udhcp: optional support for non-standard DHCP ports (+300 bytes when selected)
diff --git a/include/usage.h b/include/usage.h
index 989ed91..fb88e9b 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -3892,7 +3892,7 @@
#define udhcpc_trivial_usage \
"[-Cfbnqtv] [-c CID] [-V VCLS] [-H HOSTNAME] [-i INTERFACE]\n" \
- " [-p pidfile] [-r IP] [-s script] [-O dhcp-option]..."
+ " [-p pidfile] [-r IP] [-s script] [-O dhcp-option]..." USE_FEATURE_UDHCP_PORT(" [-P N]")
#define udhcpc_full_usage \
USE_GETOPT_LONG( \
" -V,--vendorclass=CLASSID Vendor class identifier" \
@@ -3913,6 +3913,9 @@
"\n -q,--quit Quit after obtaining lease" \
"\n -R,--release Release IP on quit" \
"\n -O,--request-option=OPT Request DHCP option OPT from server" \
+ USE_FEATURE_UDHCP_PORT( \
+ "\n -P,--client-port N Use port N instead of default 68" \
+ ) \
USE_FEATURE_UDHCPC_ARPING( \
"\n -a,--arping Use arping to validate offered address" \
) \
@@ -3936,18 +3939,24 @@
"\n -q Quit after obtaining lease" \
"\n -R Release IP on quit" \
"\n -O OPT Request DHCP option OPT from server" \
+ USE_FEATURE_UDHCP_PORT( \
+ "\n -P N Use port N instead of default 68" \
+ ) \
USE_FEATURE_UDHCPC_ARPING( \
"\n -a Use arping to validate offered address" \
) \
)
#define udhcpd_trivial_usage \
- "[-fS] [configfile]" \
+ "[-fS]" USE_FEATURE_UDHCP_PORT(" [-P N]") " [configfile]" \
#define udhcpd_full_usage \
"DHCP server" \
"\n -f Run in foreground" \
- "\n -S Log to syslog too"
+ "\n -S Log to syslog too" \
+ USE_FEATURE_UDHCP_PORT( \
+ "\n -P N Use port N instead of default 67" \
+ )
#define umount_trivial_usage \
"[flags] FILESYSTEM|DIRECTORY"