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35 lines
806 B
C
35 lines
806 B
C
/* match.h - interface to shell ##/%% matching code */
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#ifndef SHELL_MATCH_H
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#define SHELL_MATCH_H 1
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PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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//TODO! Why ash.c still uses internal version?!
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enum {
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SCAN_MOVE_FROM_LEFT = (1 << 0),
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SCAN_MOVE_FROM_RIGHT = (1 << 1),
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SCAN_MATCH_LEFT_HALF = (1 << 2),
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SCAN_MATCH_RIGHT_HALF = (1 << 3),
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};
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char* FAST_FUNC scan_and_match(char *string, const char *pattern, unsigned flags);
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static inline unsigned pick_scan(char op1, char op2)
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{
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unsigned scan_flags;
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if (op1 == '#') {
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scan_flags = SCAN_MATCH_LEFT_HALF +
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(op1 == op2 ? SCAN_MOVE_FROM_RIGHT : SCAN_MOVE_FROM_LEFT);
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} else { /* % */
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scan_flags = SCAN_MATCH_RIGHT_HALF +
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(op1 == op2 ? SCAN_MOVE_FROM_LEFT : SCAN_MOVE_FROM_RIGHT);
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}
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return scan_flags;
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}
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POP_SAVED_FUNCTION_VISIBILITY
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#endif
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