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--- src/pgcluster/pglb/pool_process_query.c.orig.orig Wed Feb 4 23:35:56 2004
+++ src/pgcluster/pglb/pool_process_query.c Wed Feb 4 23:37:29 2004
@@ -459,20 +459,31 @@
pool_write(frontend, &size, sizeof(int));
size = htonl(size) - 4;
- buf = malloc(size);
- if (buf == NULL)
+
+ /* read and send actual data only when size > 0 */
+ if (size > 0)
{
- show_error("AsciiRow: out of memory");
- return POOL_END;
+ buf = malloc(size);
+ if (buf == NULL)
+ {
+ show_error("AsciiRow: out of memory");
+ return POOL_END;
+ }
+ /* actual data */
+ if (pool_read(backend, buf, size) < 0)
+ {
+ free(buf);
+ return POOL_END;
+ }
+ pool_write(frontend, buf, size);
+ snprintf(msgbuf, Min(sizeof(msgbuf), size), "%s", buf);
+ free(buf);
+ }
+ else
+ {
+ *msgbuf = '\0';
}
- /* actual data */
- if (pool_read(backend, buf, size) < 0)
- return POOL_END;
-
- pool_write(frontend, buf, size);
- snprintf(msgbuf, Min(sizeof(msgbuf), size), "%s", buf);
show_debug("AsciiRow: len:%d data: %s", size, msgbuf);
- free(buf);
}
mask >>= 1;
}
@@ -728,10 +739,11 @@
static POOL_STATUS EmptyQueryResponse(POOL_CONNECTION *frontend,
POOL_CONNECTION *backend)
{
+ char c;
+
/* set function name */
set_function("EmptyQueryResponse");
- char c;
if (pool_read(backend, &c, sizeof(c)) < 0)
return POOL_END;
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