libcompat/regexp/regexp.c

167 static char *regparse;		/* Input-scan pointer. */
213 	char *scan;
257 	scan = r->program+1;			/* First BRANCH. */
258 	if (OP(regnext(scan)) == END) {		/* Only one top-level choice. */
259 		scan = OPERAND(scan);
262 		if (OP(scan) == EXACTLY)
263 			r->regstart = *OPERAND(scan);
264 		else if (OP(scan) == BOL)
278 			for (; scan != NULL; scan = regnext(scan))
279 				if (OP(scan) == EXACTLY && (int) strlen(OPERAND(scan)) >= len) {
280 					longest = OPERAND(scan);
281 					len = strlen(OPERAND(scan));
629 						/* Backup point is \, scan							 * point is after it. */
726 	char *scan;
734 	scan = p;
736 		temp = regnext(scan);
739 		scan = temp;
742 	if (OP(scan) == BACK)
743 		offset = scan - val;
745 		offset = val - scan;
746 	*(scan+1) = ((unsigned int)offset>>8)&0377;
747 	*(scan+2) = offset&0377;
901 	char *scan;	/* Current node. */
904 	scan = prog;
906 	if (scan != NULL && regnarrate)
907 		fprintf(stderr, "%s(\n", regprop(scan));
909 	while (scan != NULL) {
912 			fprintf(stderr, "%s...\n", regprop(scan));
914 		next = regnext(scan);
916 		switch (OP(scan)) {
950 				opnd = OPERAND(scan);
962  			if (*reginput == '\0' || strchr(OPERAND(scan), *reginput) == NULL)
967  			if (*reginput == '\0' || strchr(OPERAND(scan), *reginput) != NULL)
987 				no = OP(scan) - OPEN;
1014 				no = OP(scan) - CLOSE;
1033 					next = OPERAND(scan);	/* Avoid recursion. */
1037 						if (regmatch(OPERAND(scan)))
1040 						scan = regnext(scan);
1041 					} while (scan != NULL && OP(scan) == BRANCH);
1061 				min = (OP(scan) == STAR) ? 0 : 1;
1063 				no = regrepeat(OPERAND(scan));
1082 		scan = next;
1101 	char *scan;
1104 	scan = reginput;
1108 		count = strlen(scan);
1109 		scan += count;
1112 		while (*opnd == *scan) {
1114 			scan++;
1118 		while (*scan != '\0' && strchr(opnd, *scan) != NULL) {
1120 			scan++;
1124 		while (*scan != '\0' && strchr(opnd, *scan) == NULL) {
1126 			scan++;
1134 	reginput = scan;