Function _set_doserrno() is available in msvcr80+, UCRT and also in
msvcrt.dll since Windows Vista.
---
mingw-w64-crt/Makefile.am | 3 +++
mingw-w64-crt/lib-common/msvcrt.def.in | 2 +-
mingw-w64-crt/misc/_set_doserrno.c | 13 +++++++++++++
3 files changed, 17 insertions(+), 1 deletion(-)
create mode 100644 mingw-w64-crt/misc/_set_doserrno.c
diff --git a/mingw-w64-crt/Makefile.am b/mingw-w64-crt/Makefile.am
index 5cb7259071f4..1c10a9029cf8 100644
--- a/mingw-w64-crt/Makefile.am
+++ b/mingw-w64-crt/Makefile.am
@@ -563,6 +563,7 @@ src_msvcrt32=\
misc/_get_current_locale.c \
misc/_get_doserrno.c \
misc/_initterm_e.c \
+ misc/_set_doserrno.c \
misc/_time64.c \
misc/imaxabs.c \
misc/lc_locale_func.c \
@@ -625,6 +626,7 @@ src_msvcrt64=\
misc/_get_current_locale.c \
misc/_get_doserrno.c \
misc/_initterm_e.c \
+ misc/_set_doserrno.c \
misc/output_format.c \
misc/_get_errno.c \
misc/_set_errno.c \
@@ -895,6 +897,7 @@ src_pre_msvcr80=\
misc/_get_wpgmptr.c \
misc/_initterm_e.c \
misc/_recalloc.c \
+ misc/_set_doserrno.c \
misc/_set_errno.c \
misc/imaxabs.c \
misc/invalid_parameter_handler.c \
diff --git a/mingw-w64-crt/lib-common/msvcrt.def.in
b/mingw-w64-crt/lib-common/msvcrt.def.in
index 05a59ba35f53..ee7515c8d133 100644
--- a/mingw-w64-crt/lib-common/msvcrt.def.in
+++ b/mingw-w64-crt/lib-common/msvcrt.def.in
@@ -1615,7 +1615,7 @@ _scwprintf_p_l
_searchenv_s
F_I386(_seh_longjmp_unwind4@4)
_set_controlfp
-_set_doserrno
+F_ARM_ANY(_set_doserrno) ; i386 and x64 _set_doserrno replaced by emu
F_ARM_ANY(_set_errno) ; i386 and x64 _set_errno replaced by emu
_set_fileinfo
_set_fmode
diff --git a/mingw-w64-crt/misc/_set_doserrno.c
b/mingw-w64-crt/misc/_set_doserrno.c
new file mode 100644
index 000000000000..5c519803f788
--- /dev/null
+++ b/mingw-w64-crt/misc/_set_doserrno.c
@@ -0,0 +1,13 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+#include <stdlib.h>
+
+errno_t __cdecl _set_doserrno(unsigned long value)
+{
+ _doserrno = value;
+ return 0;
+}
+errno_t (__cdecl *__MINGW_IMP_SYMBOL(_set_doserrno))(unsigned long) =
_set_doserrno;
--
2.20.1
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