source: squid-ssl/trunk/fuentes/compat/xstrerror.cc @ 5495

Last change on this file since 5495 was 5495, checked in by Juanma, 2 years ago

Initial release

File size: 5.2 KB
Line 
1/*
2 * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
3 *
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
7 */
8
9#include "squid.h"
10#include "compat/xstrerror.h"
11
12#include <cstring>
13
14#if _SQUID_WINDOWS_
15static struct _wsaerrtext {
16    int err;
17    const char *errconst;
18    const char *errdesc;
19} _wsaerrtext[] = {
20
21    { WSA_E_CANCELLED, "WSA_E_CANCELLED", "Lookup cancelled." },
22    { WSA_E_NO_MORE, "WSA_E_NO_MORE", "No more data available." },
23    { WSAEACCES, "WSAEACCES", "Permission denied." },
24    { WSAEADDRINUSE, "WSAEADDRINUSE", "Address already in use." },
25    { WSAEADDRNOTAVAIL, "WSAEADDRNOTAVAIL", "Cannot assign requested address." },
26    { WSAEAFNOSUPPORT, "WSAEAFNOSUPPORT", "Address family not supported by protocol family." },
27    { WSAEALREADY, "WSAEALREADY", "Operation already in progress." },
28    { WSAEBADF, "WSAEBADF", "Bad file number." },
29    { WSAECANCELLED, "WSAECANCELLED", "Operation cancelled." },
30    { WSAECONNABORTED, "WSAECONNABORTED", "Software caused connection abort." },
31    { WSAECONNREFUSED, "WSAECONNREFUSED", "Connection refused." },
32    { WSAECONNRESET, "WSAECONNRESET", "Connection reset by peer." },
33    { WSAEDESTADDRREQ, "WSAEDESTADDRREQ", "Destination address required." },
34    { WSAEDQUOT, "WSAEDQUOT", "Disk quota exceeded." },
35    { WSAEFAULT, "WSAEFAULT", "Bad address." },
36    { WSAEHOSTDOWN, "WSAEHOSTDOWN", "Host is down." },
37    { WSAEHOSTUNREACH, "WSAEHOSTUNREACH", "No route to host." },
38    { WSAEINPROGRESS, "WSAEINPROGRESS", "Operation now in progress." },
39    { WSAEINTR, "WSAEINTR", "Interrupted function call." },
40    { WSAEINVAL, "WSAEINVAL", "Invalid argument." },
41    { WSAEINVALIDPROCTABLE, "WSAEINVALIDPROCTABLE", "Invalid procedure table from service provider." },
42    { WSAEINVALIDPROVIDER, "WSAEINVALIDPROVIDER", "Invalid service provider version number." },
43    { WSAEISCONN, "WSAEISCONN", "Socket is already connected." },
44    { WSAELOOP, "WSAELOOP", "Too many levels of symbolic links." },
45    { WSAEMFILE, "WSAEMFILE", "Too many open files." },
46    { WSAEMSGSIZE, "WSAEMSGSIZE", "Message too long." },
47    { WSAENAMETOOLONG, "WSAENAMETOOLONG", "File name is too long." },
48    { WSAENETDOWN, "WSAENETDOWN", "Network is down." },
49    { WSAENETRESET, "WSAENETRESET", "Network dropped connection on reset." },
50    { WSAENETUNREACH, "WSAENETUNREACH", "Network is unreachable." },
51    { WSAENOBUFS, "WSAENOBUFS", "No buffer space available." },
52    { WSAENOMORE, "WSAENOMORE", "No more data available." },
53    { WSAENOPROTOOPT, "WSAENOPROTOOPT", "Bad protocol option." },
54    { WSAENOTCONN, "WSAENOTCONN", "Socket is not connected." },
55    { WSAENOTEMPTY, "WSAENOTEMPTY", "Directory is not empty." },
56    { WSAENOTSOCK, "WSAENOTSOCK", "Socket operation on nonsocket." },
57    { WSAEOPNOTSUPP, "WSAEOPNOTSUPP", "Operation not supported." },
58    { WSAEPFNOSUPPORT, "WSAEPFNOSUPPORT", "Protocol family not supported." },
59    { WSAEPROCLIM, "WSAEPROCLIM", "Too many processes." },
60    { WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT", "Protocol not supported." },
61    { WSAEPROTOTYPE, "WSAEPROTOTYPE", "Protocol wrong type for socket." },
62    { WSAEPROVIDERFAILEDINIT, "WSAEPROVIDERFAILEDINIT", "Unable to initialise a service provider." },
63    { WSAEREFUSED, "WSAEREFUSED", "Refused." },
64    { WSAEREMOTE, "WSAEREMOTE", "Too many levels of remote in path." },
65    { WSAESHUTDOWN, "WSAESHUTDOWN", "Cannot send after socket shutdown." },
66    { WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT", "Socket type not supported." },
67    { WSAESTALE, "WSAESTALE", "Stale NFS file handle." },
68    { WSAETIMEDOUT, "WSAETIMEDOUT", "Connection timed out." },
69    { WSAETOOMANYREFS, "WSAETOOMANYREFS", "Too many references." },
70    { WSAEUSERS, "WSAEUSERS", "Too many users." },
71    { WSAEWOULDBLOCK, "WSAEWOULDBLOCK", "Resource temporarily unavailable." },
72    { WSANOTINITIALISED, "WSANOTINITIALISED", "Successful WSAStartup not yet performed." },
73    { WSASERVICE_NOT_FOUND, "WSASERVICE_NOT_FOUND", "Service not found." },
74    { WSASYSCALLFAILURE, "WSASYSCALLFAILURE", "System call failure." },
75    { WSASYSNOTREADY, "WSASYSNOTREADY", "Network subsystem is unavailable." },
76    { WSATYPE_NOT_FOUND, "WSATYPE_NOT_FOUND", "Class type not found." },
77    { WSAVERNOTSUPPORTED, "WSAVERNOTSUPPORTED", "Winsock.dll version out of range." },
78    { WSAEDISCON, "WSAEDISCON", "Graceful shutdown in progress."    }
79};
80#endif
81
82const char *
83xstrerr(int error)
84{
85    static char xstrerror_buf[BUFSIZ];
86
87    if (error == 0)
88        return "(0) No error.";
89
90#if _SQUID_WINDOWS_
91    // Description of WSAGetLastError()
92    for (size_t i = 0; i < sizeof(_wsaerrtext) / sizeof(struct _wsaerrtext); ++i) {
93        if (_wsaerrtext[i].err == error) {
94            // small optimization, save using a temporary buffer and two copies...
95            snprintf(xstrerror_buf, BUFSIZ, "(%d) %s, %s", error, _wsaerrtext[i].errconst, _wsaerrtext[i].errdesc);
96            return xstrerror_buf;
97        }
98    }
99#endif
100
101    const char *errmsg = strerror(error);
102
103    if (!errmsg || !*errmsg)
104        errmsg = "Unknown error";
105
106    snprintf(xstrerror_buf, BUFSIZ, "(%d) %s", error, errmsg);
107
108    return xstrerror_buf;
109}
110
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