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Diffstat (limited to 'lib/isc/include/isc/stdio.h')
-rw-r--r-- | lib/isc/include/isc/stdio.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/lib/isc/include/isc/stdio.h b/lib/isc/include/isc/stdio.h new file mode 100644 index 0000000..e3bf0cd --- /dev/null +++ b/lib/isc/include/isc/stdio.h @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2000, 2001 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 ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC 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 1.7.18.2 2005/04/29 00:17:03 marka Exp $ */ + +#ifndef ISC_STDIO_H +#define ISC_STDIO_H 1 + +/*! \file */ + +/*% + * 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, long offset, int whence); + +/*% 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_LANG_ENDDECLS + +#endif /* ISC_STDIO_H */ |