summaryrefslogtreecommitdiff
path: root/support/dktools/dk4strmb.c
blob: 0ab4981c15548c0a8e0357ecc825bb2dbbaead2c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*
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: dk4strmb.ctr
*/

/**	@file dk4strmb.c The dk4strmb module.
*/


#line 102 "dk4strmb.ctr"

#include "dk4conf.h"

#if DK4_HAVE_BZLIB_H

#include "dk4strm.h"
#include "dk4strmb.h"

#if DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif


void
dk4stream_bzfile_with_close_function(dk4_stream_api_t *api)
{
  BZFILE	*fipo;
  int		 res;
#if	DK4_USE_ASSERT
  assert(NULL != api);
#endif
  if (NULL != api) {
    api->res = 0;
    api->sz_out = 0;
    fipo = (BZFILE *)(api->d);
    if (NULL != fipo) {
      switch (api->cmd) {
        case DK4_STREAM_API_READ: {
	  res = BZ2_bzread(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 = BZ2_bzwrite(fipo, api->b, (int)(api->sz_in));
	    if (0 < res) {
	      if (res == (int)(api->sz_in)) {
	        api->res = 1;
	      }
	      api->sz_out = (size_t)res;
	    }
	  } else {
	    api->res = 1;
	  }
	} break;
	case DK4_STREAM_API_FLUSH: {
	  BZ2_bzflush(fipo);
	  api->res = 1;
	} break;
	case DK4_STREAM_API_AT_END: {
	} break;
	case DK4_STREAM_API_CLOSE: {
	  BZ2_bzclose(fipo);
	  api->res = 1;
	} break;
	case DK4_STREAM_API_ZERO_READ_IS_EOF: {
	  api->res = 1;
	} break;
      }
    }
  }
}



void
dk4stream_bzfile_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;
	api->sz_out = 0;
      } break;
      default: {
        dk4stream_bzfile_with_close_function(api);
      } break;
    }
  }
}



dk4_stream_t *
dk4stream_open_for_bzfile(
  BZFILE	*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_bzfile_function, fl, ibs, obs, erp)
  );
}



dk4_stream_t *
dk4stream_open_for_bzfile_with_close(
  BZFILE	*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_bzfile_with_close_function, fl, ibs, obs, erp
    )
  );
}


#endif