udhcp: pass pointer to whole packet to "add option" functions
This is needed for "overflow option" support
function old new delta
udhcp_find_option - 34 +34
udhcp_add_binary_option 94 106 +12
write_leases 227 223 -4
udhcp_init_header 86 82 -4
send_release 104 99 -5
init_packet 87 81 -6
add_client_options 160 154 -6
add_server_options 100 92 -8
udhcpd_main 1964 1954 -10
udhcpc_main 2859 2837 -22
find_option 34 - -34
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/8 up/down: 46/-99) Total: -53 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index 1f25bb1..cf55a6b 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -167,10 +167,11 @@
close(fd);
if (server_config.notify_file) {
-// TODO: vfork-based child creation
- char *cmd = xasprintf("%s %s", server_config.notify_file, server_config.lease_file);
- system(cmd);
- free(cmd);
+ char *argv[3];
+ argv[0] = server_config.notify_file;
+ argv[1] = server_config.lease_file;
+ argv[2] = NULL;
+ spawn_and_wait(argv);
}
}