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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef ISC_STDIO_H #define ISC_STDIO_H 1 /*! \file isc/stdio.h */ /*% * These functions are wrappers around the corresponding stdio functions. * * They return a detailed error code in the form of an an isc_result_t. ANSI C * does not guarantee that stdio functions set errno, hence these functions * must use platform dependent methods (e.g., the POSIX errno) to construct the * error code. */ #include <stdio.h> #include <isc/lang.h> #include <isc/result.h> ISC_LANG_BEGINDECLS /*% Open */ isc_result_t isc_stdio_open(const char *filename, const char *mode, FILE **fp); /*% Close */ isc_result_t isc_stdio_close(FILE *f); /*% Seek */ isc_result_t isc_stdio_seek(FILE *f, off_t offset, int whence); /*% Tell */ isc_result_t isc_stdio_tell(FILE *f, off_t *offsetp); /*% Read */ isc_result_t isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret); /*% Write */ isc_result_t isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret); /*% Flush */ isc_result_t isc_stdio_flush(FILE *f); isc_result_t isc_stdio_sync(FILE *f); /*%< * Invoke fsync() on the file descriptor underlying an stdio stream, or an * equivalent system-dependent operation. Note that this function has no * direct counterpart in the stdio library. */ isc_result_t isc_stdio_fgetc(FILE *f, int *ret); ISC_LANG_ENDDECLS #endif /* ISC_STDIO_H */