hush/shell/match.h

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/* match.h - interface to shell ##/%% matching code */
#ifndef SHELL_MATCH_H
#define SHELL_MATCH_H 1
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
//TODO! Why ash.c still uses internal version?!
typedef char *(*scan_t)(char *string, char *match, bool match_at_left);
char *scanleft(char *string, char *match, bool match_at_left);
char *scanright(char *string, char *match, bool match_at_left);
static inline scan_t pick_scan(char op1, char op2, bool *match_at_left)
{
/* # - scanleft
* ## - scanright
* % - scanright
* %% - scanleft
*/
if (op1 == '#') {
*match_at_left = true;
return op1 == op2 ? scanright : scanleft;
} else {
*match_at_left = false;
return op1 == op2 ? scanleft : scanright;
}
}
POP_SAVED_FUNCTION_VISIBILITY
#endif