From cb5934396ec3404ad5a232e9784944a59c2bbfc0 Mon Sep 17 00:00:00 2001 From: "Albert ARIBAUD (3ADEV)" Date: Fri, 8 Sep 2017 00:41:44 +0200 Subject: Y2038: add function __lutimes64 --- sysdeps/unix/sysv/linux/lutimes.c | 58 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/lutimes.c b/sysdeps/unix/sysv/linux/lutimes.c index 4f2f9ec7d6..e76b9dd7a6 100644 --- a/sysdeps/unix/sysv/linux/lutimes.c +++ b/sysdeps/unix/sysv/linux/lutimes.c @@ -22,6 +22,7 @@ #include #include #include +#include int @@ -42,3 +43,60 @@ lutimes (const char *file, const struct timeval tvp[2]) return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tvp ? ts : NULL, AT_SYMLINK_NOFOLLOW); } + +/* 64-bit time version */ + +int +__lutimes64 (const char *file, const struct __timeval64 tvp[2]) +{ + struct timespec ts32[2], *ts32p = NULL;; +/* Only try and use this syscall if defined by kernel */ +#ifdef __NR_utimensat_time64 + /* The system call expects timespec, not timeval. */ + struct __timespec64 ts64[2], *ts64p = NULL; + int result; +#endif + +/* Only try and use this syscall if defined by kernel */ +#ifdef __NR_utimensat_time64 + if (__y2038_linux_support > 0) + { + if (tvp != NULL) + { + if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000 + || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000) + return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); + + ts64[0].tv_sec = tvp[0].tv_sec; + ts64[0].tv_nsec = tvp[0].tv_usec * 1000; + ts64[0].tv_pad = 0; + ts64[1].tv_sec = tvp[1].tv_sec; + ts64[1].tv_nsec = tvp[1].tv_usec * 1000; + ts64[1].tv_pad = 0; + ts64p = ts64; + } + + result = INLINE_SYSCALL (utimensat_time64, 4, AT_FDCWD, file, ts64p, + AT_SYMLINK_NOFOLLOW); + if (result == 0 || errno == ENOSYS) + return result; + __y2038_linux_support = -1; + } +#endif + + if (tvp != NULL) + { + if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000 + || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000) + return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); + + ts32[0].tv_sec = tvp[0].tv_sec; + ts32[0].tv_nsec = tvp[0].tv_usec * 1000; + ts32[1].tv_sec = tvp[1].tv_sec; + ts32[1].tv_nsec = tvp[1].tv_usec * 1000; + ts32p = ts32; + } + + return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, ts32p, + AT_SYMLINK_NOFOLLOW); +} -- cgit v1.2.1