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Diffstat (limited to 'src/interfaces/libpq/win32.c')
-rw-r--r--src/interfaces/libpq/win32.c402
1 files changed, 267 insertions, 135 deletions
diff --git a/src/interfaces/libpq/win32.c b/src/interfaces/libpq/win32.c
index 4b577e3bfc1..17fe9ca93ec 100644
--- a/src/interfaces/libpq/win32.c
+++ b/src/interfaces/libpq/win32.c
@@ -9,7 +9,7 @@
* descriptions. But will/may contain other win32 helper functions
* for libpq.
*
- * The error constants are taken from the Frambak Bakfram LGSOCKET
+ * The error constants are taken from the Frambak Bakfram LGSOCKET
* library guys who in turn took them from the Winsock FAQ.
*
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
@@ -30,100 +30,232 @@
#include <stdio.h>
#include "win32.h"
-static struct WSErrorEntry {
- DWORD error;
- const char* description;
-} WSErrors [] = {
- {0, "No error"},
- {WSAEINTR, "Interrupted system call"},
- {WSAEBADF, "Bad file number"},
- {WSAEACCES, "Permission denied"},
- {WSAEFAULT, "Bad address"},
- {WSAEINVAL, "Invalid argument"},
- {WSAEMFILE, "Too many open sockets"},
- {WSAEWOULDBLOCK, "Operation would block"},
- {WSAEINPROGRESS, "Operation now in progress"},
- {WSAEALREADY, "Operation already in progress"},
- {WSAENOTSOCK, "Socket operation on non-socket"},
- {WSAEDESTADDRREQ, "Destination address required"},
- {WSAEMSGSIZE, "Message too long"},
- {WSAEPROTOTYPE, "Protocol wrong type for socket"},
- {WSAENOPROTOOPT, "Bad protocol option"},
- {WSAEPROTONOSUPPORT, "Protocol not supported"},
- {WSAESOCKTNOSUPPORT, "Socket type not supported"},
- {WSAEOPNOTSUPP, "Operation not supported on socket"},
- {WSAEPFNOSUPPORT, "Protocol family not supported"},
- {WSAEAFNOSUPPORT, "Address family not supported"},
- {WSAEADDRINUSE, "Address already in use"},
- {WSAEADDRNOTAVAIL, "Can't assign requested address"},
- {WSAENETDOWN, "Network is down"},
- {WSAENETUNREACH, "Network is unreachable"},
- {WSAENETRESET, "Net connection reset"},
- {WSAECONNABORTED, "Software caused connection abort"},
- {WSAECONNRESET, "Connection reset by peer"},
- {WSAENOBUFS, "No buffer space available"},
- {WSAEISCONN, "Socket is already connected"},
- {WSAENOTCONN, "Socket is not connected"},
- {WSAESHUTDOWN, "Can't send after socket shutdown"},
- {WSAETOOMANYREFS, "Too many references, can't splice"},
- {WSAETIMEDOUT, "Connection timed out"},
- {WSAECONNREFUSED, "Connection refused"},
- {WSAELOOP, "Too many levels of symbolic links"},
- {WSAENAMETOOLONG, "File name too long"},
- {WSAEHOSTDOWN, "Host is down"},
- {WSAEHOSTUNREACH, "No route to host"},
- {WSAENOTEMPTY, "Directory not empty"},
- {WSAEPROCLIM, "Too many processes"},
- {WSAEUSERS, "Too many users"},
- {WSAEDQUOT, "Disc quota exceeded"},
- {WSAESTALE, "Stale NFS file handle"},
- {WSAEREMOTE, "Too many levels of remote in path"},
- {WSASYSNOTREADY, "Network system is unavailable"},
- {WSAVERNOTSUPPORTED, "Winsock version out of range"},
- {WSANOTINITIALISED, "WSAStartup not yet called"},
- {WSAEDISCON, "Graceful shutdown in progress"},
- {WSAHOST_NOT_FOUND, "Host not found"},
- {WSATRY_AGAIN, "NA Host not found / SERVFAIL"},
- {WSANO_RECOVERY, "Non recoverable FORMERR||REFUSED||NOTIMP"},
- {WSANO_DATA, "No host data of that type was found"},
- {0,0} /* End of table */
+static struct WSErrorEntry
+{
+ DWORD error;
+ const char *description;
+} WSErrors[] =
+
+{
+ {
+ 0, "No error"
+ },
+ {
+ WSAEINTR, "Interrupted system call"
+ },
+ {
+ WSAEBADF, "Bad file number"
+ },
+ {
+ WSAEACCES, "Permission denied"
+ },
+ {
+ WSAEFAULT, "Bad address"
+ },
+ {
+ WSAEINVAL, "Invalid argument"
+ },
+ {
+ WSAEMFILE, "Too many open sockets"
+ },
+ {
+ WSAEWOULDBLOCK, "Operation would block"
+ },
+ {
+ WSAEINPROGRESS, "Operation now in progress"
+ },
+ {
+ WSAEALREADY, "Operation already in progress"
+ },
+ {
