3 /*-
101  * virtual database. 0 is returned on success, -1 on failure.
119 	return (-1);  in cgetset()
165 	 * Skip past the current capability field - it's either the  in cgetcap()
203  * -1 if the requested record couldn't be found, -2 if a system error was
204  * encountered (couldn't open/read a file, etc.), and -3 if a potential
212     return (getent(buf, &dummy, db_array, -1, name, 0, NULL));  in cgetent()
216  * Getent implements the functions of cgetent.  If fd is non-negative,
247 	return (-3);  in getent()
256 	    return (-2);  in getent()
269 	return (-2);  in getent()
301 		    (void)capdbp->close(capdbp);  in getent()
308 		    return (-2);  in getent()
310 		if (capdbp->close(capdbp) < 0) {  in getent()
312 		    return (-2);  in getent()
366 				return (-2);  in getent()
368 				fd = -1;  in getent()
381 			    rp--;  in getent()
421 			pos = rp - record;  in getent()
422 			newsize = r_end - record + BFRAG;  in getent()
428 			    return (-2);  in getent()
468 	return (-1);  in getent()
504 			*(s - 1) = '\0';  in getent()
507 	    tcstart = tc - 3;  in getent()
508 	    tclen = s - tcstart;  in getent()
517 		if (iret < -1) {  in getent()
526 		if (iret == -1) {  in getent()
527 		    *(s - 1) = ':';  in getent()
528 		    scan = s - 1;  in getent()
542 	    newilen -= s - newicap;  in getent()
545 	    /* make sure interpolated record is `:'-terminated */  in getent()
547 	    if (*(s-1) != ':') {  in getent()
556 	    diff = newilen - tclen;  in getent()
557 	    if (diff >= r_end - rp) {  in getent()
561 		pos = rp - record;  in getent()
562 		newsize = r_end - record + diff + BFRAG;  in getent()
563 		tcpos = tcstart - record;  in getent()
564 		tcposend = tcend - record;  in getent()
571 		    return (-2);  in getent()
583 	    memmove(s, tcend,  (size_t)(rp - tcend));  in getent()
592 	    scan = s-1;  in getent()
602     *len = rp - record - 1;	/* don't count NUL */  in getent()
605 	     realloc(record, (size_t)(rp - record))) == NULL) {  in getent()
607 	    return (-2);  in getent()
629 		switch(capdbp->get(capdbp, &key, &data, 0)) {  in cdbget()
630 		case -1:  in cdbget()
631 			return (-2);  in cdbget()
633 			return (-1);  in cdbget()
641 		key.size = data.size - 1;  in cdbget()
651  * record buf, -1 if not.
680 	bp--;	/* a '|' or ':' may have stopped the match */  in cgetmatch()
683 		return (-1);	/* match failed totally */  in cgetmatch()
720  * upon returning an entry with more remaining, and -1 if an error occurs.
735 	return (-1);
746 		    return (-1);
756 			return (-1);
761 		line[len - 1] = '\0';
768 		if (line[len - 2] == '\\')
774 	    if (line[len - 2] == '\\')
805 			return (-1);
812 		    line[len - 1] = '\0';
831 	status = getent(bp, &dummy, db_array, -1, buf, 0, NULL);
832 	if (status == -2 || status == -3)
846  * NUL is returned on success, -1 if the requested string capability
847  * couldn't be found, -2 if a system error was encountered (storage
857     char *mem, *nmem;  in cgetstr()  local
866 	return (-1);  in cgetstr()
872     if ((mem = malloc(SFRAG)) == NULL) {  in cgetstr()
874 	return (-2);	/* couldn't even allocate the first fragment */  in cgetstr()
877     mp = mem;  in cgetstr()
882 	 *	There is always room for one more character in mem.  in cgetstr()
883 	 *	Mp always points just past last character in mem.  in cgetstr()
901 		    n = n * 8 + (*bp++ - '0');  in cgetstr()
902 		} while (--i && '0' <= *bp && *bp <= '7');  in cgetstr()
932 		*mp++ = *(bp-1);  in cgetstr()
937 	m_room--;  in cgetstr()
944 	    size_t size = mp - mem;  in cgetstr()
946 	    if ((nmem = realloc(mem, size + SFRAG)) == NULL) {  in cgetstr()
947 		free(mem);  in cgetstr()
948 		return (-2);  in cgetstr()
950 	    mem = nmem;  in cgetstr()
952 	    mp = mem + size;  in cgetstr()
956     m_room--;  in cgetstr()
957     len = mp - mem - 1;  in cgetstr()
963 	if ((nmem = realloc(mem, (size_t)(mp - mem))) == NULL) {  in cgetstr()
964 	    free(mem);  in cgetstr()
965 	    return (-2);  in cgetstr()
967 	mem = nmem;  in cgetstr()
969     *str = mem;  in cgetstr()
980  * -1 if the requested string capability couldn't be found, -2 if a system
990     char *mem;  in cgetustr()  local
996 	return (-1);  in cgetustr()
1002     if ((mem = malloc(SFRAG)) == NULL) {  in cgetustr()
1004 	return (-2);	/* couldn't even allocate the first fragment */  in cgetustr()
1007     mp = mem;  in cgetustr()
1012 	 *	There is always room for one more character in mem.  in cgetustr()
1013 	 *	Mp always points just past last character in mem.  in cgetustr()
1017 	m_room--;  in cgetustr()
1024 	    size_t size = mp - mem;  in cgetustr()
1026 	    if ((mem = realloc(mem, size + SFRAG)) == NULL)  in cgetustr()
1027 		return (-2);  in cgetustr()
1029 	    mp = mem + size;  in cgetustr()
1033     m_room--;  in cgetustr()
1034     len = mp - mem - 1;  in cgetustr()
1040 	if ((mem = realloc(mem, (size_t)(mp - mem))) == NULL)  in cgetustr()
1041 	    return (-2);  in cgetustr()
1042     *str = mem;  in cgetustr()
1049  * the long pointed to by num.  0 is returned on success, -1 if the requested
1056     int base, digit;  in cgetnum()  local
1064 	return (-1);  in cgetnum()
1067      * Look at value and determine numeric base:  in cgetnum()
1076 	    base = 16;  in cgetnum()
1078 	    base = 8;  in cgetnum()
1080 	base = 10;  in cgetnum()
1088 	    digit = *bp - '0';  in cgetnum()
1090 	    digit = 10 + *bp - 'a';  in cgetnum()
1092 	    digit = 10 + *bp - 'A';  in cgetnum()
1096 	if (digit >= base)  in cgetnum()
1099 	n = n * base + digit;  in cgetnum()