a5e67fba8a
[libc] Implement vasprintf and asprintf --------- Co-authored-by: Izaak Schroeder <izaak.schroeder@gmail.com>
29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
//===-- Implementation of asprintf -----------------------------*- C++ -*-===//
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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 "src/stdio/asprintf.h"
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#include "src/__support/arg_list.h"
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#include "src/__support/macros/config.h"
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#include "src/stdio/printf_core/vasprintf_internal.h"
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namespace LIBC_NAMESPACE {
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LLVM_LIBC_FUNCTION(int, asprintf,
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(char **__restrict buffer, const char *format, ...)) {
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va_list vlist;
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va_start(vlist, format);
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internal::ArgList args(vlist); // This holder class allows for easier copying
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// and pointer semantics, as well as handling
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// destruction automatically.
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va_end(vlist);
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int ret = printf_core::vasprintf_internal(buffer, format, args);
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return ret;
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}
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} // namespace LIBC_NAMESPACE
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