+ WSAENOTSOCK, "Socket operation on non-socket"
+ },
+ {
+ WSAEDESTADDRREQ, "Destination address required"
+ },
+ {
+ WSAEMSGSIZE, "Message too long"
+ },
+ {
+ WSAEPROTOTYPE, "Protocol wrong type for socket"
+ },
+ {
+ WSAENOPROTOOPT, "Bad protocol option"
+ },
+ {
+ WSAEPROTONOSUPPORT, "Protocol not supported"
+ },
+ {
+ WSAESOCKTNOSUPPORT, "Socket type not supported"
+ },
+ {
+ WSAEOPNOTSUPP, "Operation not supported on socket"
+ },
+ {
+ WSAEPFNOSUPPORT, "Protocol family not supported"
+ },
+ {
+ WSAEAFNOSUPPORT, "Address family not supported"
+ },
+ {
+ WSAEADDRINUSE, "Address already in use"
+ },
+ {
+ WSAEADDRNOTAVAIL, "Can't assign requested address"
+ },
+ {
+ WSAENETDOWN, "Network is down"
+ },
+ {
+ WSAENETUNREACH, "Network is unreachable"
+ },
+ {
+ WSAENETRESET, "Net connection reset"
+ },
+ {
+ WSAECONNABORTED, "Software caused connection abort"
+ },
+ {
+ WSAECONNRESET, "Connection reset by peer"
+ },
+ {
+ WSAENOBUFS, "No buffer space available"
+ },
+ {
+ WSAEISCONN, "Socket is already connected"
+ },
+ {
+ WSAENOTCONN, "Socket is not connected"
+ },
+ {
+ WSAESHUTDOWN, "Can't send after socket shutdown"
+ },
+ {
+ WSAETOOMANYREFS, "Too many references, can't splice"
+ },
+ {
+ WSAETIMEDOUT, "Connection timed out"
+ },
+ {
+ WSAECONNREFUSED, "Connection refused"
+ },
+ {
+ WSAELOOP, "Too many levels of symbolic links"
+ },
+ {
+ WSAENAMETOOLONG, "File name too long"
+ },
+ {
+ WSAEHOSTDOWN, "Host is down"
+ },
+ {
+ WSAEHOSTUNREACH, "No route to host"
+ },
+ {
+ WSAENOTEMPTY, "Directory not empty"
+ },
+ {
+ WSAEPROCLIM, "Too many processes"
+ },
+ {
+ WSAEUSERS, "Too many users"
+ },
+ {
+ WSAEDQUOT, "Disc quota exceeded"
+ },
+ {
+ WSAESTALE, "Stale NFS file handle"
+ },
+ {
+ WSAEREMOTE, "Too many levels of remote in path"
+ },
+ {
+ WSASYSNOTREADY, "Network system is unavailable"
+ },
+ {
+ WSAVERNOTSUPPORTED, "Winsock version out of range"
+ },
+ {
+ WSANOTINITIALISED, "WSAStartup not yet called"
+ },
+ {
+ WSAEDISCON, "Graceful shutdown in progress"
+ },
+ {
+ WSAHOST_NOT_FOUND, "Host not found"
+ },
+ {
+ WSATRY_AGAIN, "NA Host not found / SERVFAIL"
+ },
+ {
+ WSANO_RECOVERY, "Non recoverable FORMERR||REFUSED||NOTIMP"
+ },
+ {
+ WSANO_DATA, "No host data of that type was found"
+ },
+ {
+ 0, 0
+ } /* End of table */
};
-/*
+/*
* Returns 0 if not found, linear but who cares, at this moment
* we're already in pain :)
*/
-static int LookupWSErrorMessage(DWORD err,char*dest)
-{
- struct WSErrorEntry *e;
- for (e = WSErrors;e->description;e++)
- {
- if (e->error == err)
- {
- strcpy(dest,e->description);
- return 1;
- }
- }
- return 0;
+static int
+LookupWSErrorMessage(DWORD err, char *dest)
+{
+ struct WSErrorEntry *e;
+
+ for (e = WSErrors; e->description; e++)
+ {
+ if (e->error == err)
+ {
+ strcpy(dest, e->description);
+ return 1;
+ }
+ }
+ return 0;
}
-struct MessageDLL{
- const char *dll_name;
- void *handle;
- int loaded; /* BOOL */
-}dlls[]={
- {"netmsg.dll",0,0},
- {"winsock.dll",0,0},
- {"wsock32.dll",0,0},
- {"ws2_32.dll",0,0},
- {"wsock32n.dll",0,0},
- {"mswsock.dll",0,0},
- {"ws2help.dll",0,0},
- {"ws2thk.dll",0,0},
- {0,0,1} /* Last one, no dll, always loaded */
+struct MessageDLL
+{
+ const char *dll_name;
+ void *handle;
+ int loaded; /* BOOL */
+} dlls[] =
+
+{
+ {
+ "netmsg.dll", 0, 0
+ },
+ {
+ "winsock.dll", 0, 0
+ },
+ {
+ "wsock32.dll", 0, 0
+ },
+ {
+ "ws2_32.dll", 0, 0
+ },
+ {
+ "wsock32n.dll", 0, 0
+ },
+ {
+ "mswsock.dll", 0, 0
+ },
+ {
+ "ws2help.dll", 0, 0
+ },
+ {
+ "ws2thk.dll", 0, 0
+ },
+ {
+ 0, 0, 1
+ } /* Last one, no dll, always loaded */
};
#define DLLS_SIZE (sizeof(dlls)/sizeof(struct MessageDLL))
@@ -132,58 +264,58 @@ struct MessageDLL{
* Returns a description of the socket error by first trying
* to find it in the lookup table, and if that fails, tries
* to load any of the winsock dlls to find that message.
