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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
SPDX-License-Identifier: BSD-3-Clause
%% header
/** @file dk4membs.h Save buffer data to stream.
*/
#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif
#ifndef DK4MEMBUF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4membuf.h"
#else
#include <dktools-4/dk4membuf.h>
#endif
#endif
#ifndef DK4STRM_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4strm.h"
#else
#include <dktools-4/dk4strm.h>
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** Save buffer contents to file.
@param strm Output stream.
@param mbptr Buffer containing data to write.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
Error codes:
- DK4_E_INVALID_ARGUMENTS<br>
if strm or mbptr is NULL,
- DK4_E_WRITE_FAILED<br>
if writing one ore multiple bytes to the stream failed,
- DK4_E_FLUSH_FAILED<br>
if flusing data downwards failed.
*/
int
dk4membuf_to_stream(
dk4_stream_t *strm,
dk4_membuf_t const *mbptr,
dk4_er_t *erp
);
#ifdef __cplusplus
}
#endif
%% module
#include "dk4conf.h"
#include "dk4membs.h"
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
int
dk4membuf_to_stream(
dk4_stream_t *strm,
dk4_membuf_t const *mbptr,
dk4_er_t *erp
)
{
dk4_membuf_cell_t *pc = NULL;
dk4_membuf_cell_t *pn = NULL;
int back = 0;
#if DK4_USE_ASSERT
assert(NULL != strm);
assert(NULL != mbptr);
#endif
if ((NULL != strm) && (NULL != mbptr)) {
back = 1;
pc = mbptr->first;
while (NULL != pc) {
pn = pc->next;
if (0 < pc->used) {
if (0 == dk4stream_write(strm, pc->buf, pc->used, erp)) {
back = 0;
}
}
pc = pn;
}
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
return back;
}
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