned int items, unsigned int size)
+{
+    return malloc(items * size);
+}
+
+static void zfree(void *opaque, void *ptr)
+{
+    free(ptr);
+}
+
 static void compress_write_content(struct zip_archive *archive, IStream *content,
         OPC_COMPRESSION_OPTIONS options, struct data_descriptor *data_desc)
 {
@@ -220,6 +230,8 @@ static void compress_write_content(struct zip_archive *archive, IStream *content
     }

memset(&z_str, 0, sizeof(z_str));
+    z_str.zalloc = zalloc;
+    z_str.zfree = zfree;
     deflateInit2(&z_str, level, Z_DEFLATED, -MAX_WBITS, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY);

do