shell/match.h

   1 /* match.h - interface to shell ##/%% matching code */
   2
   3 #ifndef SHELL_MATCH_H
   4 #define SHELL_MATCH_H 1
   5
   6 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
   7
   8 //TODO! Why ash.c still uses internal version?!
   9
  10 enum {
  11         SCAN_MOVE_FROM_LEFT = (1 << 0),
  12         SCAN_MOVE_FROM_RIGHT = (1 << 1),
  13         SCAN_MATCH_LEFT_HALF = (1 << 2),
  14         SCAN_MATCH_RIGHT_HALF = (1 << 3),
  15 };
  16
  17 char* FAST_FUNC scan_and_match(char *string, const char *pattern, unsigned flags);
  18
  19 static inline unsigned pick_scan(char op1, char op2)
  20 {
  21         unsigned scan_flags;
  22         if (op1 == '#') {
  23                 scan_flags = SCAN_MATCH_LEFT_HALF +
  24                         (op1 == op2 ? SCAN_MOVE_FROM_RIGHT : SCAN_MOVE_FROM_LEFT);
  25         } else { /* % */
  26                 scan_flags = SCAN_MATCH_RIGHT_HALF +
  27                         (op1 == op2 ? SCAN_MOVE_FROM_LEFT : SCAN_MOVE_FROM_RIGHT);
  28         }
  29         return scan_flags;
  30 }
  31
  32 POP_SAVED_FUNCTION_VISIBILITY
  33
  34 #endif