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comparison ffstools/tiffs-rd/object.c @ 233:ae9ff2d1e3da

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tiffs IVA: basic ls integrated
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 26 Jan 2014 10:54:42 +0000
parents
children 024042383a26
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232:73372cfdaf7f 233:ae9ff2d1e3da
1 /*
2 * This C module implements object-level analysis.
3 */
4
5 #include <ctype.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <strings.h>
10 #include "types.h"
11 #include "struct.h"
12 #include "globals.h"
13 #include "pathname.h"
14
15 validate_obj_name(ino, root_special)
16 {
17 struct inode_info *inf = inode_info[ino];
18 u8 *p, *endp;
19 int c;
20
21 if (!inf->len)
22 return(0);
23 p = inf->dataptr;
24 endp = p + inf->len;
25 for (; ; p++) {
26 if (p >= endp)
27 return(0);
28 c = *p;
29 if (!c)
30 break;
31 if (c < ' ' || c > '~')
32 return(0);
33 if (root_special || isalnum(c))
34 continue;
35 switch (c) {
36 case '.':
37 case ',':
38 case '_':
39 case '-':
40 case '+':
41 case '%':
42 case '$':
43 case '#':
44 continue;
45 default:
46 return(0);
47 }
48 }
49 if (!root_special) {
50 c = p - inf->dataptr;
51 if (c < 1 || c > MAX_FN_COMPONENT)
52 return(0);
53 if (!strcmp(inf->dataptr, ".") || !strcmp(inf->dataptr, ".."))
54 return(0);
55 }
56 inf->byte_after_name = p + 1;
57 return(1);
58 }