SourceFormat Enforcement

[thirdparty/squid.git] / compat / xstrerror.cc

diff --git a/compat/xstrerror.cc b/compat/xstrerror.cc
index 0cf722d1e3c0f63f57486570a529d83f561b87a7..97f2702e526b8bb9ec9650087ee8356c169c4015 100644 (file)
--- a/compat/xstrerror.cc
+++ b/compat/xstrerror.cc
@@ -1,14 +1,103 @@
-#include "config.h"
+/*
+ * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
+ *
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
+ */
+
+#include "squid.h"
 #include "compat/xstrerror.h"
 
-#if HAVE_STRING_H
-#include <string.h>
+#include <cstring>
+
+#if _SQUID_WINDOWS_
+static struct _wsaerrtext {
+    int err;
+    const char *errconst;
+    const char *errdesc;
+} _wsaerrtext[] = {
+
+    { WSA_E_CANCELLED, "WSA_E_CANCELLED", "Lookup cancelled." },
+    { WSA_E_NO_MORE, "WSA_E_NO_MORE", "No more data available." },
+    { WSAEACCES, "WSAEACCES", "Permission denied." },
+    { WSAEADDRINUSE, "WSAEADDRINUSE", "Address already in use." },
+    { WSAEADDRNOTAVAIL, "WSAEADDRNOTAVAIL", "Cannot assign requested address." },
+    { WSAEAFNOSUPPORT, "WSAEAFNOSUPPORT", "Address family not supported by protocol family." },
+    { WSAEALREADY, "WSAEALREADY", "Operation already in progress." },
+    { WSAEBADF, "WSAEBADF", "Bad file number." },
+    { WSAECANCELLED, "WSAECANCELLED", "Operation cancelled." },
+    { WSAECONNABORTED, "WSAECONNABORTED", "Software caused connection abort." },
+    { WSAECONNREFUSED, "WSAECONNREFUSED", "Connection refused." },
+    { WSAECONNRESET, "WSAECONNRESET", "Connection reset by peer." },
+    { WSAEDESTADDRREQ, "WSAEDESTADDRREQ", "Destination address required." },
+    { WSAEDQUOT, "WSAEDQUOT", "Disk quota exceeded." },
+    { WSAEFAULT, "WSAEFAULT", "Bad address." },
+    { WSAEHOSTDOWN, "WSAEHOSTDOWN", "Host is down." },
+    { WSAEHOSTUNREACH, "WSAEHOSTUNREACH", "No route to host." },
+    { WSAEINPROGRESS, "WSAEINPROGRESS", "Operation now in progress." },
+    { WSAEINTR, "WSAEINTR", "Interrupted function call." },
+    { WSAEINVAL, "WSAEINVAL", "Invalid argument." },
+    { WSAEINVALIDPROCTABLE, "WSAEINVALIDPROCTABLE", "Invalid procedure table from service provider." },
+    { WSAEINVALIDPROVIDER, "WSAEINVALIDPROVIDER", "Invalid service provider version number." },
+    { WSAEISCONN, "WSAEISCONN", "Socket is already connected." },
+    { WSAELOOP, "WSAELOOP", "Too many levels of symbolic links." },
+    { WSAEMFILE, "WSAEMFILE", "Too many open files." },
+    { WSAEMSGSIZE, "WSAEMSGSIZE", "Message too long." },
+    { WSAENAMETOOLONG, "WSAENAMETOOLONG", "File name is too long." },
+    { WSAENETDOWN, "WSAENETDOWN", "Network is down." },
+    { WSAENETRESET, "WSAENETRESET", "Network dropped connection on reset." },
+    { WSAENETUNREACH, "WSAENETUNREACH", "Network is unreachable." },
+    { WSAENOBUFS, "WSAENOBUFS", "No buffer space available." },
+    { WSAENOMORE, "WSAENOMORE", "No more data available." },
+    { WSAENOPROTOOPT, "WSAENOPROTOOPT", "Bad protocol option." },
+    { WSAENOTCONN, "WSAENOTCONN", "Socket is not connected." },
+    { WSAENOTEMPTY, "WSAENOTEMPTY", "Directory is not empty." },
+    { WSAENOTSOCK, "WSAENOTSOCK", "Socket operation on nonsocket." },
+    { WSAEOPNOTSUPP, "WSAEOPNOTSUPP", "Operation not supported." },
+    { WSAEPFNOSUPPORT, "WSAEPFNOSUPPORT", "Protocol family not supported." },
+    { WSAEPROCLIM, "WSAEPROCLIM", "Too many processes." },
+    { WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT", "Protocol not supported." },
+    { WSAEPROTOTYPE, "WSAEPROTOTYPE", "Protocol wrong type for socket." },
+    { WSAEPROVIDERFAILEDINIT, "WSAEPROVIDERFAILEDINIT", "Unable to initialise a service provider." },
+    { WSAEREFUSED, "WSAEREFUSED", "Refused." },
+    { WSAEREMOTE, "WSAEREMOTE", "Too many levels of remote in path." },
+    { WSAESHUTDOWN, "WSAESHUTDOWN", "Cannot send after socket shutdown." },
+    { WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT", "Socket type not supported." },
+    { WSAESTALE, "WSAESTALE", "Stale NFS file handle." },
+    { WSAETIMEDOUT, "WSAETIMEDOUT", "Connection timed out." },
+    { WSAETOOMANYREFS, "WSAETOOMANYREFS", "Too many references." },
+    { WSAEUSERS, "WSAEUSERS", "Too many users." },
+    { WSAEWOULDBLOCK, "WSAEWOULDBLOCK", "Resource temporarily unavailable." },
+    { WSANOTINITIALISED, "WSANOTINITIALISED", "Successful WSAStartup not yet performed." },
+    { WSASERVICE_NOT_FOUND, "WSASERVICE_NOT_FOUND", "Service not found." },
+    { WSASYSCALLFAILURE, "WSASYSCALLFAILURE", "System call failure." },
+    { WSASYSNOTREADY, "WSASYSNOTREADY", "Network subsystem is unavailable." },
+    { WSATYPE_NOT_FOUND, "WSATYPE_NOT_FOUND", "Class type not found." },
+    { WSAVERNOTSUPPORTED, "WSAVERNOTSUPPORTED", "Winsock.dll version out of range." },
+    { WSAEDISCON, "WSAEDISCON", "Graceful shutdown in progress."    }
+};
 #endif
 
 const char *
 xstrerr(int error)
 {
     static char xstrerror_buf[BUFSIZ];
+
+    if (error == 0)
+        return "(0) No error.";
+
+#if _SQUID_WINDOWS_
+    // Description of WSAGetLastError()
+    for (size_t i = 0; i < sizeof(_wsaerrtext) / sizeof(struct _wsaerrtext); ++i) {
+        if (_wsaerrtext[i].err == error) {
+            // small optimization, save using a temporary buffer and two copies...
+            snprintf(xstrerror_buf, BUFSIZ, "(%d) %s, %s", error, _wsaerrtext[i].errconst, _wsaerrtext[i].errdesc);
+            return xstrerror_buf;
+        }
+    }
+#endif
+
     const char *errmsg = strerror(error);
 
     if (!errmsg || !*errmsg)
@@ -18,3 +107,4 @@ xstrerr(int error)
 
     return xstrerror_buf;
 }
+