Andrew Nguyen : msvcrt: Implement _get_errno.
Alexandre Julliard
julliard at winehq.org
Tue Sep 28 11:13:34 CDT 2010
Module: wine
Branch: master
Commit: 79ab715272921f426d2b2c23f1dc80703c5c2631
URL: http://source.winehq.org/git/wine.git/?a=commit;h=79ab715272921f426d2b2c23f1dc80703c5c2631
Author: Andrew Nguyen <anguyen at codeweavers.com>
Date: Tue Sep 28 03:48:24 2010 -0500
msvcrt: Implement _get_errno.
---
dlls/msvcr100/msvcr100.spec | 2 +-
dlls/msvcr80/msvcr80.spec | 2 +-
dlls/msvcr90/msvcr90.spec | 2 +-
dlls/msvcrt/errno.c | 12 ++++++++++++
dlls/msvcrt/msvcrt.spec | 2 +-
dlls/msvcrt/tests/misc.c | 25 +++++++++++++++++++++++++
include/msvcrt/stdlib.h | 1 +
7 files changed, 42 insertions(+), 4 deletions(-)
diff --git a/dlls/msvcr100/msvcr100.spec b/dlls/msvcr100/msvcr100.spec
index 6d90b3b..bece7c5 100644
--- a/dlls/msvcr100/msvcr100.spec
+++ b/dlls/msvcr100/msvcr100.spec
@@ -679,7 +679,7 @@
@ stub _get_daylight
@ stub _get_doserrno
@ stub _get_dstbias
-@ stub _get_errno
+@ cdecl _get_errno(ptr) msvcrt._get_errno
@ stub _get_fmode
@ cdecl _get_heap_handle() msvcrt._get_heap_handle
@ cdecl _get_invalid_parameter_handler() msvcrt._get_invalid_parameter_handler
diff --git a/dlls/msvcr80/msvcr80.spec b/dlls/msvcr80/msvcr80.spec
index c30ef6e..d44ce22 100644
--- a/dlls/msvcr80/msvcr80.spec
+++ b/dlls/msvcr80/msvcr80.spec
@@ -521,7 +521,7 @@
@ stub _get_daylight
@ stub _get_doserrno
@ stub _get_dstbias
-@ stub _get_errno
+@ cdecl _get_errno(ptr) msvcrt._get_errno
@ stub _get_fmode
@ cdecl _get_heap_handle() msvcrt._get_heap_handle
@ cdecl _get_invalid_parameter_handler() msvcrt._get_invalid_parameter_handler
diff --git a/dlls/msvcr90/msvcr90.spec b/dlls/msvcr90/msvcr90.spec
index 4e07480..f7f43fb 100644
--- a/dlls/msvcr90/msvcr90.spec
+++ b/dlls/msvcr90/msvcr90.spec
@@ -513,7 +513,7 @@
@ stub _get_daylight
@ stub _get_doserrno
@ stub _get_dstbias
-@ stub _get_errno
+@ cdecl _get_errno(ptr) msvcrt._get_errno
@ stub _get_fmode
@ cdecl _get_heap_handle() msvcrt._get_heap_handle
@ cdecl _get_invalid_parameter_handler() msvcrt._get_invalid_parameter_handler
diff --git a/dlls/msvcrt/errno.c b/dlls/msvcrt/errno.c
index 2e03ec1..7d1ebe2 100644
--- a/dlls/msvcrt/errno.c
+++ b/dlls/msvcrt/errno.c
@@ -204,6 +204,18 @@ MSVCRT_ulong* CDECL MSVCRT___doserrno(void)
}
/*********************************************************************
+ * _get_errno (MSVCRT.@)
+ */
+int CDECL _get_errno(int *pValue)
+{
+ if (!pValue)
+ return MSVCRT_EINVAL;
+
+ *pValue = *MSVCRT__errno();
+ return 0;
+}
+
+/*********************************************************************
* strerror (MSVCRT.@)
*/
char* CDECL MSVCRT_strerror(int err)
diff --git a/dlls/msvcrt/msvcrt.spec b/dlls/msvcrt/msvcrt.spec
index 4fb9f8d..fb30d3d 100644
--- a/dlls/msvcrt/msvcrt.spec
+++ b/dlls/msvcrt/msvcrt.spec
@@ -464,7 +464,7 @@
@ cdecl _gcvt_s(ptr long double long)
# stub _get_doserrno
# stub _get_environ
-# stub _get_errno
+@ cdecl _get_errno(ptr)
# stub _get_fileinfo
# stub _get_fmode
@ cdecl _get_heap_handle()
diff --git a/dlls/msvcrt/tests/misc.c b/dlls/msvcrt/tests/misc.c
index 34980eb..21d9b5c 100644
--- a/dlls/msvcrt/tests/misc.c
+++ b/dlls/msvcrt/tests/misc.c
@@ -26,6 +26,7 @@ static int (__cdecl *prand_s)(unsigned int *);
static int (__cdecl *pmemcpy_s)(void *, MSVCRT_size_t, void*, MSVCRT_size_t);
static int (__cdecl *pI10_OUTPUT)(long double, int, int, void*);
static int (__cdecl *pstrerror_s)(char *, MSVCRT_size_t, int);
+static int (__cdecl *p_get_errno)(int *);
static void init(void)
{
@@ -35,6 +36,7 @@ static void init(void)
pmemcpy_s = (void*)GetProcAddress(hmod, "memcpy_s");
pI10_OUTPUT = (void*)GetProcAddress(hmod, "$I10_OUTPUT");
pstrerror_s = (void *)GetProcAddress(hmod, "strerror_s");
+ p_get_errno = (void *)GetProcAddress(hmod, "_get_errno");
}
static void test_rand_s(void)
@@ -241,6 +243,28 @@ static void test_strerror_s(void)
ok(ret == 0, "Expected strerror_s to return 0, got %d\n", ret);
}
+static void test__get_errno(void)
+{
+ int ret, out;
+
+ if (!p_get_errno)
+ {
+ win_skip("_get_errno is not available\n");
+ return;
+ }
+
+ errno = EBADF;
+ ret = p_get_errno(NULL);
+ ok(ret == EINVAL, "Expected _get_errno to return EINVAL, got %d\n", ret);
+ ok(errno == EBADF, "Expected errno to be EBADF, got %d\n", errno);
+
+ errno = EBADF;
+ out = 0xdeadbeef;
+ ret = p_get_errno(&out);
+ ok(ret == 0, "Expected _get_errno to return 0, got %d\n", ret);
+ ok(out == EBADF, "Expected output variable to be EBADF, got %d\n", out);
+}
+
START_TEST(misc)
{
init();
@@ -249,4 +273,5 @@ START_TEST(misc)
test_memcpy_s();
test_I10_OUTPUT();
test_strerror_s();
+ test__get_errno();
}
diff --git a/include/msvcrt/stdlib.h b/include/msvcrt/stdlib.h
index 5e95d35..0eb2a21 100644
--- a/include/msvcrt/stdlib.h
+++ b/include/msvcrt/stdlib.h
@@ -128,6 +128,7 @@ extern int* __cdecl _errno(void);
* char** _sys_errlist;
*/
+errno_t __cdecl _get_errno(int*);
typedef int (__cdecl *_onexit_t)(void);
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