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/*
* <sys/stat.h> wrapper functions.
*
* Authors:
* Jonathan Pryor (jonpryor@vt.edu)
*
* Copyright (C) 2004-2006 Jonathan Pryor
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif /* ndef _GNU_SOURCE */
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <errno.h>
#include "mph.h" /* Don't remove or move after map.h! Works around issues with Android SDK unified headers */
#include "map.h"
G_BEGIN_DECLS
int
Mono_Posix_FromStat (struct Mono_Posix_Stat *from, void *_to)
{
struct stat *to = _to;
memset (to, 0, sizeof(*to));
to->st_dev = from->st_dev;
to->st_ino = from->st_ino;
unsigned int to_st_mode;
if (Mono_Posix_FromFilePermissions (from->st_mode, &to_st_mode) != 0) {
return -1;
}
to->st_mode = to_st_mode;
to->st_nlink = from->st_nlink;
to->st_uid = from->st_uid;
to->st_gid = from->st_gid;
to->st_rdev = from->st_rdev;
to->st_size = from->st_size;
#ifndef HOST_WIN32
to->st_blksize = from->st_blksize;
to->st_blocks = from->st_blocks;
#endif
to->st_atime = from->st_atime_;
to->st_mtime = from->st_mtime_;
to->st_ctime = from->st_ctime_;
#if HAVE_STRUCT_STAT_ST_ATIMESPEC
to->st_atimespec.tv_sec = from->st_atime_;
to->st_atimespec.tv_nsec = from->st_atime_nsec;
to->st_mtimespec.tv_sec = from->st_mtime_;
to->st_mtimespec.tv_nsec = from->st_mtime_nsec;
to->st_ctimespec.tv_sec = from->st_ctime_;
to->st_ctimespec.tv_nsec = from->st_ctime_nsec;
#else
# ifdef HAVE_STRUCT_STAT_ST_ATIM
to->st_atim.tv_nsec = from->st_atime_nsec;
# endif
# ifdef HAVE_STRUCT_STAT_ST_MTIM
to->st_mtim.tv_nsec = from->st_mtime_nsec;
# endif
# ifdef HAVE_STRUCT_STAT_ST_CTIM
to->st_ctim.tv_nsec = from->st_ctime_nsec;
# endif
#endif
return 0;
}
int
Mono_Posix_ToStat (void *_from, struct Mono_Posix_Stat *to)
{
struct stat *from = _from;
memset (to, 0, sizeof(*to));
to->st_dev = from->st_dev;
to->st_ino = from->st_ino;
if (Mono_Posix_ToFilePermissions (from->st_mode, &to->st_mode) != 0) {
return -1;
}
to->st_nlink = from->st_nlink;
to->st_uid = from->st_uid;
to->st_gid = from->st_gid;
to->st_rdev = from->st_rdev;
to->st_size = from->st_size;
#ifndef HOST_WIN32
to->st_blksize = from->st_blksize;
to->st_blocks = from->st_blocks;
#endif
to->st_atime_ = from->st_atime;
to->st_mtime_ = from->st_mtime;
to->st_ctime_ = from->st_ctime;
#if HAVE_STRUCT_STAT_ST_ATIMESPEC
to->st_atime_nsec = from->st_atimespec.tv_nsec;
to->st_mtime_nsec = from->st_mtimespec.tv_nsec;
to->st_ctime_nsec = from->st_ctimespec.tv_nsec;
#else
# ifdef HAVE_STRUCT_STAT_ST_ATIM
to->st_atime_nsec = from->st_atim.tv_nsec;
# endif
# ifdef HAVE_STRUCT_STAT_ST_MTIM
to->st_mtime_nsec = from->st_mtim.tv_nsec;
# endif
# ifdef HAVE_STRUCT_STAT_ST_CTIM
to->st_ctime_nsec = from->st_ctim.tv_nsec;
# endif
#endif
return 0;
}
gint32
