82 lines
2.9 KiB
Diff
82 lines
2.9 KiB
Diff
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From 241471ed8d54b769831fc383075233df967a897a Mon Sep 17 00:00:00 2001
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From: chenjiayi <chenjiayi22@huawei.com>
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Date: Wed, 8 Nov 2023 02:09:09 +0800
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Subject: [PATCH 045/103] fix(basic): complete feature dependencies
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uuid depends on random.
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random depends on io.
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Also add get_errno method for basic Error.
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---
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libs/basic/Cargo.toml | 4 ++--
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libs/basic/src/error.rs | 36 ++++++++++++++++++++++++++++++++++++
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2 files changed, 38 insertions(+), 2 deletions(-)
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diff --git a/libs/basic/Cargo.toml b/libs/basic/Cargo.toml
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index f7c84157..654c1a3b 100644
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--- a/libs/basic/Cargo.toml
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+++ b/libs/basic/Cargo.toml
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@@ -111,9 +111,9 @@ string = []
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sysfs = ["nix/dir"]
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unistd = ["nix/user"]
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unit_name = []
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-uuid = ["bitflags"]
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+uuid = ["bitflags", "random"]
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murmurhash2 = []
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strbuf = []
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argv = []
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exec_util = []
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-random = []
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+random = ["io"]
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diff --git a/libs/basic/src/error.rs b/libs/basic/src/error.rs
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index aead8ce7..d138f477 100644
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--- a/libs/basic/src/error.rs
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+++ b/libs/basic/src/error.rs
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@@ -70,6 +70,42 @@ pub enum Error {
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Other { msg: String },
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}
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+impl Error {
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+ /// Translate the basic error to error number.
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+ pub fn get_errno(&self) -> i32 {
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+ match self {
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+ Self::Syscall {
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+ syscall: _,
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+ ret: _,
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+ errno,
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+ } => *errno,
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+ Error::Io { source } => source.raw_os_error().unwrap_or_default(),
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+ Error::Caps { what: _ } => nix::errno::Errno::EINVAL as i32,
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+ Error::Nix { source } => *source as i32,
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+ Error::Var { source } => {
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+ (match source {
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+ std::env::VarError::NotPresent => nix::errno::Errno::ENOENT,
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+ std::env::VarError::NotUnicode(_) => nix::errno::Errno::EINVAL,
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+ }) as i32
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+ }
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+ Error::Proc { source } => match source {
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+ procfs::ProcError::Incomplete(_) => nix::errno::Errno::EINVAL as i32,
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+ procfs::ProcError::PermissionDenied(_) => nix::errno::Errno::EPERM as i32,
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+ procfs::ProcError::NotFound(_) => nix::errno::Errno::ENOENT as i32,
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+ procfs::ProcError::Io(_, _) => nix::errno::Errno::EIO as i32,
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+ procfs::ProcError::Other(_) => nix::errno::Errno::EINVAL as i32,
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+ procfs::ProcError::InternalError(_) => nix::errno::Errno::EINVAL as i32,
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+ },
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+ Error::NulError { source: _ } => nix::errno::Errno::EINVAL as i32,
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+ Error::Parse { source: _ } => nix::errno::Errno::EINVAL as i32,
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+ Error::ParseNamingScheme { what: _ } => nix::errno::Errno::EINVAL as i32,
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+ Error::NotExisted { what: _ } => nix::errno::Errno::ENOENT as i32,
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+ Error::Invalid { what: _ } => nix::errno::Errno::EINVAL as i32,
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+ Error::Other { msg: _ } => nix::errno::Errno::EINVAL as i32,
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+ }
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+ }
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+}
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+
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#[allow(unused_macros)]
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macro_rules! errfrom {
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($($st:ty),* => $variant:ident) => (
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--
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2.33.0
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