51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#ifndef BUTIL_STRING_PRINTF_H
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#define BUTIL_STRING_PRINTF_H
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#include <string> // std::string
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#include <stdarg.h> // va_list
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namespace butil {
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// Convert |format| and associated arguments to std::string
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std::string string_printf(const char* format, ...)
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__attribute__ ((format (printf, 1, 2)));
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// Write |format| and associated arguments into |output|
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// Returns 0 on success, -1 otherwise.
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int string_printf(std::string* output, const char* fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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// Write |format| and associated arguments in form of va_list into |output|.
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// Returns 0 on success, -1 otherwise.
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int string_vprintf(std::string* output, const char* format, va_list args);
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// Append |format| and associated arguments to |output|
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// Returns 0 on success, -1 otherwise.
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int string_appendf(std::string* output, const char* format, ...)
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__attribute__ ((format (printf, 2, 3)));
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// Append |format| and associated arguments in form of va_list to |output|.
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// Returns 0 on success, -1 otherwise.
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int string_vappendf(std::string* output, const char* format, va_list args);
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} // namespace butil
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#endif // BUTIL_STRING_PRINTF_H
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