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Getgroups max on Linux is bigger than I thought.

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R=iant
DELTA=3  (2 added, 0 deleted, 1 changed)
OCL=28994
CL=29003
This commit is contained in:
Russ Cox 2009-05-18 14:56:25 -07:00
parent be869ba4d6
commit 69f55d1487
1 changed files with 3 additions and 1 deletions
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4
src/lib/os/user.go
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@ -44,7 +44,9 @@ func Getgroups() ([]int, os.Error) {
return nil, ErrnoToError(err);
}
if r1 < 0 || r1 > 1024 { // the current max is 16; 1024 is a future-proof sanity check
// Sanity check group count.
// On Linux, max is 1<<16; on BSD, OS X, max is 16.
if r1 < 0 || r1 > 1<<20 {
return nil, EINVAL;
}
a := make([]int, r1);