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o Fix vfs_copyopt(), the first argument to bcopy() is the source,

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not the destination.
o Remove some code from vfs_getopt() which was making the interface
  more complicated to use for a very slight gain.
This commit is contained in:
Maxime Henrion 2002-05-16 17:09:41 +00:00
parent 07bf6fb676
commit 34e53231d0
1 changed files with 6 additions and 15 deletions
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21
sys/kern/vfs_subr.c
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@ -491,16 +491,10 @@ vfs_timestamp(tsp)
/*
* Get a mount option by its name.
*
* Return 0 if the option was found.
* Return ENOENT if the option wasn't found.
* If len is a non-NULL pointer and *len
* a integer different from 0, then the size
* of the option will be compared with *len and
* if they doesn't match, EINVAL is returned.
* If len is non-NULL and *len == 0, it will
* be filled with the length of the option.
* Finally, if buf is non-NULL, it will be
* filled with the address of the option.
* Return 0 if the option was found, ENOENT otherwise.
* If len is non-NULL it will be filled with the length
* of the option. If buf is non-NULL, it will be filled
* with the address of the option.
*/
int
vfs_getopt(opts, name, buf, len)
@ -516,11 +510,8 @@ vfs_getopt(opts, name, buf, len)
opt = opts->opt;
while (i++ < opts->optcnt) {
if (strcmp(name, opt->name) == 0) {
if (len != NULL) {
if ((*len != 0) && (*len != opt->len))
return (EINVAL);
if (len != NULL)
*len = opt->len;
}
if (buf != NULL)
*buf = opt->value;
return (0);
@ -555,7 +546,7 @@ vfs_copyopt(opts, name, dest, len, done)
if (strcmp(name, opt->name) == 0) {
if (len < opt->len)
return (EINVAL);
bcopy(dest, opt->value, opt->len);
bcopy(opt->value, dest, opt->len);
if (done != NULL)
*done = opt->len;
return (0);