LXR linux/tools/perf/util/sane

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _PERF_SANE_CTYPE_H
   3#define _PERF_SANE_CTYPE_H
   4
   5extern const char *graph_line;
   6extern const char *graph_dotted_line;
   7extern const char *spaces;
   8extern 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
  23extern 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
  45static 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