pcsc-lite  1.8.11
dyn_hpux.c
1 /*
2  * MUSCLE SmartCard Development ( http://pcsclite.alioth.debian.org/pcsclite.html )
3  *
4  * Copyright (C) 2001
5  * David Corcoran <corcoran@musclecard.com>
6  * Copyright (C) 2002-2010
7  * Ludovic Rousseau <ludovic.rousseau@free.fr>
8  *
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions
11 are met:
12 
13 1. Redistributions of source code must retain the above copyright
14  notice, this list of conditions and the following disclaimer.
15 2. Redistributions in binary form must reproduce the above copyright
16  notice, this list of conditions and the following disclaimer in the
17  documentation and/or other materials provided with the distribution.
18 3. The name of the author may not be used to endorse or promote products
19  derived from this software without specific prior written permission.
20 
21 Changes to this license can be made only by the copyright author with
22 explicit written consent.
23 
24 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  *
35  * $Id: dyn_hpux.c 6851 2014-02-14 15:43:32Z rousseau $
36  */
37 
38 /*
39  * @file
40  * @brief This abstracts dynamic library loading functions and timing.
41  */
42 
43 #include "config.h"
44 #include <string.h>
45 #ifdef HAVE_DL_H
46 #include <dl.h>
47 #include <errno.h>
48 
49 #include "pcsclite.h"
50 #include "debuglog.h"
51 #include "dyn_generic.h"
52 
53 int DYN_LoadLibrary(void **pvLHandle, char *pcLibrary)
54 {
55 
56  shl_t myHandle;
57 
58  *pvLHandle = 0;
59  myHandle =
60  shl_load(pcLibrary, BIND_IMMEDIATE | BIND_VERBOSE | BIND_NOSTART,
61  0L);
62 
63  if (myHandle == 0)
64  {
65  Log3(PCSC_LOG_ERROR, "%s: %s", pcLibrary, strerror(errno));
66  return SCARD_F_UNKNOWN_ERROR;
67  }
68 
69  *pvLHandle = (void *) myHandle;
70  return SCARD_S_SUCCESS;
71 }
72 
73 int DYN_CloseLibrary(void **pvLHandle)
74 {
75 
76  int rv;
77 
78  rv = shl_unload((shl_t) * pvLHandle);
79  *pvLHandle = 0;
80 
81  if (rv == -1)
82  {
83  Log2(PCSC_LOG_ERROR, "%s", strerror(errno));
84  return SCARD_F_UNKNOWN_ERROR;
85  }
86 
87  return SCARD_S_SUCCESS;
88 }
89 
90 int DYN_GetAddress(void *pvLHandle, void **pvFHandle, const char *pcFunction,
91  int mayfail)
92 {
93 
94  int rv;
95 
96  *pvFHandle = 0;
97  rv = shl_findsym((shl_t *) & pvLHandle, pcFunction, TYPE_PROCEDURE,
98  pvFHandle);
99 
100  if (rv == -1)
101  {
102  Log3(mayfail ? PCSC_LOG_INFO : PCSC_LOG_ERROR, "%s: %s",
103  pcFunction, strerror(errno));
105  }
106  else
107  rv = SCARD_S_SUCCESS;
108 
109  return rv;
110 }
111 
112 #endif /* HAVE_DL_H */
113 
This abstracts dynamic library loading functions.
#define SCARD_F_UNKNOWN_ERROR
An internal error has been detected, but the source is unknown.
Definition: pcsclite.h:126
This keeps a list of defines for pcsc-lite.
#define SCARD_S_SUCCESS
error codes from http://msdn.microsoft.com/en-us/library/aa924526.aspx
Definition: pcsclite.h:106
This handles debugging.