stdio.h revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: stdio.h,v 1.5 2000/08/01 01:30:48 tale Exp $ */
#ifndef ISC_STDIO_H
#define ISC_STDIO_H 1
#include <stdio.h>
#include <isc/lang.h>
#include <isc/result.h>
ISC_LANG_BEGINDECLS
isc_result_t
isc_stdio_open(const char *filename, const char *mode, FILE **fp);
isc_result_t
isc_stdio_close(FILE *f);
isc_result_t
isc_stdio_seek(FILE *f, long offset, int whence);
isc_result_t
isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f,
size_t *nret);
isc_result_t
isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f,
size_t *nret);
isc_result_t
isc_stdio_flush(FILE *f);
/*
* These functions are wrappers around the corresponding stdio functions,
* returning 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.
*/
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_LANG_ENDDECLS
#endif /* ISC_STDIO_H */