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
10typedef char *(*scan_t)(char *string, char *match, bool match_at_left);
11
12char *scanleft(char *string, char *match, bool match_at_left);
13char *scanright(char *string, char *match, bool match_at_left);
14
15static inline scan_t pick_scan(char op1, char op2, bool *match_at_left)
16{
17	/* #  - scanleft
18	 * ## - scanright
19	 * %  - scanright
20	 * %% - scanleft
21	 */
22	if (op1 == '#') {
23		*match_at_left = true;
24		return op1 == op2 ? scanright : scanleft;
25	} else {
26		*match_at_left = false;
27		return op1 == op2 ? scanleft : scanright;
28	}
29}
30
31POP_SAVED_FUNCTION_VISIBILITY
32
33#endif
34