-/* some reluctance to put this into a new limits.h, so it is here */
-#define INT_MAX ((int)(~0U>>1))
-
-static const char hex_asc[] = "0123456789abcdef";
-#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
-#define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4]
-
-static inline char *pack_hex_byte(char *buf, u8 byte)
-{
- *buf++ = hex_asc_hi(byte);
- *buf++ = hex_asc_lo(byte);
- return buf;
-}
-
-unsigned long simple_strtoul(const char *cp, char **endp,
- unsigned int base)
-{
- unsigned long result = 0;
- unsigned long value;
-
- if (*cp == '0') {
- cp++;
- if ((*cp == 'x') && isxdigit(cp[1])) {
- base = 16;
- cp++;
- }
-
- if (!base)
- base = 8;
- }
-
- if (!base)
- base = 10;
-
- while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
- ? toupper(*cp) : *cp)-'A'+10) < base) {
- result = result*base + value;
- cp++;
- }
-
- if (endp)
- *endp = (char *)cp;
-
- return result;
-}
-
-int strict_strtoul(const char *cp, unsigned int base, unsigned long *res)
-{
- char *tail;
- unsigned long val;
- size_t len;
-
- *res = 0;
- len = strlen(cp);
- if (len == 0)
- return -EINVAL;
-
- val = simple_strtoul(cp, &tail, base);
- if (tail == cp)
- return -EINVAL;
-
- if ((*tail == '\0') ||
- ((len == (size_t)(tail - cp) + 1) && (*tail == '\n'))) {
- *res = val;
- return 0;
- }
-
- return -EINVAL;
-}
-
-long simple_strtol(const char *cp, char **endp, unsigned int base)
-{
- if (*cp == '-')
- return -simple_strtoul(cp + 1, endp, base);
-
- return simple_strtoul(cp, endp, base);
-}
-
-int ustrtoul(const char *cp, char **endp, unsigned int base)
-{
- unsigned long result = simple_strtoul(cp, endp, base);
- switch (**endp) {
- case 'G':
- result *= 1024;
- /* fall through */
- case 'M':
- result *= 1024;
- /* fall through */
- case 'K':
- case 'k':
- result *= 1024;
- if ((*endp)[1] == 'i') {
- if ((*endp)[2] == 'B')
- (*endp) += 3;
- else
- (*endp) += 2;
- }
- }
- return result;
-}
-
-unsigned long long simple_strtoull(const char *cp, char **endp,
- unsigned int base)
-{
- unsigned long long result = 0, value;
-
- if (*cp == '0') {
- cp++;
- if ((*cp == 'x') && isxdigit(cp[1])) {
- base = 16;
- cp++;
- }
-
- if (!base)
- base = 8;
- }
-
- if (!base)
- base = 10;
-
- while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp - '0'
- : (islower(*cp) ? toupper(*cp) : *cp) - 'A' + 10) < base) {
- result = result * base + value;
- cp++;
- }
-
- if (endp)
- *endp = (char *) cp;
-
- return result;
-}
-