FreeCalypso > hg > freecalypso-sw

annotate target-utils/libmpffs/basicfind.c @ 217:30a173257f4a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gsm-fw/services/ffs: ffs_target.c generation and compilation
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 06 Jan 2014 08:07:36 +0000
parents ac310ee73788
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
101
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 #include <sys/types.h>
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 #include "types.h"
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 #include "struct.h"
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 #include "globals.h"
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 #include "macros.h"
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 extern char *index();
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 static
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 find_named_child(start, seekname)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 char *seekname;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 int ino;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 struct inode *irec;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 for (ino = start; ino != 0xFFFF; ino = irec->sibling) {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 irec = mpffs_active_index + ino;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 if (!irec->type)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 continue;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 if (!strcmp(inode_to_dataptr(irec), seekname))
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 return(ino);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 }
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 return(0);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 }
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 mpffs_pathname_to_inode(pathname)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 char *pathname;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 int ino, stat;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 struct inode *irec;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 char *cur, *next;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 stat = mpffs_init();
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 if (stat < 0)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 return(stat);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 cur = pathname;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 if (*cur == '/')
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 cur++;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 for (ino = mpffs_root_ino; cur; cur = next) {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 if (!*cur)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41 break;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
42 next = index(cur, '/');
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
43 if (next == cur) {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
44 printf("malformed pathname: multiple adjacent slashes\n");
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
45 return(-1);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
46 }
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
47 if (next)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48 *next++ = '\0';
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
49 irec = mpffs_active_index + ino;
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
50 if (irec->type != OBJTYPE_DIR) {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
51 printf("Error: non-terminal non-directory\n");
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
52 if (next)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
53 next[-1] = '/';
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
54 return(-1);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
55 }
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
56 ino = find_named_child(irec->descend, cur);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
57 if (next)
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
58 next[-1] = '/';
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
59 if (!ino) {
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
60 printf("Error: pathname component not found\n");
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
61 return(-1);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
62 }
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
63 }
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
64 return(ino);
7029fe8ae0bc pirexplore: FFS find command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
65 }