linux_old1/fs/proc/util.c

24 lines
361 B
C

#include <linux/dcache.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;
}