diff options
Diffstat (limited to 'src/stat/utimensat.c')
| -rw-r--r-- | src/stat/utimensat.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/src/stat/utimensat.c b/src/stat/utimensat.c index 49d74c22..730723a9 100644 --- a/src/stat/utimensat.c +++ b/src/stat/utimensat.c @@ -4,26 +4,51 @@ #include <errno.h> #include "syscall.h" +#define IS32BIT(x) !((x)+0x80000000ULL>>32) +#define NS_SPECIAL(ns) ((ns)==UTIME_NOW || (ns)==UTIME_OMIT) + int utimensat(int fd, const char *path, const struct timespec times[2], int flags) { + int r; if (times && times[0].tv_nsec==UTIME_NOW && times[1].tv_nsec==UTIME_NOW) times = 0; - int r = __syscall(SYS_utimensat, fd, path, times, flags); +#ifdef SYS_utimensat_time64 + r = -ENOSYS; + time_t s0=0, s1=0; + long ns0=0, ns1=0; + if (times) { + ns0 = times[0].tv_nsec; + ns1 = times[1].tv_nsec; + if (!NS_SPECIAL(ns0)) s0 = times[0].tv_sec; + if (!NS_SPECIAL(ns1)) s1 = times[1].tv_sec; + } + if (SYS_utimensat == SYS_utimensat_time64 || !IS32BIT(s0) || !IS32BIT(s1)) + r = __syscall(SYS_utimensat_time64, fd, path, times ? + ((long long[]){s0, ns0, s1, ns1}) : 0, flags); + if (SYS_utimensat == SYS_utimensat_time64 || r!=-ENOSYS) + return __syscall_ret(r); + if (!IS32BIT(s0) || !IS32BIT(s1)) + return __syscall_ret(-ENOTSUP); + r = __syscall(SYS_utimensat, fd, path, + times ? ((long[]){s0, ns0, s1, ns1}) : 0, flags); +#else + r = __syscall(SYS_utimensat, fd, path, times, flags); +#endif + #ifdef SYS_futimesat if (r != -ENOSYS || flags) return __syscall_ret(r); - struct timeval *tv = 0, tmp[2]; + long *tv=0, tmp[4]; if (times) { int i; tv = tmp; for (i=0; i<2; i++) { if (times[i].tv_nsec >= 1000000000ULL) { - if (times[i].tv_nsec == UTIME_NOW - || times[i].tv_nsec == UTIME_OMIT) + if (NS_SPECIAL(times[i].tv_nsec)) return __syscall_ret(-ENOSYS); return __syscall_ret(-EINVAL); } - tmp[i].tv_sec = times[i].tv_sec; - tmp[i].tv_usec = times[i].tv_nsec / 1000; + tmp[2*i+0] = times[i].tv_sec; + tmp[2*i+1] = times[i].tv_nsec / 1000; } } |