FreeCalypso > hg > freecalypso-reveng

comparison pirollback/pathname.c @ 45:18472a2ccf55

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
pirollback: pathname reconstruction implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 06 Jul 2013 22:06:38 +0000
parents
children
comparison
equal deleted inserted replaced
44:074237879eca 45:18472a2ccf55
1 #include <sys/types.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include <strings.h>
6 #include "types.h"
7 #include "struct.h"
8 #include "pathname.h"
9
10 extern struct inode_info inode[];
11
12 pathname_of_inode(ino, pnbuf)
13 char *pnbuf;
14 {
15 int level, revpath[MAX_DIR_NEST];
16 struct inode_info *inf;
17 char *op;
18
19 for (level = 0; ino != 1; ino = inode[ino].parent) {
20 if (!inode[ino].parent)
21 return(-1);
22 if (level >= MAX_DIR_NEST)
23 return(-1);
24 revpath[level++] = ino;
25 }
26 op = pnbuf;
27 *op++ = '/';
28 while (level) {
29 level--;
30 inf = inode + revpath[level];
31 switch (inf->type) {
32 case 0xE1:
33 case 0xF1:
34 /* good only for the last component */
35 if (!level)
36 break;
37 else
38 return(-1);
39 case 0xF2:
40 /* good for all components */
41 break;
42 default:
43 /* bad */
44 return(-1);
45 }
46 strcpy(op, inf->dataptr);
47 op += strlen(inf->dataptr);
48 if (inf->type == 0xF2)
49 *op++ = '/';
50 }
51 *op = '\0';
52 return(0);
53 }