projects / unix-history / blame
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| 4dedc488 KB |
1 | /* |
| 2 | * Copyright (c) 1989 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 6 | * provided that the above copyright notice and this paragraph are | |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 16 | * | |
| 17 | * @(#)fts.h 5.1 (Berkeley) %G% | |
| 18 | */ | |
| 19 | ||
| 20 | typedef struct fts { | |
| 21 | struct ftsent *cur; /* current node */ | |
| 22 | struct ftsent *child; /* linked list of children */ | |
| 23 | struct ftsent *savelink; /* saved link if node had a cycle */ | |
| 24 | struct ftsent **array; /* sort array */ | |
| 25 | char *path; /* path for this descent */ | |
| 26 | char *wd; /* starting directory */ | |
| 27 | int pathlen; /* sizeof(path) */ | |
| 28 | int nitems; /* elements in the sort array */ | |
| 29 | int (*compar)(); /* compare function */ | |
| 30 | #define FTS__STOP 0x001 /* private: unrecoverable error */ | |
| 31 | #define FTS_LOGICAL 0x002 /* user: use stat(2) */ | |
| 32 | #define FTS_MULTIPLE 0x004 /* user: multiple args */ | |
| 33 | #define FTS_NOCHDIR 0x008 /* user: don't use chdir(2) */ | |
| 34 | #define FTS_NOSTAT 0x010 /* user: don't require stat info */ | |
| 35 | #define FTS_PHYSICAL 0x020 /* user: use lstat(2) */ | |
| 36 | #define FTS_SEEDOT 0x040 /* user: return dot and dot-dot */ | |
| 37 | int options; /* openfts() options */ | |
| 38 | } FTS; | |
| 39 | ||
| 40 | typedef struct ftsent { | |
| 41 | struct ftsent *parent; /* parent directory */ | |
| 42 | struct ftsent *link; /* next/cycle node */ | |
| 43 | union { | |
| 44 | long number; /* local numeric value */ | |
| 45 | void *pointer; /* local address value */ | |
| 46 | } local; | |
| 47 | char *accpath; /* path from current directory */ | |
| 48 | char *path; /* path from starting directory */ | |
| 49 | short pathlen; /* strlen(path) */ | |
| 50 | short namelen; /* strlen(name) */ | |
| 51 | short level; /* depth (-1 to N) */ | |
| 52 | #define FTS_D 1 /* preorder directory */ | |
| 53 | #define FTS_DC 2 /* directory that causes cycles */ | |
| 54 | #define FTS_DNR 3 /* unreadable directory */ | |
| 55 | #define FTS_DNX 4 /* unsearchable directory */ | |
| 56 | #define FTS_DP 5 /* postorder directory */ | |
| 57 | #define FTS_ERR 6 /* error; errno is set */ | |
| 58 | #define FTS_F 7 /* regular file */ | |
| 59 | #define FTS_NS 8 /* no stat(2) information */ | |
| 60 | #define FTS_SL 9 /* symbolic link */ | |
| 61 | #define FTS_SLNONE 10 /* symbolic link without target */ | |
| 62 | #define FTS_DEFAULT 11 /* none of the above */ | |
| 63 | u_short info; /* file information */ | |
| 64 | #define FTS_AGAIN 1 /* user: read node again */ | |
| 65 | #define FTS_SKIP 2 /* user: discard node */ | |
| 66 | #define FTS_FOLLOW 3 /* user: follow symbolic link */ | |
| 67 | short instr; /* setfts() instructions */ | |
| 68 | struct stat statb; /* stat(2) information */ | |
| 69 | char name[1]; /* file name */ | |
| 70 | } FTSENT; | |
| 71 | ||
| 72 | FTS *ftsopen(); | |
| 73 | FTSENT *ftschildren(), *ftsread(); | |
| 74 | int ftsclose(), ftsset(); |