X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=tfc_error.c;h=c4e51f169669b2684c480207a8412b07707bddd6;hb=10d07f6813a5909bb9ae957bc7424b3ad3099b93;hp=11c22bbb12ec519812d1d5e0403249ae034ada59;hpb=ee5e048cace46d40dfb9fe450eb00f977c78ab12;p=tfcrypt.git

diff --git a/tfc_error.c b/tfc_error.c
index 11c22bb..c4e51f1 100644
--- a/tfc_error.c
+++ b/tfc_error.c
@@ -256,6 +256,7 @@ void usage(void)
 	tfc_say("    Internally this number is translated into number of %u byte blocks.", TFC_U(TF_BLOCK_SIZE));
 	tfc_say("    oseek=val: seek destination file/device by these val bytes.");
 	tfc_say("    count=val: process only these val bytes, both input and output.");
+	tfc_say("    ftrunc=val: truncate output file to these val bytes before closing it.");
 	tfc_say("    xkey=val: take only val bytes from user keyfile.");
 	tfc_say("    okey=val: seek the key before reading it (usually a device).");
 	tfc_say("    xctr=val: specify size in bytes of initial counter prepended or read.");