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path2: Implement stat support
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‎src/libstd/path2/mod.rs

Lines changed: 221 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -650,3 +650,224 @@ pub trait GenericPathUnsafe {
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fn contains_nul(v: &[u8]) -> bool {
651651
v.iter().any(|&x| x == 0)
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}
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// FIXME (#9537): libc::stat should derive Default
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#[cfg(target_os = "linux")]
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#[cfg(target_os = "android")]
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mod stat {
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#[allow(missing_doc)];
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#[cfg(target_arch = "x86")]
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pub mod arch {
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use libc;
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pub fn default_stat() -> libc::stat {
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libc::stat {
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st_dev: 0,
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__pad1: 0,
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st_ino: 0,
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st_mode: 0,
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st_nlink: 0,
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st_uid: 0,
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st_gid: 0,
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st_rdev: 0,
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__pad2: 0,
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st_size: 0,
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st_blksize: 0,
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st_blocks: 0,
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st_atime: 0,
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st_atime_nsec: 0,
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st_mtime: 0,
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st_mtime_nsec: 0,
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st_ctime: 0,
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st_ctime_nsec: 0,
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__unused4: 0,
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__unused5: 0,
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}
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}
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}
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#[cfg(target_arch = "arm")]
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pub mod arch {
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use libc;
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pub fn default_stat() -> libc::stat {
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libc::stat {
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st_dev: 0,
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__pad0: [0, ..4],
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__st_ino: 0,
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st_mode: 0,
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st_nlink: 0,
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st_uid: 0,
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st_gid: 0,
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st_rdev: 0,
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__pad3: [0, ..4],
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st_size: 0,
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st_blksize: 0,
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st_blocks: 0,
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st_atime: 0,
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st_atime_nsec: 0,
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st_mtime: 0,
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st_mtime_nsec: 0,
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st_ctime: 0,
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st_ctime_nsec: 0,
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st_ino: 0
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}
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}
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}
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#[cfg(target_arch = "mips")]
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pub mod arch {
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use libc;
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pub fn default_stat() -> libc::stat {
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libc::stat {
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st_dev: 0,
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st_pad1: [0, ..3],
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st_ino: 0,
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st_mode: 0,
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st_nlink: 0,
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st_uid: 0,
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st_gid: 0,
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st_rdev: 0,
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st_pad2: [0, ..2],
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st_size: 0,
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st_pad3: 0,
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st_atime: 0,
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st_atime_nsec: 0,
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st_mtime: 0,
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st_mtime_nsec: 0,
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st_ctime: 0,
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st_ctime_nsec: 0,
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st_blksize: 0,
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st_blocks: 0,
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st_pad5: [0, ..14],
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}
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}
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}
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#[cfg(target_arch = "x86_64")]
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pub mod arch {
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use libc;
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pub fn default_stat() -> libc::stat {
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libc::stat {
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st_dev: 0,
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st_ino: 0,
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st_nlink: 0,
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st_mode: 0,
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st_uid: 0,
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st_gid: 0,
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__pad0: 0,
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st_rdev: 0,
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st_size: 0,
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st_blksize: 0,
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st_blocks: 0,
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st_atime: 0,
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st_atime_nsec: 0,
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st_mtime: 0,
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st_mtime_nsec: 0,
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st_ctime: 0,
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st_ctime_nsec: 0,
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__unused: [0, 0, 0],
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}
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}
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}
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}
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#[cfg(target_os = "freebsd")]
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mod stat {
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#[allow(missing_doc)];
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#[cfg(target_arch = "x86_64")]
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pub mod arch {
784+
use libc;
785+
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pub fn default_stat() -> libc::stat {
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libc::stat {
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st_dev: 0,
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st_ino: 0,
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st_mode: 0,
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st_nlink: 0,
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st_uid: 0,
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st_gid: 0,
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st_rdev: 0,
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st_atime: 0,
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st_atime_nsec: 0,
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st_mtime: 0,
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st_mtime_nsec: 0,
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st_ctime: 0,
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st_ctime_nsec: 0,
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st_size: 0,
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st_blocks: 0,
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st_blksize: 0,
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st_flags: 0,
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st_gen: 0,
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st_lspare: 0,
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st_birthtime: 0,
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st_birthtime_nsec: 0,
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__unused: [0, 0],
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}
811+
}
812+
}
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}
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#[cfg(target_os = "macos")]
816+
mod stat {
817+
#[allow(missing_doc)];
818+
819+
pub mod arch {
820+
use libc;
821+
822+
pub fn default_stat() -> libc::stat {
823+
libc::stat {
824+
st_dev: 0,
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st_mode: 0,
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st_nlink: 0,
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st_ino: 0,
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st_uid: 0,
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st_gid: 0,
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st_rdev: 0,
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st_atime: 0,
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st_atime_nsec: 0,
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st_mtime: 0,
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st_mtime_nsec: 0,
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st_ctime: 0,
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st_ctime_nsec: 0,
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st_birthtime: 0,
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st_birthtime_nsec: 0,
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st_size: 0,
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st_blocks: 0,
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st_blksize: 0,
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st_flags: 0,
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st_gen: 0,
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st_lspare: 0,
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st_qspare: [0, 0],
846+
}
847+
}
848+
}
849+
}
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#[cfg(target_os = "win32")]
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mod stat {
853+
#[allow(missing_doc)];
854+
855+
pub mod arch {
856+
use libc;
857+
pub fn default_stat() -> libc::stat {
858+
libc::stat {
859+
st_dev: 0,
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st_ino: 0,
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st_mode: 0,
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st_nlink: 0,
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st_uid: 0,
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st_gid: 0,
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st_rdev: 0,
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st_size: 0,
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st_atime: 0,
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st_mtime: 0,
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st_ctime: 0,
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}
871+
}
872+
}
873+
}

