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Hello, i just reviewed the win32 errno patch and i saw that maybe i didn't

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really played it totally safe in my last suggestion, the system table might
pick up the msg but not the netmsg.dll, so better try both.
I also added a hex printout of the "errno" appended to all messages, that's
nicer.

If anyone hate my coding style, or that i'm using goto constructs, just tell
me, and i'll rework it into a nested if () thing.

Magnus Naeslund(f)
This commit is contained in:
Bruce Momjian 2001-09-06 02:52:00 +00:00
parent 6c91eef7b7
commit ee0ef05b8d
1 changed files with 38 additions and 15 deletions
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53
src/interfaces/libpq/fe-misc.c
View File

@ -25,7 +25,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.54 2001/08/21 20:39:54 momjian Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-misc.c,v 1.55 2001/09/06 02:52:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -855,23 +855,46 @@ libpq_gettext(const char *msgid)
#ifdef WIN32
/*
* strerror replacement for windows:
*
* We dont't know a fix for win9x yet, but this whould work for nt4 and win2k.
* If you can verify this working on win9x or have a solution, let us know, ok?
*
*/
const char*
winsock_strerror(DWORD eno)
{
if (!FormatMessage(
FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_FROM_SYSTEM | /* always consider system table */
((netmsgModule != NULL) ? FORMAT_MESSAGE_FROM_HMODULE : 0),
netmsgModule, /* module to get message from (NULL == system) */
eno,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
winsock_strerror_buf,sizeof(winsock_strerror_buf)-1,
NULL
)){
sprintf(winsock_strerror_buf,"Unknown socket error(%u)",eno);
}
winsock_strerror_buf[sizeof(winsock_strerror_buf)-1]='\0';
return winsock_strerror_buf;
#define WSSE_MAXLEN (sizeof(winsock_strerror_buf)-1-12) /* 12 == "(0x00000000)" */
int length;
/* First try the "system table", this works on Win2k pro */
if (FormatMessage(
FORMAT_MESSAGE_IGNORE_INSERTS|FORMAT_MESSAGE_FROM_SYSTEM,
0,eno,MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
winsock_strerror_buf,WSSE_MAXLEN,NULL
))
goto WSSE_GOODEXIT;
/* That didn't work, let's try the netmsg.dll */
if (netmsgModule &&
FormatMessage(
FORMAT_MESSAGE_IGNORE_INSERTS|FORMAT_MESSAGE_FROM_HMODULE,
0,eno,MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
winsock_strerror_buf,WSSE_MAXLEN,NULL
))
goto WSSE_GOODEXIT;
/* Everything failed, just tell the user that we don't know the desc */
strcat(winsock_strerror_buf,"Socket error, no description available.");
WSSE_GOODEXIT:
length = strlen(winsock_strerror_buf);
sprintf(winsock_strerror_buf + length<WSSE_MAXLEN?length:WSSE_MAXLEN,
"(0x%08X)",eno);
return winsock_strerror_buf;
}
#endif