return 0;
}
-int safe_atou8(const char *s, uint8_t *ret) {
- unsigned base = 0;
- unsigned long l;
- char *x = NULL;
-
- assert(s);
-
- s += strspn(s, WHITESPACE);
- s = mangle_base(s, &base);
+int safe_atou8_full(const char *s, unsigned base, uint8_t *ret) {
+ unsigned u;
+ int r;
- errno = 0;
- l = strtoul(s, &x, base);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x != 0)
- return -EINVAL;
- if (l != 0 && s[0] == '-')
- return -ERANGE;
- if ((unsigned long) (uint8_t) l != l)
+ r = safe_atou_full(s, base, &u);
+ if (r < 0)
+ return r;
+ if (u > UINT8_MAX)
return -ERANGE;
- if (ret)
- *ret = (uint8_t) l;
+ *ret = (uint8_t) u;
return 0;
}
int safe_atoi(const char *s, int *ret_i);
int safe_atolli(const char *s, long long int *ret_i);
-int safe_atou8(const char *s, uint8_t *ret);
+int safe_atou8_full(const char *s, unsigned base, uint8_t *ret);
+
+static inline int safe_atou8(const char *s, uint8_t *ret) {
+ return safe_atou8_full(s, 0, ret);
+}
int safe_atou16_full(const char *s, unsigned base, uint16_t *ret);