1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef BOOT_CTYPE_H
3 #define BOOT_CTYPE_H
4
5 static inline int isdigit(int ch)
6 {
7 return (ch >= '0') && (ch <= '9');
8 }
9
10 static inline int isxdigit(int ch)
11 {
12 if (isdigit(ch))
13 return true;
14
15 if ((ch >= 'a') && (ch <= 'f'))
16 return true;
17
18 return (ch >= 'A') && (ch <= 'F');
19 }
20
21 #endif