Thread: Add buffer length setting

Add buffer length setting

From
Bruce Momjian
Date:
I few places in PQrequestCancel() did not set the errorMessage buffer
length.  This patch fixes that.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
Index: src/interfaces/libpq/fe-connect.c
===================================================================
RCS file: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v
retrieving revision 1.286
diff -c -c -r1.286 fe-connect.c
*** src/interfaces/libpq/fe-connect.c    21 Oct 2004 20:23:19 -0000    1.286
--- src/interfaces/libpq/fe-connect.c    29 Oct 2004 17:51:13 -0000
***************
*** 2252,2257 ****
--- 2252,2258 ----
      {
          strcpy(conn->errorMessage.data,
                 "PQrequestCancel() -- socket() failed: ");
+         conn->errorMessage.len = strlen(conn->errorMessage.data);
          goto cancel_errReturn;
      }
  retry3:
***************
*** 2263,2268 ****
--- 2264,2270 ----
              goto retry3;
          strcpy(conn->errorMessage.data,
                 "PQrequestCancel() -- connect() failed: ");
+         conn->errorMessage.len = strlen(conn->errorMessage.data);
          goto cancel_errReturn;
      }

***************
*** 2285,2290 ****
--- 2287,2293 ----
              goto retry4;
          strcpy(conn->errorMessage.data,
                 "PQrequestCancel() -- send() failed: ");
+         conn->errorMessage.len = strlen(conn->errorMessage.data);
          goto cancel_errReturn;
      }


Re: Add buffer length setting

From
Bruce Momjian
Date:
Magnus pointed out that cancel_errReturn sets the lengths after the
goto.  Should I reverse out this patch?

---------------------------------------------------------------------------

Bruce Momjian wrote:
> I few places in PQrequestCancel() did not set the errorMessage buffer
> length.  This patch fixes that.
>
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
>   pgman@candle.pha.pa.us               |  (610) 359-1001
>   +  If your life is a hard drive,     |  13 Roberts Road
>   +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

> Index: src/interfaces/libpq/fe-connect.c
> ===================================================================
> RCS file: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v
> retrieving revision 1.286
> diff -c -c -r1.286 fe-connect.c
> *** src/interfaces/libpq/fe-connect.c    21 Oct 2004 20:23:19 -0000    1.286
> --- src/interfaces/libpq/fe-connect.c    29 Oct 2004 17:51:13 -0000
> ***************
> *** 2252,2257 ****
> --- 2252,2258 ----
>       {
>           strcpy(conn->errorMessage.data,
>                  "PQrequestCancel() -- socket() failed: ");
> +         conn->errorMessage.len = strlen(conn->errorMessage.data);
>           goto cancel_errReturn;
>       }
>   retry3:
> ***************
> *** 2263,2268 ****
> --- 2264,2270 ----
>               goto retry3;
>           strcpy(conn->errorMessage.data,
>                  "PQrequestCancel() -- connect() failed: ");
> +         conn->errorMessage.len = strlen(conn->errorMessage.data);
>           goto cancel_errReturn;
>       }
>
> ***************
> *** 2285,2290 ****
> --- 2287,2293 ----
>               goto retry4;
>           strcpy(conn->errorMessage.data,
>                  "PQrequestCancel() -- send() failed: ");
> +         conn->errorMessage.len = strlen(conn->errorMessage.data);
>           goto cancel_errReturn;
>       }
>

>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
>                http://archives.postgresql.org

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

Re: Add buffer length setting

From
Tom Lane
Date:
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Magnus pointed out that cancel_errReturn sets the lengths after the
> goto.  Should I reverse out this patch?

Yes.

            regards, tom lane