From: Bruce Momjian <bruce@momjian.us>
Date: Fri, 14 Oct 2005 01:50:58 +0000 (+0000)
Subject: [ Backpatch to 7.4.X.]
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=c2c84a2f9a8b0a630d2d815e383e39b5416d5096;p=users%2Fbernd%2Fpostgres.git

[ Backpatch to 7.4.X.]

Also I fixed a bug in a bug fix I committed a few weeks ago. he check
for a varchar pointer was incomplete.

Michael Meskes
---

diff --git a/src/interfaces/ecpg/preproc/preproc.y b/src/interfaces/ecpg/preproc/preproc.y
index 7d9e072137..b1767d4e16 100644
--- a/src/interfaces/ecpg/preproc/preproc.y
+++ b/src/interfaces/ecpg/preproc/preproc.y
@@ -5121,8 +5121,8 @@ variable: opt_pointer ECPGColLabelCommon opt_array_bounds opt_initializer
 							*dim = '\0';
 					else	
 							sprintf(dim, "[%s]", dimension);
-					/* if (strcmp(length, "0") == 0)*/
-					if (atoi(length) <= 0)
+					/* cannot check for atoi <= 0 because a defined constant will yield 0 here as well */
+					if (atoi(length) < 0 || strcmp(length, "0") == 0)
 						mmerror(PARSE_ERROR, ET_ERROR, "pointer to varchar are not implemented");
 
 					if (strcmp(dimension, "0") == 0)