45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ADB_IO_H
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#define ADB_IO_H
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#include <stdbool.h>
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#include <sys/types.h>
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/*
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* Reads exactly len bytes from fd into buf.
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*
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* Returns false if there is an error or if EOF was reached before len bytes
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* were read. If EOF was found, errno will be set to 0.
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*
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* If this function fails, the contents of buf are undefined.
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*/
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bool ReadFdExactly(int fd, void *buf, size_t len);
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/*
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* Writes exactly len bytes from buf to fd.
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*
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* Returns false if there is an error or if the fd was closed before the write
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* completed. If the other end of the fd (such as in a socket, pipe, or fifo),
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* is closed, errno will be set to 0.
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*/
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bool WriteFdExactly(int fd, const void *buf, size_t len);
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/* Same as WriteFdExactly, but with an implicit len = strlen(buf). */
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bool WriteStringFully(int fd, const char* str);
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#endif /* ADB_IO_H */
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