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[winpr,file] create global instance for GetStdHandle

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This commit is contained in:
akallabeth
2025-03-20 11:41:15 +01:00
parent 56432b902c
commit cd682e2c1b
1 changed files with 28 additions and 5 deletions
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33
winpr/libwinpr/file/file.c
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@@ -56,6 +56,10 @@
#define MIN(x, y) (((x) < (y)) ? (x) : (y))
#endif
static WINPR_FILE* pStdHandleFile = NULL;
static void GetStdHandle_Uninit(void) __attribute__((destructor));
static BOOL FileIsHandled(HANDLE handle)
{
return WINPR_HANDLE_IS_HANDLED(handle, HANDLE_TYPE_FILE, FALSE);
@@ -71,13 +75,21 @@ static int FileGetFd(HANDLE handle)
return fileno(file->fp);
}
static BOOL FileCloseHandle(HANDLE handle)
static BOOL FileCloseHandleInt(HANDLE handle, BOOL force)
{
WINPR_FILE* file = (WINPR_FILE*)handle;
if (!FileIsHandled(handle))
return FALSE;
if (!force)
{
if (handle == pStdHandleFile)
{
return FALSE;
}
}
if (file->fp)
{
/* Don't close stdin/stdout/stderr */
@@ -93,6 +105,11 @@ static BOOL FileCloseHandle(HANDLE handle)
return TRUE;
}
static BOOL FileCloseHandle(HANDLE handle)
{
return FileCloseHandleInt(handle, FALSE);
}
static BOOL FileSetEndOfFile(HANDLE hFile)
{
WINPR_FILE* pFile = (WINPR_FILE*)hFile;
@@ -1008,10 +1025,14 @@ static WINPR_FILE* FileHandle_New(FILE* fp)
return pFile;
}
void GetStdHandle_Uninit(void)
{
FileCloseHandleInt(pStdHandleFile, TRUE);
}
HANDLE GetStdHandle(DWORD nStdHandle)
{
FILE* fp = NULL;
WINPR_FILE* pFile = NULL;
switch (nStdHandle)
{
@@ -1027,11 +1048,13 @@ HANDLE GetStdHandle(DWORD nStdHandle)
default:
return INVALID_HANDLE_VALUE;
}
pFile = FileHandle_New(fp);
if (!pFile)
if (!pStdHandleFile)
pStdHandleFile = FileHandle_New(fp);
if (!pStdHandleFile)
return INVALID_HANDLE_VALUE;
return (HANDLE)pFile;
return (HANDLE)pStdHandleFile;
}
BOOL SetStdHandle(WINPR_ATTR_UNUSED DWORD nStdHandle, WINPR_ATTR_UNUSED HANDLE hHandle)