/*
 * This C module implements object-level analysis.
 */

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "types.h"
#include "struct.h"
#include "globals.h"
#include "pathname.h"

validate_obj_name(ino, root_special)
{
	struct inode_info *inf = inode_info[ino];
	u8 *p, *endp;
	int c;

	if (!inf->len)
		return(0);
	p = inf->dataptr;
	endp = p + inf->len;
	for (; ; p++) {
		if (p >= endp)
			return(0);
		c = *p;
		if (!c)
			break;
		if (c < ' ' || c > '~')
			return(0);
		if (root_special || isalnum(c))
			continue;
		switch (c) {
		case '.':
		case ',':
		case '_':
		case '-':
		case '+':
		case '%':
		case '$':
		case '#':
			continue;
		default:
			return(0);
		}
	}
	if (!root_special) {
		c = p - inf->dataptr;
		if (c < 1 || c > MAX_FN_COMPONENT)
			return(0);
		if (!strcmp(inf->dataptr, ".") || !strcmp(inf->dataptr, ".."))
			return(0);
	}
	inf->byte_after_name = p + 1;
	return(1);
}