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-rw-r--r--src/sys/sysinfo.rs8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/sys/sysinfo.rs b/src/sys/sysinfo.rs
index f4b82798..222a2fc0 100644
--- a/src/sys/sysinfo.rs
+++ b/src/sys/sysinfo.rs
@@ -10,6 +10,12 @@ use crate::errno::Errno;
#[repr(transparent)]
pub struct SysInfo(libc::sysinfo);
+// The fields are c_ulong on 32-bit linux, u64 on 64-bit linux; x32's ulong is u32
+#[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
+type mem_blocks_t = u64;
+#[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
+type mem_blocks_t = libc::c_ulong;
+
impl SysInfo {
/// Returns the load average tuple.
///
@@ -58,7 +64,7 @@ impl SysInfo {
self.scale_mem(self.0.freeram)
}
- fn scale_mem(&self, units: libc::c_ulong) -> u64 {
+ fn scale_mem(&self, units: mem_blocks_t) -> u64 {
units as u64 * self.0.mem_unit as u64
}
}