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IO (Windows): implement ffSuppressIO

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This commit is contained in:
李通洲
2024-06-26 13:50:42 +08:00
parent e257f876ae
commit a4614ec412
1 changed files with 34 additions and 2 deletions
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src/common/io/io_windows.c
+34 -2
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@@ -114,8 +114,40 @@ bool ffPathExpandEnv(const char* in, FFstrbuf* out)
bool ffSuppressIO(bool suppress)
{
(void) suppress; //Not implemented.
return false;
static bool init = false;
static HANDLE hOrigOut = INVALID_HANDLE_VALUE;
static HANDLE hOrigErr = INVALID_HANDLE_VALUE;
static HANDLE hNullFile = INVALID_HANDLE_VALUE;
static int fOrigOut = -1;
static int fOrigErr = -1;
static int fNullFile = -1;
if (!init)
{
if(!suppress)
return true;
hOrigOut = GetStdHandle(STD_OUTPUT_HANDLE);
hOrigErr = GetStdHandle(STD_ERROR_HANDLE);
hNullFile = CreateFileW(L"NUL", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, NULL);
fOrigOut = _dup(STDOUT_FILENO);
fOrigErr = _dup(STDERR_FILENO);
fNullFile = _open_osfhandle((intptr_t) hNullFile, 0);
init = true;
}
if (hNullFile == INVALID_HANDLE_VALUE || fNullFile == -1)
return false;
fflush(stdout);
fflush(stderr);
SetStdHandle(STD_OUTPUT_HANDLE, suppress ? hNullFile : hOrigOut);
SetStdHandle(STD_ERROR_HANDLE, suppress ? hNullFile : hOrigErr);
_dup2(suppress ? fNullFile : fOrigOut, STDOUT_FILENO);
_dup2(suppress ? fNullFile : fOrigErr, STDERR_FILENO);
return true;
}
void listFilesRecursively(uint32_t baseLength, FFstrbuf* folder, uint8_t indentation, const char* folderName, bool pretty)