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Apparently it's OK for done to be NULL, which was not clear in the

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Solaris man page.  Anyway, since apparently this usage is accectable
I've updated the function to handle it.


git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@63 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
This commit is contained in:
behlendo 2008-04-01 17:00:06 +00:00
parent 6a585c61de
commit 0998fdd6db
1 changed files with 5 additions and 1 deletions
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6
include/sys/vmsystm.h
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@ -37,6 +37,8 @@ copyout(const void *from, void *to, size_t len)
static __inline__ int
copyinstr(const void *from, void *to, size_t len, size_t *done)
{
size_t rc;
if (len == 0)
return -ENAMETOOLONG;
@ -46,7 +48,9 @@ copyinstr(const void *from, void *to, size_t len, size_t *done)
/* XXX: Should return ENAMETOOLONG if 'strlen(from) > len' */
memset(to, 0, len);
*done = copyin(from, to, len - 1);
rc = copyin(from, to, len - 1);
if (done != NULL)
*done = rc;
return 0;
}