1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)fts.h 5.9 (Berkeley) 11/15/90 8 */ 9 10 typedef struct { 11 struct _ftsent *fts_cur; /* current node */ 12 struct _ftsent *fts_child; /* linked list of children */ 13 struct _ftsent *fts_savelink; /* saved link if node had a cycle */ 14 struct _ftsent **fts_array; /* sort array */ 15 dev_t sdev; /* starting device # */ 16 char *fts_path; /* path for this descent */ 17 int fts_sd; /* fd for root */ 18 int fts_pathlen; /* sizeof(path) */ 19 int fts_nitems; /* elements in the sort array */ 20 int (*fts_compar)(); /* compare function */ 21 #define FTS__STOP 0x001 /* private: unrecoverable error */ 22 #define FTS_LOGICAL 0x002 /* user: use stat(2) */ 23 #define FTS_NOCHDIR 0x004 /* user: don't use chdir(2) */ 24 #define FTS_NOSTAT 0x008 /* user: don't require stat info */ 25 #define FTS_PHYSICAL 0x010 /* user: use lstat(2) */ 26 #define FTS_SEEDOT 0x020 /* user: return dot and dot-dot */ 27 #define FTS_XDEV 0x040 /* user: don't cross devices */ 28 int fts_options; /* openfts() options */ 29 } FTS; 30 31 typedef struct _ftsent { 32 struct _ftsent *fts_parent; /* parent directory */ 33 struct _ftsent *fts_link; /* cycle or next file structure */ 34 union { 35 long number; /* local numeric value */ 36 void *pointer; /* local address value */ 37 } fts_local; 38 #define fts_number fts_local.number 39 #define fts_pointer fts_local.pointer 40 char *fts_accpath; /* access path */ 41 char *fts_path; /* root path */ 42 short fts_pathlen; /* strlen(fts_path) */ 43 short fts_namelen; /* strlen(fts_name) */ 44 short fts_level; /* depth (-1 to N) */ 45 #define FTS_D 1 /* preorder directory */ 46 #define FTS_DC 2 /* directory that causes cycles */ 47 #define FTS_DNR 3 /* unreadable directory */ 48 #define FTS_DNX 4 /* unsearchable directory */ 49 #define FTS_DP 5 /* postorder directory */ 50 #define FTS_ERR 6 /* error; errno is set */ 51 #define FTS_F 7 /* regular file */ 52 #define FTS_NS 8 /* no stat(2) information */ 53 #define FTS_SL 9 /* symbolic link */ 54 #define FTS_SLNONE 10 /* symbolic link without target */ 55 #define FTS_DEFAULT 11 /* none of the above */ 56 u_short fts_info; /* flags for FTSENT structure */ 57 #define FTS__NOINSTR 0 /* private: no instructions */ 58 #define FTS_AGAIN 1 /* user: read node again */ 59 #define FTS_SKIP 2 /* user: discard node */ 60 #define FTS_FOLLOW 3 /* user: follow symbolic link */ 61 short fts_instr; /* private: fts_set() instructions */ 62 struct stat fts_statb; /* stat(2) information */ 63 char fts_name[1]; /* file name */ 64 } FTSENT; 65 66 #if __STDC__ || c_plusplus 67 extern FTS *fts_open(const char **, int, int (*)(const FTSENT *, const FTSENT *)); 68 extern FTSENT *fts_read(FTS *); 69 extern FTSENT *fts_children(FTS *); 70 extern int fts_set(FTS *, FTSENT *, int); 71 extern int fts_close(FTS *); 72 #else 73 extern FTS *fts_open(); 74 extern FTSENT *fts_children(), *fts_read(); 75 extern int fts_close(), fts_set(); 76 #endif 77