Index: uspace/lib/posix/sys/stat.c =================================================================== --- uspace/lib/posix/sys/stat.c (revision 0e23f4387ed09bd2c67b0cfc775c6d52b937ff91) +++ uspace/lib/posix/sys/stat.c (revision 0e23f4387ed09bd2c67b0cfc775c6d52b937ff91) @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2011 Jiri Zarevucky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define LIBPOSIX_INTERNAL + +#include "stat.h" +#include + +/* Convert HelenOS stat struct into POSIX stat struct (if possible) + */ +static void stat_to_posix (struct posix_stat *dest, struct stat *src) +{ + memset(dest, 0, sizeof(struct posix_stat)); + + dest->st_dev = src->device; + + /* HelenOS doesn't support permissions, so we set them all */ + dest->st_mode = S_IRWXU | S_IRWXG | S_IRWXO; + if (src->is_file) + dest->st_mode |= S_IFREG; + if (src->is_directory) + dest->st_mode |= S_IFDIR; + + dest->st_nlink = src->lnkcnt; + dest->st_size = src->size; +} + +int posix_fstat(int fd, struct posix_stat *st) +{ + struct stat hst; + if (fstat(fd, &hst) == -1) { + // TODO: propagate a POSIX compatible errno + return -1; + } + stat_to_posix(st, &hst); + return 0; +} + +int posix_stat(const char *path, struct posix_stat *st) +{ + struct stat hst; + if (stat(path, &hst) == -1) { + // TODO: propagate a POSIX compatible errno + return -1; + } + stat_to_posix(st, &hst); + return 0; +} + Index: uspace/lib/posix/sys/stat.h =================================================================== --- uspace/lib/posix/sys/stat.h (revision 0e23f4387ed09bd2c67b0cfc775c6d52b937ff91) +++ uspace/lib/posix/sys/stat.h (revision 0e23f4387ed09bd2c67b0cfc775c6d52b937ff91) @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2011 Jiri Zarevucky + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef POSIX_SYS_STAT_H_ +#define POSIX_SYS_STAT_H_ + +#include "../libc/sys/stat.h" +#include "time.h" + +/* values are the same as on Linux */ +#define S_IFMT 0170000 /* all file types */ +#define S_IFSOCK 0140000 /* socket */ +#define S_IFLNK 0120000 /* symbolic link */ +#define S_IFREG 0100000 /* regular file */ +#define S_IFBLK 0060000 /* block device */ +#define S_IFDIR 0040000 /* directory */ +#define S_IFCHR 0020000 /* character device */ +#define S_IFIFO 0010000 /* FIFO */ + +#define S_ISUID 0004000 /* SUID */ +#define S_ISGID 0002000 /* SGID */ +#define S_ISVTX 0001000 /* sticky */ + +#define S_IRWXU 00700 /* owner permissions */ +#define S_IRUSR 00400 +#define S_IWUSR 00200 +#define S_IXUSR 00100 + +#define S_IRWXG 00070 /* group permissions */ +#define S_IRGRP 00040 +#define S_IWGRP 00020 +#define S_IXGRP 00010 + +#define S_IRWXO 00007 /* other permissions */ +#define S_IROTH 00004 +#define S_IWOTH 00002 +#define S_IXOTH 00001 + +#define S_ISREG(m) ((m & S_IFREG) != 0) +#define S_ISDIR(m) ((m & S_IFDIR) != 0) +#define S_ISCHR(m) ((m & S_IFCHR) != 0) +#define S_ISBLK(m) ((m & S_IFBLK) != 0) +#define S_ISFIFO(m) ((m & S_IFIFO) != 0) +#define S_ISLNK(m) ((m & S_IFLNK) != 0) /* symbolic link? (Not in POSIX.1-1996.) */ +#define S_ISSOCK(m) ((m & S_IFSOCK) != 0) /* socket? (Not in POSIX.1-1996.) */ + +typedef devmap_handle_t dev_t; +typedef unsigned int ino_t; +typedef unsigned int nlink_t; +typedef unsigned int uid_t; +typedef unsigned int gid_t; +typedef aoff64_t off_t; +typedef unsigned int blksize_t; +typedef unsigned int blkcnt_t; + +struct posix_stat { + struct stat sys_stat; + + dev_t st_dev; /* ID of device containing file */ + ino_t st_ino; /* inode number */ + mode_t st_mode; /* protection */ + nlink_t st_nlink; /* number of hard links */ + uid_t st_uid; /* user ID of owner */ + gid_t st_gid; /* group ID of owner */ + dev_t st_rdev; /* device ID (if special file) */ + off_t st_size; /* total size, in bytes */ + blksize_t st_blksize; /* blocksize for file system I/O */ + blkcnt_t st_blocks; /* number of 512B blocks allocated */ + time_t st_atime; /* time of last access */ + time_t st_mtime; /* time of last modification */ + time_t st_ctime; /* time of last status change */ +}; + +extern int posix_fstat(int, struct posix_stat *); +extern int posix_stat(const char *, struct posix_stat *); + +#ifndef LIBPOSIX_INTERNAL + #define fstat posix_fstat + #define stat posix_stat +#endif + +#endif /* POSIX_SYS_STAT_H */ +