diff options
Diffstat (limited to '')
| -rw-r--r-- | fs/proc/util.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/proc/util.c b/fs/proc/util.c new file mode 100644 index 0000000000..98f8adc173 --- /dev/null +++ b/fs/proc/util.c @@ -0,0 +1,24 @@ +#include <linux/dcache.h> +#include "internal.h" + +unsigned name_to_int(const struct qstr *qstr) +{ + const char *name = qstr->name; + int len = qstr->len; + unsigned n = 0; + + if (len > 1 && *name == '0') + goto out; + do { + unsigned c = *name++ - '0'; + if (c > 9) + goto out; + if (n >= (~0U-9)/10) + goto out; + n *= 10; + n += c; + } while (--len > 0); + return n; +out: + return ~0U; +} |