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//===-- Generic implementation of error mapper ------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_STDIO_PRINTF_CORE_GENERIC_ERROR_MAPPER_H
#define LLVM_LIBC_SRC_STDIO_PRINTF_CORE_GENERIC_ERROR_MAPPER_H
#include "hdr/errno_macros.h"
#include "src/stdio/printf_core/core_structs.h"
#include "src/stdio/printf_core/error_mapper.h"
namespace LIBC_NAMESPACE_DECL {
namespace printf_core {
LIBC_INLINE static int internal_error_to_errno(int internal_error) {
// System error occured, return error as is.
if (internal_error < 1001 && internal_error > 0) {
return internal_error;
}
// Map internal error to the available C standard errnos.
switch (-internal_error) {
case WRITE_OK:
return 0;
case FILE_WRITE_ERROR:
case FILE_STATUS_ERROR:
case NULLPTR_WRITE_ERROR:
case ALLOCATION_ERROR:
return EDOM;
case INT_CONVERSION_ERROR:
case FIXED_POINT_CONVERSION_ERROR:
case OVERFLOW_ERROR:
return ERANGE;
default:
LIBC_ASSERT(
false &&
"Invalid internal printf error code passed to internal_error_to_errno");
return EDOM;
}
}
} // namespace printf_core
} // namespace LIBC_NAMESPACE_DECL
#endif // LLVM_LIBC_SRC_STDIO_PRINTF_CORE_GENERIC_ERROR_MAPPER_H
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