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 
pick_scan(char op1,char op2)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
35