slirp: replace a DEBUG block with WITH_ICMP_ERROR_MSG

icmp_send_error() doesnt actually log messages when DEBUG is enabled.
Let's use a different define that describes better the tweaked
behaviour of the function, and avoid uncompiled code.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
This commit is contained in:
Marc-André Lureau 2018-11-22 02:06:34 +04:00 committed by Samuel Thibault
parent 7176151874
commit d0ea546caf
1 changed files with 5 additions and 3 deletions

View File

@ -34,6 +34,10 @@
#include "slirp.h"
#include "ip_icmp.h"
#ifndef WITH_ICMP_ERROR_MSG
#define WITH_ICMP_ERROR_MSG 0
#endif
/* The message sent when emulating PING */
/* Be nice and tell them it's just a pseudo-ping packet */
static const char icmp_ping_msg[] = "This is a pseudo-PING packet used by Slirp to emulate ICMP ECHO-REQUEST packets.\n";
@ -319,8 +323,7 @@ icmp_send_error(struct mbuf *msrc, u_char type, u_char code, int minsize,
HTONS(icp->icmp_ip.ip_id);
HTONS(icp->icmp_ip.ip_off);
#ifdef DEBUG
if(message) { /* DEBUG : append message to ICMP packet */
if (message && WITH_ICMP_ERROR_MSG) { /* append message to ICMP packet */
int message_len;
char *cpnt;
message_len=strlen(message);
@ -329,7 +332,6 @@ icmp_send_error(struct mbuf *msrc, u_char type, u_char code, int minsize,
memcpy(cpnt, message, message_len);
m->m_len+=message_len;
}
#endif
icp->icmp_cksum = 0;
icp->icmp_cksum = cksum(m, m->m_len);