FreeCalypso > hg > freecalypso-sw
annotate target-utils/libtiffs/basicfind.c @ 224:2900fe603f8a
beginning of MPFFS->TIFFS naming convention change
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 12 Jan 2014 07:59:00 +0000 |
parents | target-utils/libmpffs/basicfind.c@ac310ee73788 |
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1 #include <sys/types.h> |
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2 #include "types.h" |
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3 #include "struct.h" |
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4 #include "globals.h" |
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5 #include "macros.h" |
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6 |
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7 extern char *index(); |
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8 |
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9 static |
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10 find_named_child(start, seekname) |
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11 char *seekname; |
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12 { |
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13 int ino; |
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14 struct inode *irec; |
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15 |
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16 for (ino = start; ino != 0xFFFF; ino = irec->sibling) { |
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17 irec = mpffs_active_index + ino; |
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18 if (!irec->type) |
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19 continue; |
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20 if (!strcmp(inode_to_dataptr(irec), seekname)) |
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21 return(ino); |
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22 } |
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23 return(0); |
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24 } |
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25 |
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26 mpffs_pathname_to_inode(pathname) |
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27 char *pathname; |
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28 { |
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29 int ino, stat; |
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30 struct inode *irec; |
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31 char *cur, *next; |
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32 |
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33 stat = mpffs_init(); |
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34 if (stat < 0) |
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35 return(stat); |
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36 cur = pathname; |
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37 if (*cur == '/') |
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38 cur++; |
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39 for (ino = mpffs_root_ino; cur; cur = next) { |
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40 if (!*cur) |
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41 break; |
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42 next = index(cur, '/'); |
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43 if (next == cur) { |
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44 printf("malformed pathname: multiple adjacent slashes\n"); |
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45 return(-1); |
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46 } |
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47 if (next) |
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48 *next++ = '\0'; |
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49 irec = mpffs_active_index + ino; |
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50 if (irec->type != OBJTYPE_DIR) { |
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51 printf("Error: non-terminal non-directory\n"); |
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52 if (next) |
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53 next[-1] = '/'; |
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54 return(-1); |
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55 } |
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56 ino = find_named_child(irec->descend, cur); |
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57 if (next) |
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58 next[-1] = '/'; |
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59 if (!ino) { |
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60 printf("Error: pathname component not found\n"); |
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61 return(-1); |
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62 } |
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63 } |
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64 return(ino); |
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65 } |