ctype.c

   1 /*
   2  * Sane locale-independent, ASCII ctype.
   3  *
   4  * No surprises, and works with signed and unsigned chars.
   5  */
   6 #include "cache.h"
   7
   8 enum {
   9         S = GIT_SPACE,
  10         A = GIT_ALPHA,
  11         D = GIT_DIGIT,
  12         G = GIT_GLOB_SPECIAL,   /* *, ?, [, \\ */
  13         R = GIT_REGEX_SPECIAL   /* $, (, ), +, ., ^, {, | */
  14 };
  15
  16 unsigned char sane_ctype[256] = {
  17         0, 0, 0, 0, 0, 0, 0, 0, 0, S, S, 0, 0, S, 0, 0,         /*   0.. 15 */
  18         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,         /*  16.. 31 */
  19         S, 0, 0, 0, R, 0, 0, 0, R, R, G, R, 0, 0, R, 0,         /*  32.. 47 */
  20         D, D, D, D, D, D, D, D, D, D, 0, 0, 0, 0, 0, G,         /*  48.. 63 */
  21         0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  64.. 79 */
  22         A, A, A, A, A, A, A, A, A, A, A, G, G, 0, R, 0,         /*  80.. 95 */
  23         0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  96..111 */
  24         A, A, A, A, A, A, A, A, A, A, A, R, R, 0, 0, 0,         /* 112..127 */
  25         /* Nothing in the 128.. range */
  26 };