/*
* 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 https://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 */