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authorTom Lane <tgl@sss.pgh.pa.us>2003-07-17 22:20:22 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2003-07-17 22:20:22 +0000
commit004d2be5d939693da2bf650e5abe4a0293d121d1 (patch)
tree7074225a7ed61146125a8d7dfe45f41fbaae1608
parentdf32af15b6681f7f34430414bf56d0fd15fdcb54 (diff)
downloadpostgresql-004d2be5d939693da2bf650e5abe4a0293d121d1.tar.gz
postgresql-004d2be5d939693da2bf650e5abe4a0293d121d1.zip
Oh, for crying in a bucket ... relax Assert so that glibc's strxfrm
does not dump core.
-rw-r--r--src/backend/utils/adt/selfuncs.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index 26d585b99c3..6a56ef1eeef 100644
--- 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 1.119.2.5 2003/07/17 20:52:42 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.119.2.6 2003/07/17 22:20:22 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2362,11 +2362,16 @@ 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;
}