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/*
Copyright (C) 2016-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/
/*
WARNING: This file was generated by the dkct program (see
http://dktools.sourceforge.net/ for details).
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk4svbuf.ctr
*/
/** @file dk4svbuf.c The dk4svbuf module.
*/
#line 77 "dk4svbuf.ctr"
#include "dk4conf.h"
#include "dk4svbuf.h"
#if DK4_HAVE_ERRNO_H
#ifndef ERRNO_H_INCLUDED
#include <errno.h>
#define ERRNO_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
#line 97 "dk4svbuf.ctr"
/** Buffering type constants.
*/
static int buffering_types[] = {
_IONBF, _IOLBF, _IOFBF
};
int
dk4setvbuf(
FILE *fipo,
dk4_file_buffering_t tp,
char *pbuf,
size_t szbuf,
dk4_er_t *erp
)
{
int back = 0;
#if DK4_HAVE_SETVBUF
int svbres = 0;
#endif
int btp;
#if DK4_USE_ASSERT
assert(NULL != fipo);
#endif
if (NULL != fipo) {
btp = (
((0 <= (int)tp) && (3 > (int)tp))
? (buffering_types[(int)tp])
: (buffering_types[2])
);
#if DK4_HAVE_SETVBUF
errno = 0;
svbres = setvbuf(
fipo,
((0 < szbuf) ? (pbuf) : (NULL)),
(((NULL != pbuf) && (0 < szbuf)) ? (btp) : (buffering_types[0])),
szbuf
);
if (0 == svbres) {
back = 1;
}
else {
dk4error_set_idetails(erp, DK4_E_SYSTEM, errno);
}
#else
#if DK4_HAVE_SETBUFFER
setbuffer(fipo, pbuf, szbuf);
back = 1;
#else
back = 1;
dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
#endif
}
else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
}
/* vim: set ai sw=4 ts=4 : */
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