‎src/libstd/path2/posix.rs

Lines changed: 99 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -26,6 +26,9 @@ use vec::CopyableVector;
2626
use vec::{Vector, VectorVector};
2727
use super::{GenericPath, GenericPathUnsafe};
2828

29+
#[cfg(not(target_os = "win32"))]
30+
use libc;
31+
2932
/// Iterator that yields successive components of a Path
3033
pub type ComponentIter<'self> = vec::SplitIterator<'self, u8>;
3134

@@ -422,6 +425,102 @@ fn contains_nul(v: &[u8]) -> bool {
422425
static dot_static: &'static [u8] = &'static ['.' as u8];
423426
static dot_dot_static: &'static [u8] = &'static ['.' as u8, '.' as u8];
424427

428+
// Stat support
429+
#[cfg(not(target_os = "win32"))]
430+
impl Path {
431+
/// Calls stat() on the represented file and returns the resulting libc::stat
432+
pub fn stat(&self) -> Option<libc::stat> {
433+
#[fixed_stack_segment]; #[inline(never)];
434+
do self.with_c_str |buf| {
435+
let mut st = super::stat::arch::default_stat();
436+
match unsafe { libc::stat(buf as *libc::c_char, &mut st) } {
437+
0 => Some(st),
438+
_ => None
439+
}
440+
}
441+
}
442+
443+
/// Returns whether the represented file exists
444+
pub fn exists(&self) -> bool {
445+
match self.stat() {
446+
None => false,
447+
Some(_) => true
448+
}
449+
}
450+
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/// Returns the filesize of the represented file
452+
pub fn get_size(&self) -> Option<i64> {
453+
match self.stat() {
454+
None => None,
455+
Some(st) => Some(st.st_size as i64)
456+
}
457+
}
458+
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/// Returns the mode of the represented file
460+
pub fn get_mode(&self) -> Option<uint> {
461+
match self.stat() {
462+
None => None,
463+
Some(st) => Some(st.st_mode as uint)
464+
}
465+
}
466+
}
467+
468+
#[cfg(target_os = "freebsd")]
469+
#[cfg(target_os = "linux")]
470+
#[cfg(target_os = "macos")]
471+
impl Path {
472+
/// Returns the atime of the represented file, as (secs, nsecs)
473+
pub fn get_atime(&self) -> Option<(i64, int)> {
474+
match self.stat() {
475+
None => None,
476+
Some(st) => Some((st.st_atime as i64, st.st_atime_nsec as int))
477+
}
478+
}
479+
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/// Returns the mtime of the represented file, as (secs, nsecs)
481+
pub fn get_mtime(&self) -> Option<(i64, int)> {
482+
match self.stat() {
483+
None => None,
484+
Some(st) => Some((st.st_mtime as i64, st.st_mtime_nsec as int))
485+
}
486+
}
487+
488+
/// Returns the ctime of the represented file, as (secs, nsecs)
489+
pub fn get_ctime(&self) -> Option<(i64, int)> {
490+
match self.stat() {
491+
None => None,
492+
Some(st) => Some((st.st_ctime as i64, st.st_ctime_nsec as int))
493+
}
494+
}
495+
}
496+
497+
#[cfg(unix)]
498+
impl Path {
499+
/// Calls lstat() on the represented file and returns the resulting libc::stat
500+
pub fn lstat(&self) -> Option<libc::stat> {
501+
#[fixed_stack_segment]; #[inline(never)];
502+
do self.with_c_str |buf| {
503+
let mut st = super::stat::arch::default_stat();
504+
match unsafe { libc::lstat(buf, &mut st) } {
505+
0 => Some(st),
506+
_ => None
507+
}
508+
}
509+
}
510+
}
511+
512+
#[cfg(target_os = "freebsd")]
513+
#[cfg(target_os = "macos")]
514+
impl Path {
515+
/// Returns the birthtime of the represented file
516+
pub fn get_birthtime(&self) -> Option<(i64, int)> {
517+
match self.stat() {
518+
None => None,
519+
Some(st) => Some((st.st_birthtime as i64, st.st_birthtime_nsec as int))
520+
}
521+
}
522+
}
523+
425524
#[cfg(test)]
426525
mod tests {
427526
use super::*;

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