Change the PID length of pcp_proc_count command result to 6 characters long

If the pgpool process ID are over 5 characters, the 6th character of each process ID
will be removed.This commit changes the process ID length of pcp_proc_count command
result to 6 characters long.

See bug 188 for related info.

diff --git a/pcp_child.c b/pcp_child.c
index de1c6c21d99f02e433e5450df3471b5d5572b134..08e53b7915d07fa823619360fc7eb2cb6393ea0f 100644 (file)
--- a/pcp_child.c
+++ b/pcp_child.c
@@ -419,7 +419,7 @@ pcp_do_child(int unix_fd, int inet_fd, char *pcp_conf_file)
 
                                process_list = pool_get_process_list(&process_count);
 
-                               mesg = (char *)malloc(6*process_count); /* port# is at most 5 characters long (MAX:65535) */
+                mesg = (char *)malloc(7*process_count); /* PID is at most 6 characters long */
                                if (mesg == NULL)
                                {
                                        pool_error("pcp_child: malloc() failed. reason: %s", strerror(errno));
@@ -430,10 +430,10 @@ pcp_do_child(int unix_fd, int inet_fd, char *pcp_conf_file)
 
                                for (i = 0; i < process_count; i++)
                                {
-                                       char port[6];
-                                       snprintf(port, sizeof(port), "%d", process_list[i]);
-                                       snprintf(mesg+total_port_len, strlen(port)+1, "%s", port);
-                                       total_port_len += strlen(port)+1;
+                    char process_id[7];
+                    snprintf(process_id, sizeof(process_id), "%d", process_list[i]);
+                    snprintf(mesg+total_port_len, strlen(process_id)+1, "%s", process_id);
+                    total_port_len += strlen(process_id)+1;
                                }
 
                                pcp_write(frontend, "n", 1);
@@ -1402,7 +1402,7 @@ static int pool_promote_node(int node_id, bool gracefully)
                promote_backend(node_id);       /* send promote request */
                return 0;
        }
-               
+
        /*
         * Wait until all frontends exit
         */