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* mount.cc (compare_flags): New function. 

(read_flags): Replace loop with bsearch.  Simplify error check.
This commit is contained in:
Corinna Vinschen 2010-04-28 15:35:52 +00:00
parent 8f47a15cef
commit f00bc469e2
2 changed files with 29 additions and 16 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2010-04-28 Corinna Vinschen <corinna@vinschen.de>
* mount.cc (compare_flags): New function.
(read_flags): Replace loop with bsearch. Simplify error check.
2010-04-28 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/version.h: Bump API minor version.

40
winsup/cygwin/mount.cc
View File

@ -944,9 +944,20 @@ struct opt
{"user", MOUNT_SYSTEM, 1}
};
static int
compare_flags (const void *a, const void *b)
{
const opt *oa = (const opt *) a;
const opt *ob = (const opt *) b;
return strcmp (oa->name, ob->name);
}
static bool
read_flags (char *options, unsigned &flags)
{
opt key;
while (*options)
{
char *p = strchr (options, ',');
@ -954,22 +965,19 @@ read_flags (char *options, unsigned &flags)
*p++ = '\0';
else
p = strchr (options, '\0');
for (opt *o = oopts;
o < (oopts + (sizeof (oopts) / sizeof (oopts[0])));
o++)
if (strcmp (options, o->name) == 0)
{
if (o->clear)
flags &= ~o->val;
else
flags |= o->val;
goto gotit;
}
system_printf ("invalid fstab option - '%s'", options);
return false;
gotit:
key.name = options;
opt *o = (opt *) bsearch (&key, oopts, sizeof oopts / sizeof (opt),
sizeof (opt), compare_flags);
if (!o)
{
system_printf ("invalid fstab option - '%s'", options);
return false;
}
if (o->clear)
flags &= ~o->val;
else
flags |= o->val;
options = p;
}
return true;