/* Get information about the file NAME in BUF. */ int gfs_hook_syscall_xstat (int vers, const char *name, struct stat *buf) { struct kernel_stat kbuf; int result; if (vers == _STAT_VER_KERNEL) return syscall (SYS_stat, name, (struct kernel_stat *) buf); result = syscall (SYS_stat, name, &kbuf); if (result == 0) result = xstat_conv (vers, &kbuf, buf); return result; }
/* Get information about the file FD in BUF. */ int gfs_hook_syscall_fxstat (int vers, int fd, struct stat *buf) { struct kernel_stat kbuf; int result; if (vers == _STAT_VER_KERNEL) return syscall (SYS_fstat, fd, (struct kernel_stat *) buf); result = syscall (SYS_fstat, fd, &kbuf); if (result == 0) result = xstat_conv (vers, &kbuf, buf); return result; }
/* Get information about the file FD in BUF. */ int __fxstat (int vers, int fd, struct stat *buf) { struct kernel_stat kbuf; int result; if (vers == _STAT_VER_KERNEL) return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 ((struct kernel_stat *) buf)); result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf)); if (result == 0) result = xstat_conv (vers, &kbuf, buf); return result; }
int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf) { #ifdef XSTAT_IS_XSTAT64 return xstat_conv (vers, kbuf, ubuf); #else switch (vers) { case _STAT_VER_LINUX: { struct stat64 *buf = ubuf; buf->st_dev = kbuf->st_dev; buf->st_pad1[0] = 0; buf->st_pad1[1] = 0; buf->st_pad1[2] = 0; buf->st_ino = kbuf->st_ino; buf->st_mode = kbuf->st_mode; buf->st_nlink = kbuf->st_nlink; buf->st_uid = kbuf->st_uid; buf->st_gid = kbuf->st_gid; buf->st_rdev = kbuf->st_rdev; buf->st_pad2[0] = 0; buf->st_pad2[1] = 0; buf->st_pad2[2] = 0; buf->st_pad3 = 0; buf->st_size = kbuf->st_size; buf->st_blksize = kbuf->st_blksize; buf->st_blocks = kbuf->st_blocks; buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0; buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0; buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0; buf->st_pad4[0] = 0; buf->st_pad4[1] = 0; buf->st_pad4[2] = 0; buf->st_pad4[3] = 0; buf->st_pad4[4] = 0; buf->st_pad4[5] = 0; buf->st_pad4[6] = 0; buf->st_pad4[7] = 0; } break; /* If struct stat64 is different from struct stat then _STAT_VER_KERNEL does not make sense. */ case _STAT_VER_KERNEL: default: __set_errno (EINVAL); return -1; } return 0; #endif }
int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf) { #ifdef XSTAT_IS_XSTAT64 return xstat_conv (vers, kbuf, ubuf); #else switch (vers) { case _STAT_VER_LINUX: { struct stat64 *buf = ubuf; buf->st_dev = kbuf->st_dev; memset (&buf->st_pad1, 0, sizeof (buf->st_pad1)); buf->st_ino = kbuf->st_ino; buf->st_mode = kbuf->st_mode; buf->st_nlink = kbuf->st_nlink; buf->st_uid = kbuf->st_uid; buf->st_gid = kbuf->st_gid; buf->st_rdev = kbuf->st_rdev; memset (&buf->st_pad2, 0, sizeof (buf->st_pad2)); buf->st_pad3 = 0; buf->st_size = kbuf->st_size; buf->st_blksize = kbuf->st_blksize; buf->st_blocks = kbuf->st_blocks; buf->st_atim.tv_sec = kbuf->st_atime_sec; buf->st_atim.tv_nsec = kbuf->st_atime_nsec; buf->st_mtim.tv_sec = kbuf->st_mtime_sec; buf->st_mtim.tv_nsec = kbuf->st_mtime_nsec; buf->st_ctim.tv_sec = kbuf->st_ctime_sec; buf->st_ctim.tv_nsec = kbuf->st_ctime_nsec; memset (&buf->st_pad4, 0, sizeof (buf->st_pad4)); } break; /* If struct stat64 is different from struct stat then _STAT_VER_KERNEL does not make sense. */ case _STAT_VER_KERNEL: default: __set_errno (EINVAL); return -1; } return 0; #endif }
/* Get information about the file FD in BUF. */ int gfs_hook_syscall_fxstat (int vers, int fd, struct stat *buf) { #ifdef NEEDS_XSTAT_CONV struct kernel_stat kbuf; int result; if (vers == _STAT_VER_KERNEL) return syscall (SYS_fstat, fd, (struct kernel_stat *) buf); result = syscall (SYS_fstat, fd, &kbuf); if (result == 0) result = xstat_conv (vers, &kbuf, buf); return result; #else /* NEEDS_XSTAT_CONV */ return syscall (SYS_fstat, fd, buf); #endif }
static inline int xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf) { #ifdef XSTAT_IS_XSTAT64 return xstat_conv (vers, kbuf, ubuf); #else switch (vers) { case _STAT_VER_LINUX: { struct stat64 *buf = ubuf; /* Convert to current kernel version of `struct stat64'. */ buf->st_dev = kbuf->st_dev; #ifdef _HAVE_STAT64___PAD1 buf->__pad1 = 0; #endif buf->st_ino = kbuf->st_ino; #ifdef _HAVE_STAT64___ST_INO buf->__st_ino = kbuf->st_ino; #endif buf->st_mode = kbuf->st_mode; buf->st_nlink = kbuf->st_nlink; buf->st_uid = kbuf->st_uid; buf->st_gid = kbuf->st_gid; buf->st_rdev = kbuf->st_rdev; #ifdef _HAVE_STAT64___PAD2 buf->__pad2 = 0; #endif buf->st_size = kbuf->st_size; buf->st_blksize = kbuf->st_blksize; buf->st_blocks = kbuf->st_blocks; buf->st_atime = kbuf->st_atime; #ifdef _HAVE_STAT64___UNUSED1 buf->__unused1 = 0; #endif buf->st_mtime = kbuf->st_mtime; #ifdef _HAVE_STAT64___UNUSED2 buf->__unused2 = 0; #endif buf->st_ctime = kbuf->st_ctime; #ifdef _HAVE_STAT64___UNUSED3 buf->__unused3 = 0; #endif #ifdef _HAVE_STAT64___UNUSED4 buf->__unused4 = 0; #endif #ifdef _HAVE_STAT64___UNUSED5 buf->__unused5 = 0; #endif } break; /* If struct stat64 is different from struct stat then _STAT_VER_KERNEL does not make sense. */ case _STAT_VER_KERNEL: default: __set_errno (EINVAL); return -1; } return 0; #endif }