udhcp: code shrink; disable time and log server options

[platform/upstream/busybox.git] / networking / udhcp / script.c

diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index 321b015..b4413fa 100644 (file)
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -244,14 +244,12 @@ static char **fill_envp(struct dhcp_packet *packet)
        }
        if (!(over & FILE_FIELD) && packet->file[0]) {
                /* watch out for invalid packets */
-               packet->file[sizeof(packet->file) - 1] = '\0';
-               *curr = xasprintf("boot_file=%s", packet->file);
+               *curr = xasprintf("boot_file=%."DHCP_PKT_FILE_LEN_STR"s", packet->file);
                putenv(*curr++);
        }
        if (!(over & SNAME_FIELD) && packet->sname[0]) {
                /* watch out for invalid packets */
-               packet->sname[sizeof(packet->sname) - 1] = '\0';
-               *curr = xasprintf("sname=%s", packet->sname);
+               *curr = xasprintf("sname=%."DHCP_PKT_SNAME_LEN_STR"s", packet->sname);
                putenv(*curr++);
        }
        return envp;