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Fixes #3752.

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This commit is contained in:
Dominik Picheta 2016-04-04 12:06:25 +01:00
commit a70e6b3fde
2 changed files with 5 additions and 0 deletions
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lib/system/sysio.nim
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@ -58,6 +58,8 @@ proc readBytes(f: File, a: var openArray[int8|uint8], start, len: Natural): int
result = readBuffer(f, addr(a[start]), len)
proc readChars(f: File, a: var openArray[char], start, len: Natural): int =
if (start + len) > len(a):
raiseEIO("buffer overflow: (start+len) > length of openarray buffer")
result = readBuffer(f, addr(a[start]), len)
proc write(f: File, c: cstring) = fputs(c, f)