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much better error message if an exe cannot be found

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This commit is contained in:
Araq 2015-06-27 23:35:02 +02:00
commit 2297a1aa60
2 changed files with 6 additions and 3 deletions
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7
lib/pure/os.nim
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@ -261,7 +261,7 @@ proc osErrorMsg*(errorCode: OSErrorCode): string =
if errorCode != OSErrorCode(0'i32): if errorCode != OSErrorCode(0'i32):
result = $os.strerror(errorCode.int32) result = $os.strerror(errorCode.int32)
proc raiseOSError*(errorCode: OSErrorCode) = proc raiseOSError*(errorCode: OSErrorCode; additionalInfo = "") {.noinline.} =
## Raises an ``OSError`` exception. The ``errorCode`` will determine the ## Raises an ``OSError`` exception. The ``errorCode`` will determine the
## message, ``osErrorMsg`` will be used to get this message. ## message, ``osErrorMsg`` will be used to get this message.
## ##
@ -271,7 +271,10 @@ proc raiseOSError*(errorCode: OSErrorCode) =
## the message ``unknown OS error`` will be used. ## the message ``unknown OS error`` will be used.
var e: ref OSError; new(e) var e: ref OSError; new(e)
e.errorCode = errorCode.int32 e.errorCode = errorCode.int32
e.msg = osErrorMsg(errorCode) if additionalInfo.len == 0:
e.msg = osErrorMsg(errorCode)
else:
e.msg = additionalInfo & " " & osErrorMsg(errorCode)
if e.msg == "": if e.msg == "":
e.msg = "unknown OS error" e.msg = "unknown OS error"
raise e raise e

2
lib/pure/osproc.nim
View file

@ -468,7 +468,7 @@ when defined(Windows) and not defined(useNimRtl):
fileClose(si.hStdError) fileClose(si.hStdError)
if e != nil: dealloc(e) if e != nil: dealloc(e)
if success == 0: raiseOSError(lastError) if success == 0: raiseOSError(lastError, command)
# Close the handle now so anyone waiting is woken: # Close the handle now so anyone waiting is woken:
discard closeHandle(procInfo.hThread) discard closeHandle(procInfo.hThread)
result.fProcessHandle = procInfo.hProcess result.fProcessHandle = procInfo.hProcess