Mono_Posix_Syscall_stat (const char *file_name, struct Mono_Posix_Stat *buf)
{
int r;
struct stat _buf;
if (buf == NULL) {
errno = EFAULT;
return -1;
}
r = stat (file_name, &_buf);
if (r != -1 && Mono_Posix_ToStat (&_buf, buf) == -1)
r = -1;
return r;
}
gint32
Mono_Posix_Syscall_fstat (int filedes, struct Mono_Posix_Stat *buf)
{
int r;
struct stat _buf;
if (buf == NULL) {
errno = EFAULT;
return -1;
}
r = fstat (filedes, &_buf);
if (r != -1 && Mono_Posix_ToStat (&_buf, buf) == -1)
r = -1;
return r;
}
#ifndef HOST_WIN32
gint32
Mono_Posix_Syscall_lstat (const char *file_name, struct Mono_Posix_Stat *buf)
{
int r;
struct stat _buf;
if (buf == NULL) {
errno = EFAULT;
return -1;
}
r = lstat (file_name, &_buf);
if (r != -1 && Mono_Posix_ToStat (&_buf, buf) == -1)
r = -1;
return r;
}
#endif
#ifdef HAVE_FSTATAT
gint32
Mono_Posix_Syscall_fstatat (gint32 dirfd, const char *file_name, struct Mono_Posix_Stat *buf, gint32 flags)
{
int r;
struct stat _buf;
if (Mono_Posix_FromAtFlags (flags, &flags) == -1)
return -1;
if (buf == NULL) {
errno = EFAULT;
return -1;
}
r = fstatat (dirfd, file_name, &_buf, flags);
if (r != -1 && Mono_Posix_ToStat (&_buf, buf) == -1)
r = -1;
return r;
}
#endif
#ifndef HOST_WIN32
gint32
Mono_Posix_Syscall_mknod (const char *pathname, guint32 mode, mph_dev_t dev)
{
if (Mono_Posix_FromFilePermissions (mode, &mode) == -1)
return -1;
return mknod (pathname, mode, dev);
}
#endif
#ifdef HAVE_MKNODAT
gint32
Mono_Posix_Syscall_mknodat (int dirfd, const char *pathname, guint32 mode, mph_dev_t dev)
{
if (Mono_Posix_FromFilePermissions (mode, &mode) == -1)
return -1;
return mknodat (dirfd, pathname, mode, dev);
}
#endif
G_END_DECLS
gint64
Mono_Posix_Syscall_get_utime_now ()
{
#ifdef UTIME_NOW
return UTIME_NOW;
#else
return -1;
#endif
}
gint64
Mono_Posix_Syscall_get_utime_omit ()
{
#ifdef UTIME_OMIT
return UTIME_OMIT;
#else
return -1;
#endif
}
#if defined(HAVE_FUTIMENS) || defined(HAVE_UTIMENSAT)
static inline struct timespec*
copy_utimens (struct timespec* to, struct Mono_Posix_Timespec *from)
{
if (from) {
to[0].tv_sec = from[0].tv_sec;
to[0].tv_nsec = from[0].tv_nsec;
to[1].tv_sec = from[1].tv_sec;
to[1].tv_nsec = from[1].tv_nsec;
return to;
}
return NULL;
}
#endif
#ifdef HAVE_FUTIMENS
gint32
Mono_Posix_Syscall_futimens(int fd, struct Mono_Posix_Timespec *tv)
{
struct timespec _tv[2];
struct timespec *ptv;
ptv = copy_utimens (_tv, tv);
return futimens (fd, ptv);
}
#endif /* def HAVE_FUTIMENS */
#ifdef HAVE_UTIMENSAT
gint32
Mono_Posix_Syscall_utimensat(int dirfd, const char *pathname, struct Mono_Posix_Timespec *tv, int flags)
{
struct timespec _tv[2];
struct timespec *ptv;
ptv = copy_utimens (_tv, tv);
return utimensat (dirfd, pathname, ptv, flags);
}
#endif /* def HAVE_UTIMENSAT */
/*
* vim: noexpandtab
*/
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