Fix lo_export usage in example programs.

tglsfdc · tglsfdc · commit 1e9d79856dac · 2012-10-08T21:19:01.000-04:00
lo_export returns -1, not zero, on failure.
diff --git a/src/test/examples/testlo.c b/src/test/examples/testlo.c
@@ -251,7 +251,7 @@ main(int argc, char **argv)
 
 		printf("exporting large object to file \"%s\" ...\n", out_filename);
 /*		exportFile(conn, lobjOid, out_filename); */
-		if (!lo_export(conn, lobjOid, out_filename))
+		if (lo_export(conn, lobjOid, out_filename) < 0)
 			fprintf(stderr, "%s\n", PQerrorMessage(conn));
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -251,7 +251,7 @@ main(int argc, char **argv)`
`251`	`251`
`252`	`252`	`printf("exporting large object to file \"%s\" ...\n", out_filename);`
`253`	`253`	`/* exportFile(conn, lobjOid, out_filename); */`
`254`		`- if (!lo_export(conn, lobjOid, out_filename))`
	`254`	`+ if (lo_export(conn, lobjOid, out_filename) < 0)`
`255`	`255`	`fprintf(stderr, "%s\n", PQerrorMessage(conn));`
`256`	`256`	`}`
`257`	`257`