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Utility
Environment.cpp
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//===-- Environment.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "
lldb/Utility/Environment.h
"
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using namespace
lldb_private
;
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char
*
Environment::Envp::make_entry
(llvm::StringRef Key,
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llvm::StringRef
Value
) {
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const
size_t
size = Key.size() + 1
/*=*/
+
Value
.size() + 1
/*\0*/
;
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char
*Result =
static_cast<
char
*
>
(
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Allocator
.Allocate(
sizeof
(
char
) * size,
alignof
(
char
)));
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char
*Next = Result;
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Next = std::copy(Key.begin(), Key.end(), Next);
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*Next++ =
'='
;
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Next = std::copy(
Value
.begin(),
Value
.end(), Next);
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*Next++ =
'\0'
;
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return
Result;
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}
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Environment::Envp::Envp
(
const
Environment
&Env) {
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Data
=
static_cast<
char
**
>
(
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Allocator
.Allocate(
sizeof
(
char
*) * (Env.size() + 1),
alignof
(
char
*)));
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char
**Next =
Data
;
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for
(
const
auto
&KV : Env)
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*Next++ =
make_entry
(KV.first(), KV.second);
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*Next++ =
nullptr
;
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}
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Environment::Environment
(
const
char
*
const
*Env) {
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if
(!Env)
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return
;
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while
(*Env)
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insert
(*Env++);
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}
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void
Environment::insert
(iterator first, iterator last) {
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while
(first != last) {
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try_emplace(first->first(), first->second);
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++first;
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}
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}
Environment.h
lldb_private::Environment::Envp::Data
char ** Data
Definition
Environment.h:38
lldb_private::Environment::Envp::make_entry
char * make_entry(llvm::StringRef Key, llvm::StringRef Value)
Definition
Environment.cpp:13
lldb_private::Environment::Envp::Allocator
llvm::BumpPtrAllocator Allocator
Definition
Environment.h:37
lldb_private::Environment::Envp::Envp
Envp(Envp &&RHS)=default
lldb_private::Environment::Envp::Environment
friend class Environment
Definition
Environment.h:35
lldb_private::Environment::insert
std::pair< iterator, bool > insert(llvm::StringRef KeyEqValue)
Definition
Environment.h:71
lldb_private::Environment::Environment
Environment()
Definition
Environment.h:59
lldb_private::Value
Definition
Value.h:38
lldb_private
A class that represents a running process on the host machine.
Definition
SBAddressRange.h:14
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