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$NetBSD: patch-lib_sysfs.c,v 1.1 2022/04/02 21:00:54 riastradh Exp $
Fix ctype(3) abuse.
--- lib/sysfs.c.orig 2018-07-11 13:34:54.228003727 +0000
+++ lib/sysfs.c
@@ -346,8 +346,9 @@ int sysfs_is_partition_dirent(DIR *dir,
* "<parent>[:digit:]" or "<parent>p[:digit:]"
*/
return strncmp(p, d->d_name, len) == 0 &&
- ((*(d->d_name + len) == 'p' && isdigit(*(d->d_name + len + 1)))
- || isdigit(*(d->d_name + len)));
+ ((*(d->d_name + len) == 'p' &&
+ isdigit((unsigned char)*(d->d_name + len + 1)))
+ || isdigit((unsigned char)*(d->d_name + len)));
}
/* Cannot use /partition file, not supported on old sysfs */
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