Piotr Caban : msvcr80/tests: Fix errno access in tests.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3473dd5268873b304b6f3d64777822f2690b72b9
URL:    https://gitlab.winehq.org/wine/wine/-/commit/3473dd5268873b304b6f3d64777822f...

Author: Piotr Caban 
Date:   Tue Apr 30 14:20:27 2024 +0200

msvcr80/tests: Fix errno access in tests.

---

dlls/msvcr80/tests/msvcr80.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/msvcr80/tests/msvcr80.c b/dlls/msvcr80/tests/msvcr80.c
index fa04b024031..6e48ecf2894 100644
--- a/dlls/msvcr80/tests/msvcr80.c
+++ b/dlls/msvcr80/tests/msvcr80.c
@@ -64,6 +64,11 @@ static int (__cdecl *p_strcmp)(const char *, const char *);
 static int (__cdecl *p_strncmp)(const char *, const char *, size_t);
 static int (__cdecl *p_dupenv_s)(char **, size_t *, const char *);
 static int (__cdecl *p_wdupenv_s)(wchar_t **, size_t *, const wchar_t *);
+static int* (__cdecl *p_errno)(void);
+
+/* make sure we use the correct errno */
+#undef errno
+#define errno (*p_errno())

#define SETNOFAIL(x,y) x = (void*)GetProcAddress(hcrt,y)
 #define SET(x,y) do { SETNOFAIL(x,y); ok(x != NULL, "Export '%s' not found\n", y); } while(0)
@@ -87,6 +92,7 @@ static BOOL init(void)
     SET(p_strncmp, "strncmp");
     SET(p_dupenv_s, "_dupenv_s");
     SET(p_wdupenv_s, "_wdupenv_s");
+    SET(p_errno, "_errno");

return TRUE;
 }