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* grp.cc (internal_getgroups): Drop local buf. Allocate groups

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directly using alloca.
This commit is contained in:
Corinna Vinschen 2008-04-16 10:02:05 +00:00
parent a4ed1daa7f
commit ab6cadb0c3
2 changed files with 7 additions and 3 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2008-04-16 Corinna Vinschen <corinna@vinschen.de>
* grp.cc (internal_getgroups): Drop local buf. Allocate groups
directly using alloca.
2008-04-14 Corinna Vinschen <corinna@vinschen.de> 2008-04-14 Corinna Vinschen <corinna@vinschen.de>
* postinstall: Fix copy/paste bug. * postinstall: Fix copy/paste bug.

5
winsup/cygwin/grp.cc
View File

@ -365,10 +365,9 @@ internal_getgroups (int gidsetsize, __gid32_t *grouplist, cygpsid * srchsid)
if (GetTokenInformation (hToken, TokenGroups, NULL, 0, &size) if (GetTokenInformation (hToken, TokenGroups, NULL, 0, &size)
|| GetLastError () == ERROR_INSUFFICIENT_BUFFER) || GetLastError () == ERROR_INSUFFICIENT_BUFFER)
{ {
char buf[size]; PTOKEN_GROUPS groups = (PTOKEN_GROUPS) alloca (size);
TOKEN_GROUPS *groups = (TOKEN_GROUPS *) buf;
if (GetTokenInformation (hToken, TokenGroups, buf, size, &size)) if (GetTokenInformation (hToken, TokenGroups, groups, size, &size))
{ {
cygsid sid; cygsid sid;