1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 23*0Sstevel@tonic-gate 24*0Sstevel@tonic-gate /* 25*0Sstevel@tonic-gate * Filesystem-independent directory information. 26*0Sstevel@tonic-gate * Directory entry structures are of variable length. 27*0Sstevel@tonic-gate * Each directory entry is a struct direct containing its file number, the 28*0Sstevel@tonic-gate * offset of the next entry (a cookie interpretable only the filesystem 29*0Sstevel@tonic-gate * type that generated it), the length of the entry, and the length of the 30*0Sstevel@tonic-gate * name contained in the entry. These are followed by the name. The 31*0Sstevel@tonic-gate * entire entry is padded with null bytes to a 4 byte boundary. All names 32*0Sstevel@tonic-gate * are guaranteed null terminated. The maximum length of a name in a 33*0Sstevel@tonic-gate * directory is MAXNAMLEN, plus a null byte. 34*0Sstevel@tonic-gate * Note: this file is present only for backwards compatibility. It is superseded 35*0Sstevel@tonic-gate * by the files /usr/include/dirent.h and /usr/include/sys/dirent.h. It will 36*0Sstevel@tonic-gate * disappear in a future major release. 37*0Sstevel@tonic-gate */ 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #ifndef _sys_dir_h 40*0Sstevel@tonic-gate #define _sys_dir_h 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #define MAXNAMLEN 255 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate struct direct { 45*0Sstevel@tonic-gate off_t d_off; /* offset of next disk directory entry */ 46*0Sstevel@tonic-gate u_long d_fileno; /* file number of entry */ 47*0Sstevel@tonic-gate u_short d_reclen; /* length of this record */ 48*0Sstevel@tonic-gate u_short d_namlen; /* length of string in d_name */ 49*0Sstevel@tonic-gate char d_name[MAXNAMLEN + 1]; /* name (up to MAXNAMLEN + 1) */ 50*0Sstevel@tonic-gate }; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate /* 53*0Sstevel@tonic-gate * The macro DIRSIZ(dp) gives the minimum amount of space required to represent 54*0Sstevel@tonic-gate * a directory entry. For any directory entry dp->d_reclen >= DIRSIZ(dp). 55*0Sstevel@tonic-gate * Specific filesystem typesm may use this macro to construct the value 56*0Sstevel@tonic-gate * for d_reclen. 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate #undef DIRSIZ 59*0Sstevel@tonic-gate #define DIRSIZ(dp) \ 60*0Sstevel@tonic-gate (((sizeof (struct direct) - (MAXNAMLEN+1) + ((dp)->d_namlen+1)) + 3) & ~3) 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate #ifndef KERNEL 63*0Sstevel@tonic-gate #define d_ino d_fileno /* compatability */ 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate /* 67*0Sstevel@tonic-gate * Definitions for library routines operating on directories. 68*0Sstevel@tonic-gate */ 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate typedef struct _dirdesc { 71*0Sstevel@tonic-gate int dd_fd; /* file descriptor */ 72*0Sstevel@tonic-gate long dd_loc; /* buf offset of entry from last readddir() */ 73*0Sstevel@tonic-gate long dd_size; /* amount of valid data in buffer */ 74*0Sstevel@tonic-gate long dd_bsize; /* amount of entries read at a time */ 75*0Sstevel@tonic-gate long dd_off; /* Current offset in dir (for telldir) */ 76*0Sstevel@tonic-gate char *dd_buf; /* directory data buffer */ 77*0Sstevel@tonic-gate } DIR; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #ifndef NULL 80*0Sstevel@tonic-gate #define NULL 0 81*0Sstevel@tonic-gate #endif 82*0Sstevel@tonic-gate extern DIR *opendir(); 83*0Sstevel@tonic-gate extern struct direct *readdir(); 84*0Sstevel@tonic-gate extern long telldir(); 85*0Sstevel@tonic-gate extern void seekdir(); 86*0Sstevel@tonic-gate #define rewinddir(dirp) seekdir((dirp), (long)0) 87*0Sstevel@tonic-gate extern int closedir(); 88*0Sstevel@tonic-gate #endif 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate #endif /*!_sys_dir_h*/ 91