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Error in *conf() must set errno.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25622 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2008-05-22 23:04:11 +00:00
parent 2d80d1b5a7
commit 4f20b083aa
1 changed files with 17 additions and 1 deletions
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18
src/system/libroot/posix/unistd/conf.c
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@ -72,6 +72,7 @@ sysconf(int name)
return _POSIX_THREADS;
}
errno = EINVAL;
return -1;
}
@ -79,6 +80,9 @@ sysconf(int name)
long
fpathconf(int fd, int name)
{
// TODO: should query the underlying filesystem
// for correct value, as most are fs-dependant
// (which is why it's a different call than sysconf() btw).
switch (name) {
case _PC_CHOWN_RESTRICTED:
return _POSIX_CHOWN_RESTRICTED;
@ -106,8 +110,10 @@ fpathconf(int fd, int name)
case _PC_VDISABLE:
return _POSIX_VDISABLE;
}
errno = EINVAL;
return -1;
}
@ -115,7 +121,17 @@ fpathconf(int fd, int name)
long
pathconf(const char *path, int name)
{
return fpathconf(-1, name);
int fd;
long value;
//XXX: some names shouldn't require openning,
// just statfs
fd = open(path, O_RDONLY | O_NOCTTY | O_NOTRAVERSE);
if (fd < 0)
return fd;
value = fpathconf(fd, name);
close(fd);
return value;
}