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mdbx-windows: use CreateFileW() instead of CreateFileA().

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Resolves https://github.com/leo-yuriev/libmdbx/issues/66

Change-Id: I0266a8a77460940332045c19cb561553a5047e7c
This commit is contained in:
Leonid Yuriev 2019-11-04 12:57:44 +03:00
parent fff19d878f
commit b7ed67543f
2 changed files with 20 additions and 15 deletions
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15
mdbx.h
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@ -1458,7 +1458,7 @@ LIBMDBX_API int mdbx_env_create(MDBX_env **penv);
* called later to discard the MDBX_env handle and release associated resources.
*
* [in] env An environment handle returned by mdbx_env_create()
* [in] path The directory in which the database files reside.
* [in] pathname The directory in which the database files reside.
* This directory must already exist and be writable.
* [in] flags Special options for this environment. This parameter
* must be set to 0 or by bitwise OR'ing together one
@ -1514,8 +1514,8 @@ LIBMDBX_API int mdbx_env_create(MDBX_env **penv);
* after a system crash.
* - MDBX_TOO_LARGE = Database is too large for this process, i.e.
* 32-bit process tries to open >4Gb database. */
LIBMDBX_API int mdbx_env_open(MDBX_env *env, const char *path, unsigned flags,
mode_t mode);
LIBMDBX_API int mdbx_env_open(MDBX_env *env, const char *pathname,
unsigned flags, mode_t mode);
/* Copy an MDBX environment to the specified path, with options.
*
@ -1527,7 +1527,7 @@ LIBMDBX_API int mdbx_env_open(MDBX_env *env, const char *path, unsigned flags,
*
* [in] env An environment handle returned by mdbx_env_create(). It must
* have already been opened successfully.
* [in] path The directory in which the copy will reside. This directory
* [in] dest The directory in which the copy will reside. This directory
* must already exist and be writable but must otherwise be empty.
* [in] flags Special options for this operation. This parameter must be set
* to 0 or by bitwise OR'ing together one or more of the values
@ -1540,8 +1540,7 @@ LIBMDBX_API int mdbx_env_open(MDBX_env *env, const char *path, unsigned flags,
* account skipping free pages.
*
* Returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_env_copy(MDBX_env *env, const char *dest_path,
unsigned flags);
LIBMDBX_API int mdbx_env_copy(MDBX_env *env, const char *dest, unsigned flags);
/* Copy an MDBX environment to the specified file descriptor,
* with options.
@ -1821,14 +1820,14 @@ LIBMDBX_API int mdbx_env_get_flags(MDBX_env *env, unsigned *flags);
/* Return the path that was used in mdbx_env_open().
*
* [in] env An environment handle returned by mdbx_env_create()
* [out] path Address of a string pointer to contain the path.
* [out] dest Address of a string pointer to contain the path.
* This is the actual string in the environment, not a copy.
* It should not be altered in any way.
*
* Returns A non-zero error value on failure and 0 on success, some
* possible errors are:
* - MDBX_EINVAL = an invalid parameter was specified. */
LIBMDBX_API int mdbx_env_get_path(MDBX_env *env, const char **path);
LIBMDBX_API int mdbx_env_get_path(MDBX_env *env, const char **dest);
/* Return the file descriptor for the given environment.
*

8
src/elements/osal.c
View File

@ -505,6 +505,12 @@ MDBX_INTERNAL_FUNC int mdbx_openfile(const char *pathname, int flags,
*fd = INVALID_HANDLE_VALUE;
#if defined(_WIN32) || defined(_WIN64)
(void)mode;
size_t wlen = mbstowcs(nullptr, pathname, INT_MAX);
if (wlen < 1 || wlen > /* MAX_PATH */ INT16_MAX)
return ERROR_INVALID_NAME;
wchar_t *const pathnameW = _alloca((wlen + 1) * sizeof(wchar_t));
if (wlen != mbstowcs(pathnameW, pathname, wlen + 1))
return ERROR_INVALID_NAME;
DWORD DesiredAccess, ShareMode;
DWORD FlagsAndAttributes = FILE_ATTRIBUTE_NORMAL;
@ -544,7 +550,7 @@ MDBX_INTERNAL_FUNC int mdbx_openfile(const char *pathname, int flags,
break;
}
*fd = CreateFileA(pathname, DesiredAccess, ShareMode, NULL,
*fd = CreateFileW(pathnameW, DesiredAccess, ShareMode, NULL,
CreationDisposition, FlagsAndAttributes, NULL);
if (*fd == INVALID_HANDLE_VALUE)