Oh, for crying in a bucket ... relax Assert so that glibc's strxfrm

does not dump core.

diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index e48baa2cbfdfde4baafcd5a0dbbbc67a55c2fbb7..917bdc2fe20dbcbf673b75e9601a230f0ab1439e 100644 (file)
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -15,7 +15,7 @@
  *
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.140 2003/07/17 20:52:36 tgl Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.141 2003/07/17 22:20:14 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2700,11 +2700,16 @@ convert_string_datum(Datum value, Oid typid)
         * However, it seems that some versions of Solaris have buggy
         * strxfrm that can write past the specified buffer length in that
         * scenario.  So, do it the dumb way for portability.
+        *
+        * Yet other systems (e.g., glibc) sometimes return a smaller value
+        * from the second call than the first; thus the Assert must be <=
+        * not == as you'd expect.  Can't any of these people program their
+        * way out of a paper bag?
         */
        xfrmlen = strxfrm(NULL, val, 0);
        xfrmstr = (char *) palloc(xfrmlen + 1);
        xfrmlen2 = strxfrm(xfrmstr, val, xfrmlen + 1);
-       Assert(xfrmlen2 == xfrmlen);
+       Assert(xfrmlen2 <= xfrmlen);
        pfree(val);
        val = xfrmstr;
    }