YAZ  5.23.1
ber_bool.c
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1 /* This file is part of the YAZ toolkit.
2  * Copyright (C) Index Data
3  * See the file LICENSE for details.
4  */
5 
14 #if HAVE_CONFIG_H
15 #include <config.h>
16 #endif
17 
18 #include <stdio.h>
19 #include "odr-priv.h"
20 
21 int ber_boolean(ODR o, int *val)
22 {
23  int res, len;
24 
25  switch (o->direction)
26  {
27  case ODR_ENCODE:
28  if (ber_enclen(o, 1, 1, 1) != 1)
29  return 0;
30  if (odr_putc(o, *val) < 0)
31  return 0;
32  return 1;
33  case ODR_DECODE:
34  if ((res = ber_declen(o->op->bp, &len, odr_max(o))) < 0)
35  {
36  odr_seterror(o, OPROTO, 9);
37  return 0;
38  }
39  o->op->bp+= res;
40  if (len != 1 || odr_max(o) < len)
41  {
42  odr_seterror(o, OPROTO, 10);
43  return 0;
44  }
45  *val = *o->op->bp;
46  o->op->bp++;
47  return 1;
48  case ODR_PRINT:
49  return 1;
50  default: odr_seterror(o, OOTHER, 11); return 0;
51  }
52 }
53 /*
54  * Local variables:
55  * c-basic-offset: 4
56  * c-file-style: "Stroustrup"
57  * indent-tabs-mode: nil
58  * End:
59  * vim: shiftwidth=4 tabstop=8 expandtab
60  */
61 
void odr_seterror(ODR o, int error, int id)
Definition: odr.c:118
int ber_declen(const char *buf, int *len, int max)
Definition: ber_len.c:93
#define ODR_PRINT
Definition: odr.h:97
#define OOTHER
Definition: odr.h:156
#define ODR_ENCODE
Definition: odr.h:96
#define odr_putc(o, c)
Definition: odr-priv.h:129
Internal ODR definitions.
int ber_boolean(ODR o, int *val)
Definition: ber_bool.c:21
int direction
Definition: odr.h:126
#define OPROTO
Definition: odr.h:157
#define odr_max(o)
Definition: odr-priv.h:47
struct Odr_private * op
Definition: odr.h:132
int ber_enclen(ODR o, int len, int lenlen, int exact)
Definition: ber_len.c:30
const char * bp
Definition: odr-priv.h:85
Definition: odr.h:124
#define ODR_DECODE
Definition: odr.h:95