modify the return value of packet send function

kcavi · kcavi · commit a1109f90aa3b · 2021-05-06T14:33:06.000+08:00
diff --git a/uinet/lib/packet_process.c b/uinet/lib/packet_process.c
@@ -354,7 +354,10 @@ int packet_sys_send(char *pkt, int len ,int port)
 	    printf("\n");
 	}
     n = send(packet_fd, pkt, len, 0);
-	return n;
+	if(n == len)
+		return 0;
+	else
+		return -1;
 }
 
 

Original file line number	Diff line number	Diff line change
`@@ -354,7 +354,10 @@ int packet_sys_send(char *pkt, int len ,int port)`
`354`	`354`	`printf("\n");`
`355`	`355`	`}`
`356`	`356`	`n = send(packet_fd, pkt, len, 0);`
`357`		`- return n;`
	`357`	`+ if(n == len)`
	`358`	`+ return 0;`
	`359`	`+ else`
	`360`	`+ return -1;`
`358`	`361`	`}`
`359`	`362`
`360`	`363`