Auto merge of #94609 - esp-rs:esp-idf-stat-type-fixes, r=Mark-Simulacrum

espidf: fix stat

Marking as draft as currently dependant on [a libc fix](rust-lang/libc#2708) and release.

Author: bors

library/std/src/os/unix/process.rs

@@ -24,26 +24,26 @@ pub trait CommandExt: Sealed {
     #[stable(feature = "rust1", since = "1.0.0")]
     fn uid(
         &mut self,
-        #[cfg(not(target_os = "vxworks"))] id: u32,
-        #[cfg(target_os = "vxworks")] id: u16,
+        #[cfg(not(any(target_os = "vxworks", target_os = "espidf")))] id: u32,
+        #[cfg(any(target_os = "vxworks", target_os = "espidf"))] id: u16,
     ) -> &mut process::Command;
 
     /// Similar to `uid`, but sets the group ID of the child process. This has
     /// the same semantics as the `uid` field.
     #[stable(feature = "rust1", since = "1.0.0")]
     fn gid(
         &mut self,
-        #[cfg(not(target_os = "vxworks"))] id: u32,
-        #[cfg(target_os = "vxworks")] id: u16,
+        #[cfg(not(any(target_os = "vxworks", target_os = "espidf")))] id: u32,
+        #[cfg(any(target_os = "vxworks", target_os = "espidf"))] id: u16,
     ) -> &mut process::Command;
 
     /// Sets the supplementary group IDs for the calling process. Translates to
     /// a `setgroups` call in the child process.
     #[unstable(feature = "setgroups", issue = "90747")]
     fn groups(
         &mut self,
-        #[cfg(not(target_os = "vxworks"))] groups: &[u32],
-        #[cfg(target_os = "vxworks")] groups: &[u16],
+        #[cfg(not(any(target_os = "vxworks", target_os = "espidf")))] groups: &[u32],
+        #[cfg(any(target_os = "vxworks", target_os = "espidf"))] groups: &[u16],
     ) -> &mut process::Command;
 
     /// Schedules a closure to be run just before the `exec` function is
@@ -160,26 +160,26 @@ pub trait CommandExt: Sealed {
 impl CommandExt for process::Command {
     fn uid(
         &mut self,
-        #[cfg(not(target_os = "vxworks"))] id: u32,
-        #[cfg(target_os = "vxworks")] id: u16,
+        #[cfg(not(any(target_os = "vxworks", target_os = "espidf")))] id: u32,
+        #[cfg(any(target_os = "vxworks", target_os = "espidf"))] id: u16,
     ) -> &mut process::Command {
         self.as_inner_mut().uid(id);
         self
     }
 
     fn gid(
         &mut self,
-        #[cfg(not(target_os = "vxworks"))] id: u32,
-        #[cfg(target_os = "vxworks")] id: u16,
+        #[cfg(not(any(target_os = "vxworks", target_os = "espidf")))] id: u32,
+        #[cfg(any(target_os = "vxworks", target_os = "espidf"))] id: u16,
     ) -> &mut process::Command {
         self.as_inner_mut().gid(id);
         self
     }
 
     fn groups(
         &mut self,
-        #[cfg(not(target_os = "vxworks"))] groups: &[u32],
-        #[cfg(target_os = "vxworks")] groups: &[u16],
+        #[cfg(not(any(target_os = "vxworks", target_os = "espidf")))] groups: &[u32],
+        #[cfg(any(target_os = "vxworks", target_os = "espidf"))] groups: &[u16],
     ) -> &mut process::Command {
         self.as_inner_mut().groups(groups);
         self

library/std/src/sys/unix/fd.rs

@@ -11,6 +11,21 @@ use crate::sys_common::{AsInner, FromInner, IntoInner};
 
 use libc::{c_int, c_void};
 
+#[cfg(any(
+    target_os = "android",
+    target_os = "linux",
+    target_os = "emscripten",
+    target_os = "l4re"
+))]
+use libc::off64_t;
+#[cfg(not(any(
+    target_os = "linux",
+    target_os = "emscripten",
+    target_os = "l4re",
+    target_os = "android"
+)))]
+use libc::off_t as off64_t;
+
 #[derive(Debug)]
 pub struct FileDesc(OwnedFd);
 
@@ -109,7 +124,7 @@ impl FileDesc {
                 self.as_raw_fd(),
                 buf.as_mut_ptr() as *mut c_void,
                 cmp::min(buf.len(), READ_LIMIT),
-                offset as i64,
+                offset as off64_t,
             ))
             .map(|n| n as usize)
         }
@@ -176,7 +191,7 @@ impl FileDesc {
                 self.as_raw_fd(),
                 buf.as_ptr() as *const c_void,
                 cmp::min(buf.len(), READ_LIMIT),
-                offset as i64,
+                offset as off64_t,
             ))
             .map(|n| n as usize)
         }

library/std/src/sys/unix/fs.rs

@@ -966,7 +966,7 @@ impl File {
             SeekFrom::End(off) => (libc::SEEK_END, off),
             SeekFrom::Current(off) => (libc::SEEK_CUR, off),
         };
-        let n = cvt(unsafe { lseek64(self.as_raw_fd(), pos, whence) })?;
+        let n = cvt(unsafe { lseek64(self.as_raw_fd(), pos as off64_t, whence) })?;
         Ok(n as u64)
     }