1/* match.h - interface to shell ##/%% matching code */ 2 3#ifndef SHELL_MATCH_H 4#define SHELL_MATCH_H 1 5 6PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN 7 8//TODO! Why ash.c still uses internal version?! 9 10enum { 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 17char* FAST_FUNC scan_and_match(char *string, const char *pattern, unsigned flags); 18 19static 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 32POP_SAVED_FUNCTION_VISIBILITY 33 34#endif 35