1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_SANE_CTYPE_H
3 #define _PERF_SANE_CTYPE_H
4
5 extern const char *graph_line;
6 extern const char *graph_dotted_line;
7 extern const char *spaces;
8 extern const char *dots;
9
10 /* Sane ctype - no locale, and works with signed chars */
11 #undef isascii
12 #undef isspace
13 #undef isdigit
14 #undef isxdigit
15 #undef isalpha
16 #undef isprint
17 #undef isalnum
18 #undef islower
19 #undef isupper
20 #undef tolower
21 #undef toupper
22
23 extern unsigned char sane_ctype[256];
24 #define GIT_SPACE 0x01
25 #define GIT_DIGIT 0x02
26 #define GIT_ALPHA 0x04
27 #define GIT_GLOB_SPECIAL 0x08
28 #define GIT_REGEX_SPECIAL 0x10
29 #define GIT_PRINT_EXTRA 0x20
30 #define GIT_PRINT 0x3E
31 #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
32 #define isascii(x) (((x) & ~0x7f) == 0)
33 #define isspace(x) sane_istest(x,GIT_SPACE)
34 #define isdigit(x) sane_istest(x,GIT_DIGIT)
35 #define isxdigit(x) \
36 (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
37 #define isalpha(x) sane_istest(x,GIT_ALPHA)
38 #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
39 #define isprint(x) sane_istest(x,GIT_PRINT)
40 #define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
41 #define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
42 #define tolower(x) sane_case((unsigned char)(x), 0x20)
43 #define toupper(x) sane_case((unsigned char)(x), 0)
44
sane_case(int x,int high)45 static inline int sane_case(int x, int high)
46 {
47 if (sane_istest(x, GIT_ALPHA))
48 x = (x & ~0x20) | high;
49 return x;
50 }
51
52 #endif /* _PERF_SANE_CTYPE_H */
53