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i've spotted a following problem using DBD::Pg under win32. winsock

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functions do not set errno, so some normal conditions are treated as
fatal errors. e.g. fetching large tuples fails, as at some point recv()
returns EWOULDBLOCK. here's a patch, which replaces errno with
WSAGetLastError(). i've tried to to affect non-win32 code.

Dmitry Yurtaev
This commit is contained in:
Bruce Momjian
2001-07-20 17:45:06 +00:00
parent 8f75c1b0c7
commit 8c79f3c4a3
4 changed files with 36 additions and 18 deletions
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10
src/interfaces/libpq/fe-exec.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.103 2001/07/15 13:45:04 petere Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.104 2001/07/20 17:45:06 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -223,7 +223,7 @@ pqResultAlloc(PGresult *res, size_t nBytes, bool isBinary)
}
/* If there's enough space in the current block, no problem. */
if (nBytes <= res->spaceLeft)
if (nBytes <= (size_t)res->spaceLeft)
{
space = res->curBlock->space + res->curOffset;
res->curOffset += nBytes;
@ -1024,7 +1024,7 @@ getAnotherTuple(PGconn *conn, int binary)
vlen = 0;
if (tup[i].value == NULL)
{
tup[i].value = (char *) pqResultAlloc(result, vlen + 1, binary);
tup[i].value = (char *) pqResultAlloc(result, vlen + 1, (bool)binary);
if (tup[i].value == NULL)
goto outOfMemory;
}
@ -2051,7 +2051,11 @@ PQoidValue(const PGresult *res)
if (!res || !res->cmdStatus || strncmp(res->cmdStatus, "INSERT ", 7) != 0)
return InvalidOid;
#ifdef WIN32
WSASetLastError(0);
#else
errno = 0;
#endif
result = strtoul(res->cmdStatus + 7, &endptr, 10);
if (!endptr || (*endptr != ' ' && *endptr != '\0') || errno == ERANGE)