Danyil Blyschak : opcservices: Check for memory allocation failure before deflating.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f0707f17577db9675d49a829d4cb6b43596e8505
URL:    https://gitlab.winehq.org/wine/wine/-/commit/f0707f17577db9675d49a829d4cb6b4...

Author: Danyil Blyschak <dblyschak(a)codeweavers.com>
Date:   Thu Jun 13 12:52:19 2024 -0500

opcservices: Check for memory allocation failure before deflating.

---

 dlls/opcservices/compress.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/opcservices/compress.c b/dlls/opcservices/compress.c
index 841c674c26c..78b38f8437a 100644
--- a/dlls/opcservices/compress.c
+++ b/dlls/opcservices/compress.c
@@ -202,6 +202,7 @@ static void compress_write_content(struct zip_archive *archive, IStream *content
     LARGE_INTEGER move;
     ULONG num_read;
     HRESULT hr;
+    int init_ret;
 
     data_desc->crc32 = RtlComputeCrc32(0, NULL, 0);
     move.QuadPart = 0;
@@ -232,7 +233,8 @@ 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);
+    if ((init_ret = deflateInit2(&z_str, level, Z_DEFLATED, -MAX_WBITS, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY)) != Z_OK)
+        WARN("Failed to allocate memory in deflateInit2, ret %d.\n", init_ret);
 
     do
     {