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libpq was not consistently checking for memory allocation failures. This

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patch adds missing checks to the call sites of malloc(), strdup(),
PQmakeEmptyPGresult(), pqResultAlloc(), and pqResultStrdup(), and updates
the documentation. Per original report from Volkan Yazici about
PQmakeEmptyPGresult() not checking for malloc() failure.
This commit is contained in:
Neil Conway
2005-06-12 00:00:21 +00:00
parent 2f1210629c
commit 72a5db15d1
8 changed files with 206 additions and 117 deletions
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4
src/interfaces/libpq/libpq-int.h
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@@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.101 2005/06/04 20:42:43 momjian Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.102 2005/06/12 00:00:21 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -403,7 +403,7 @@ extern void pqClearAsyncResult(PGconn *conn);
extern void pqSaveErrorResult(PGconn *conn);
extern PGresult *pqPrepareAsyncResult(PGconn *conn);
extern void
pqInternalNotice(const PGNoticeHooks *hooks, const char *fmt,...)
pqInternalNotice(const PGNoticeHooks *hooks, const char *fmt, ...)
/* This lets gcc check the format string for consistency. */
__attribute__((format(printf, 2, 3)));
extern int pqAddTuple(PGresult *res, PGresAttValue *tup);