Bug #737: PQescapeBytea parameter #3 size_t *to_length - Mailing list pgsql-bugs

From pgsql-bugs@postgresql.org
Subject Bug #737: PQescapeBytea parameter #3 size_t *to_length
Date
Msg-id 20020813144424.9BC5E4754A3@postgresql.org
Whole thread Raw
Responses Re: Bug #737: PQescapeBytea parameter #3 size_t *to_length  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: Bug #737: PQescapeBytea parameter #3 size_t *to_length  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-bugs
Christoph Haller (ch@rodos.fzk.de) reports a bug with a severity of 3
The lower the number the more severe it is.

Short Description
PQescapeBytea parameter #3 size_t *to_length

Long Description
Hi,

I am referring to

PostgreSQL 7.2.1 Documentation
Chapter 1. libpq - C Library
1.3. Command Execution Functions
1.3.3. Escaping binary strings for inclusion in SQL queries

I found the line
"The result string length does not include the terminating zero byte of the result."
is not right.
The result string length does indeed include the terminating zero byte.

When I do

    binarystr = (char *)
            PQescapeBytea((unsigned char *)"\01\02",2,(size_t *)&binarylen);
    printf(" binarylen = %d \n", binarylen) ;

I'll get
 binarylen = 3

I also dropped a DocNote, but unfortunately there is no way to
scroll on longer notes. Maybe you like to fix this, too.

Regards, Christoph


Sample Code


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