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fixed 'system.open' bug

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This commit is contained in:
Araq
2014-09-14 11:27:14 +02:00
parent 838871b4d9
commit 05f09fafcf
1 changed files with 7 additions and 7 deletions
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14
lib/system/sysio.nim
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@@ -215,13 +215,13 @@ proc open(f: var File, filename: string,
mode: FileMode = fmRead,
bufSize: int = -1): bool =
var p: pointer = fopen(filename, FormatOpen[mode])
result = (p != nil)
f = cast[File](p)
if bufSize > 0 and bufSize <= high(cint).int:
if setvbuf(f, nil, IOFBF, bufSize.cint) != 0'i32:
sysFatal(OutOfMemError, "out of memory")
elif bufSize == 0:
discard setvbuf(f, nil, IONBF, 0)
if p != nil:
result = true
f = cast[File](p)
if bufSize > 0 and bufSize <= high(cint).int:
discard setvbuf(f, nil, IOFBF, bufSize.cint)
elif bufSize == 0:
discard setvbuf(f, nil, IONBF, 0)
proc reopen(f: File, filename: string, mode: FileMode = fmRead): bool =
var p: pointer = freopen(filename, FormatOpen[mode], f)