#include "postgres_fe.h"
#include "win32.h"

Include dependency graph for win32.c:

Data Structures
struct	WSErrorEntry

struct	MessageDLL

Macros
#define	VC_EXTRALEAN

#define	NOGDI

#define	NOCRYPT

#define	libpq_gettext(x) (x)

#define	DLLS_SIZE (sizeof(dlls)/sizeof(struct MessageDLL))

Functions
static int	LookupWSErrorMessage (DWORD err, char *dest)

const char *	winsock_strerror (int err, char *strerrbuf, size_t buflen)

Variables
static struct WSErrorEntry	WSErrors []

struct MessageDLL	dlls []

Macro Definition Documentation

◆ DLLS_SIZE

#define DLLS_SIZE (sizeof(dlls)/sizeof(struct MessageDLL))

Definition at line 268 of file win32.c.

◆ libpq_gettext

#define libpq_gettext ( x ) (x)

Definition at line 39 of file win32.c.

◆ NOCRYPT

#define NOCRYPT

Definition at line 29 of file win32.c.

◆ NOGDI

#define NOGDI

Definition at line 27 of file win32.c.

◆ VC_EXTRALEAN

#define VC_EXTRALEAN

Definition at line 25 of file win32.c.

Function Documentation

◆ LookupWSErrorMessage()

static int LookupWSErrorMessage	(	DWORD	err,
		char *	dest
	)

static

Definition at line 218 of file win32.c.

 {
     struct WSErrorEntry *e;
  
     for (e = WSErrors; e->description; e++)
     {
         if (e->error == err)
         {
             strcpy(dest, e->description);
             return 1;
         }
     }
     return 0;
 }

References WSErrorEntry::description, generate_unaccent_rules::dest, err(), and WSErrors.

Referenced by winsock_strerror().

◆ winsock_strerror()

const char* winsock_strerror	(	int	err,
		char *	strerrbuf,
		size_t	buflen
	)

Definition at line 277 of file win32.c.

 {
     unsigned long flags;
     int         offs,
                 i;
     int         success = LookupWSErrorMessage(err, strerrbuf);
  
     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_ENGLISH, SUBLANG_DEFAULT),
                                      strerrbuf, buflen - 64,
                                      0);
     }
  
     if (!success)
         sprintf(strerrbuf, libpq_gettext("unrecognized socket error: 0x%08X/%d"), err, err);
     else
     {
         strerrbuf[buflen - 1] = '\0';
         offs = strlen(strerrbuf);
         if (offs > (int) buflen - 64)
             offs = buflen - 64;
         sprintf(strerrbuf + offs, " (0x%08X/%d)", err, err);
     }
     return strerrbuf;
 }

References dlls, DLLS_SIZE, err(), MessageDLL::handle, i, libpq_gettext, MessageDLL::loaded, LookupWSErrorMessage(), sprintf, and success.

Variable Documentation

◆ dlls

struct MessageDLL dlls[]

Initial value:

=
 
{
    {
        "netmsg.dll", 0, 0
    },
    {
        "winsock.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
    }                           
}

Referenced by winsock_strerror().

◆ WSErrors

struct WSErrorEntry WSErrors[]