- * The DLL thing works from Nt4 (spX ?) up, but some special
+ * The DLL thing works from Nt4 (spX ?) up, but some special
* versions of winsock might have this aswell (seen on Win98 SE
- * special install) / Magnus Naeslund ([email protected])
+ * special install) / Magnus Naeslund ([email protected])
*
*/
-const char *winsock_strerror(int err){
- static char buf[512]; /* Not threadsafe */
- unsigned long flags;
- int offs,i;
- int success = LookupWSErrorMessage(err,buf);
-
- for (i=0;!success && i<DLLS_SIZE;i++)
- {
-
- if (!dlls[i].loaded)
- {
- dlls[i].loaded = 1; /* Only load once */
- dlls[i].handle = (void*)LoadLibraryEx(
- dlls[i].dll_name,
- 0,
- LOAD_LIBRARY_AS_DATAFILE);
- }
-
- if (dlls[i].dll_name && !dlls[i].handle)
- continue; /* Didn't load */
-
- flags = FORMAT_MESSAGE_FROM_SYSTEM
- | FORMAT_MESSAGE_IGNORE_INSERTS
- | (dlls[i].handle?FORMAT_MESSAGE_FROM_HMODULE:0);
-
- success = 0 != FormatMessage(
- flags,
- dlls[i].handle,err,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- buf,sizeof(buf)-64,
- 0
- );
- }
-
- if (!success)
- {
- sprintf(buf,"Unknown socket error (0x%08X/%lu)",err,err);
- }
- else
- {
- buf[sizeof(buf)-1]='\0';
- offs = strlen(buf);
- if (offs>sizeof(buf)-64)
- offs = sizeof(buf)-64;
- sprintf(buf+offs," (0x%08X/%lu)",err,err);
- }
- return buf;
-}
+const char *
+winsock_strerror(int err)
+{
+ static char buf[512]; /* Not threadsafe */
+ unsigned long flags;
+ int offs,
+ i;
+ int success = LookupWSErrorMessage(err, buf);
+
+ for (i = 0; !success && i < DLLS_SIZE; i++)
+ {
+ if (!dlls[i].loaded)
+ {
+ dlls[i].loaded = 1; /* Only load once */
+ dlls[i].handle = (void *) LoadLibraryEx(
+ dlls[i].dll_name,
+ 0,
+ LOAD_LIBRARY_AS_DATAFILE);
+ }
+
+ if (dlls[i].dll_name && !dlls[i].handle)
+ continue; /* Didn't load */
+
+ flags = FORMAT_MESSAGE_FROM_SYSTEM
+ | FORMAT_MESSAGE_IGNORE_INSERTS
+ | (dlls[i].handle ? FORMAT_MESSAGE_FROM_HMODULE : 0);
+
+ success = 0 != FormatMessage(
+ flags,
+ dlls[i].handle, err,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ buf, sizeof(buf) - 64,
+ 0
+ );
+ }
+
+ if (!success)
+ sprintf(buf, "Unknown socket error (0x%08X/%lu)", err, err);
+ else
+ {
+ buf[sizeof(buf) - 1] = '\0';
+ offs = strlen(buf);
+ if (offs > sizeof(buf) - 64)
+ offs = sizeof(buf) - 64;
+ sprintf(buf + offs, " (0x%08X/%lu)", err, err);
+ }
+ return buf;
+}
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