"-O ftrunc=": implement file truncations (without sanity checks).

[tfcrypt.git] / tfc_error.c

diff --git a/tfc_error.c b/tfc_error.c
index 11c22bbb12ec519812d1d5e0403249ae034ada59..c4e51f169669b2684c480207a8412b07707bddd6 100644 (file)
--- 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.");