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User proper method of console identification (msvcrt).

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cheatfate 2020-09-30 16:19:51 +03:00
parent cb44a0db40
commit 4363df120f
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GPG Key ID: 46ADD633A7201F95
1 changed files with 9 additions and 10 deletions
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19
stew/conio.nim
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@ -51,6 +51,8 @@ when defined(windows):
lpDefaultChar: pointer,
lpUsedDefaultChar: pointer): cint {.
importc: "WideCharToMultiByte", stdcall, dynlib: "kernel32", sideEffect.}
proc getFileType(hFile: uint): uint32 {.
importc: "GetFileType", stdcall, dynlib: "kernel32", sideEffect.}
const
CP_UTF8 = 65001'u32
@ -59,20 +61,17 @@ when defined(windows):
INVALID_HANDLE_VALUE = cast[uint](-1)
ENABLE_PROCESSED_INPUT = 0x0001'u32
ENABLE_ECHO_INPUT = 0x0004'u32
ERROR_INVALID_HANDLE = 0x0006'u32
FILE_TYPE_CHAR = 0x0002'u32
proc isConsoleRedirected(hConsole: uint): bool =
## Returns ``true`` if console handle was redirected.
var mode: uint32
let res = getConsoleMode(hConsole, mode)
if res == 0:
let errCode = ioLastError()
if errCode == ERROR_INVALID_HANDLE:
true
else:
false
else:
let res = getFileType(hConsole)
if res == FILE_TYPE_CHAR:
# The specified handle is a character device, typically an LPT device or a
# console.
false
else:
true
proc readConsoleInput(maxBytes: int): IoResult[string] =
let hConsoleInput =