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Fix for length in libpq from Tom Lane.

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This commit is contained in:
Bruce Momjian
1998-09-10 15:18:06 +00:00
parent 3a9c626a86
commit d9d8169858
3 changed files with 21 additions and 6 deletions
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15
src/interfaces/libpq/fe-exec.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.67 1998/09/04 05:03:02 momjian Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.68 1998/09/10 15:18:02 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -541,6 +541,16 @@ getRowDescriptions(PGconn *conn)
PQclear(result);
return EOF;
}
/*
* Since pqGetInt treats 2-byte integers as unsigned, we need to
* coerce the special value "-1" to signed form. (-1 is sent for
* variable-length fields.) Formerly, libpq effectively did a
* sign-extension on the 2-byte value by storing it in a signed short.
* Now we only coerce the single value 65535 == -1; values
* 32768..65534 are taken as valid field lengths.
*/
if (typlen == 0xFFFF)
typlen = -1;
result->attDescs[i].name = strdup(typName);
result->attDescs[i].typid = typid;
result->attDescs[i].typlen = typlen;
@ -1488,7 +1498,7 @@ PQoidStatus(PGresult *res)
if (strncmp(res->cmdStatus, "INSERT ", 7) != 0)
return "";
/*
/*----------
* The cmdStatus string looks like
* INSERT oid count\0
* In order to be able to return an ordinary C string without
@ -1498,6 +1508,7 @@ PQoidStatus(PGresult *res)
* INSERT oid count\0oid\0
* ^ our return value points here
* Pretty klugy eh? This routine should've just returned an Oid value.
*----------
*/
slen = strlen(res->cmdStatus);