tools/perf/util/sane_ctype.h

   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
  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 */