int gfs_hook_syscall_xstat64 (int vers, const char *name, struct stat64 *buf) { #ifdef NEEDS_XSTAT64_CONV int result; # if defined SYS_stat64 static int no_stat64 = 0; if (! no_stat64) { int saved_errno = errno; result = syscall (SYS_stat64, name, buf); if (result != -1 || errno != ENOSYS) { # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 if (result != -1 && buf->__st_ino != (__ino_t) buf->st_ino) buf->st_ino = buf->__st_ino; # endif return result; } errno = saved_errno; no_stat64 = 1; } # endif { struct kernel_stat kbuf; result = syscall (SYS_stat, name, &kbuf); if (result == 0) result = xstat64_conv (vers, &kbuf, buf); } return result; #else /* NEEDS_XSTAT64_CONV */ return syscall (SYS_stat, name, buf); #endif }
int ___lxstat64 (int vers, const char *name, struct stat64 *buf) { int result; #ifdef __ASSUME_STAT64_SYSCALL result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (buf)); # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino) buf->st_ino = buf->__st_ino; # endif return result; #else struct kernel_stat kbuf; # ifdef __NR_lstat64 if (! __have_no_stat64) { int saved_errno = errno; result = INLINE_SYSCALL (lstat64, 2, CHECK_STRING (name), CHECK_1 (buf)); if (result != -1 || errno != ENOSYS) { # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 if (!result && buf->__st_ino != (__ino_t) buf->st_ino) buf->st_ino = buf->__st_ino; # endif return result; } __set_errno (saved_errno); __have_no_stat64 = 1; } # endif result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf)); if (result == 0) result = xstat64_conv (vers, &kbuf, buf); return result; #endif }
int __lxstat (int vers, const char *file, struct stat *buf) { struct stat64 buf64; return __lxstat64 (vers, file, &buf64) ?: xstat64_conv (buf, &buf64); }
/* Get information about the file descriptor FD in BUF. */ int __fxstat (int vers, int fd, struct stat *buf) { struct stat64 buf64; return __fxstat64 (vers, fd, &buf64) ?: xstat64_conv (buf, &buf64); }