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/*
Copyright (C) 2015-2020, 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: dk4strmg.ctr
*/
/** @file dk4strmg.c The dk4strmg module.
*/
#line 101 "dk4strmg.ctr"
#include "dk4conf.h"
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_ZLIB_H
#include "dk4strm.h"
#include "dk4strmg.h"
void
dk4stream_gzfile_with_close_function(dk4_stream_api_t *api)
{
gzFile fipo;
int res;
#if DK4_USE_ASSERT
assert(NULL != api);
#endif
if (NULL != api) {
api->res = 0;
api->sz_out = 0;
fipo = (gzFile)(api->d);
if (NULL != fipo) {
switch (api->cmd) {
case DK4_STREAM_API_READ: {
res = gzread(fipo, api->b, (int)(api->sz_in));
if (0 < res) {
api->res = 1;
api->sz_out = (size_t)res;
}
} break;
case DK4_STREAM_API_WRITE: {
if (0 < api->sz_in) {
res = gzwrite(fipo, api->b, (int)(api->sz_in));
if (res == (int)(api->sz_in)) {
api->res = 1;
}
if (0 <= res) { api->sz_out = (size_t)res; }
else { api->sz_out = 0; }
} else {
api->res = 1;
}
} break;
case DK4_STREAM_API_FLUSH: {
if (Z_OK == gzflush(fipo, Z_FULL_FLUSH)) {
api->res = 1;
}
} break;
case DK4_STREAM_API_AT_END: {
if (1 == gzeof(fipo)) {
api->res = 1;
}
} break;
case DK4_STREAM_API_CLOSE: {
if (Z_OK == gzclose(fipo)) {
api->res = 1;
}
} break;
}
}
} else {
}
}
void
dk4stream_gzfile_function(dk4_stream_api_t *api)
{
#if DK4_USE_ASSERT
assert(NULL != api);
#endif
if (NULL != api) {
switch (api->cmd) {
case DK4_STREAM_API_CLOSE: {
api->res = 1;
} break;
default: {
dk4stream_gzfile_with_close_function(api);
} break;
}
}
}
dk4_stream_t *
dk4stream_open_for_gzfile(
gzFile fipo,
int fl,
size_t ibs,
size_t obs,
dk4_er_t *erp
)
{
#if DK4_USE_ASSERT
assert(NULL != fipo);
#endif
return (
dk4stream_open( (void *)fipo, dk4stream_gzfile_function, fl, ibs, obs, erp )
);
}
dk4_stream_t *
dk4stream_open_for_gzfile_with_close(
gzFile fipo,
int fl,
size_t ibs,
size_t obs,
dk4_er_t *erp
)
{
#if DK4_USE_ASSERT
assert(NULL != fipo);
#endif
return (
dk4stream_open(
(void *)fipo, dk4stream_gzfile_with_close_function, fl, ibs, obs, erp
)
);
}
#endif
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