X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=tfc_error.c;h=2b50807f6071cedbafd386cb3bfcbda51967e0e5;hb=c0d678824537239f5e17822cd8473ac32f1ed251;hp=ad14e7d0bc23eca1cf7b97230738f628fa8c75e2;hpb=e16562d4f4180c1364181c92d6d8f285f322f12c;p=tfcrypt.git

diff --git a/tfc_error.c b/tfc_error.c
index ad14e7d..2b50807 100644
--- a/tfc_error.c
+++ b/tfc_error.c
@@ -148,9 +148,11 @@ void usage(void)
 		tfc_say("  -a: shortcut of -O xtime.");
 		tfc_say("  -l length: read only these first bytes of source.");
 		tfc_say("  -O opts: set options (comma separated list):");
+		tfc_say("    ro: open all files only for reading, even those intended for writing,");
 		tfc_say("    sync: request a synchronous I/O for a output,");
 		tfc_say("    fsync: on each write() call a corresponding fsync(fd),");
 		tfc_say("    trunc: open(O_WRONLY) will truncate output file to zero size.");
+		tfc_say("    append: open(O_APPEND) will append data to output file.");
 		tfc_say("    pad: pad incomplete (l.t. %u bytes) block with zeroes.", TFC_U(TF_BLOCK_SIZE));
 		tfc_say("    xtime: copy timestamps from source to destination files.");
 		tfc_say("    gibsize: use SI units of size: 1k = 1000. Applies only to size prefixes.");
@@ -160,8 +162,11 @@ void usage(void)
 		tfc_say("    when the whole status line width is smaller than tty width.");
 		tfc_say("    statless: emit less information in status line (only processed data).");
 		tfc_say("    iobs=val: set IO block size value. Must not exceed %u bytes.", TFC_U(TFC_BLKSIZE));
+		tfc_say("    nobuf: disable IO buffering, write as soon as data received (only for stream ciphers!)");
 		tfc_say("    iseek=val: seek source file/device by these val bytes.");
 		tfc_say("    oseek=val: seek destination file/device by these val bytes.");
+		tfc_say("    ioseek=val: seek both source and destination.");
+		tfc_say("    ioseek is equal to iseek and oseek.");
 		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("    ftrunc=tail: truncate output's tail, leaving only processed data.");
@@ -241,7 +246,7 @@ void usage(void)
 	tfc_say("  -w: overwrite source file. If not file, ignored.");
 	tfc_say("  -n TURNS: number of turns to perform in Skein function.");
 	tfc_say("    Default is always defined when building tfcrypt.");
-	tfc_say("  -C mode: mode of operation: CTR, STREAM, XTS, ECB, CBC, OCB.");
+	tfc_say("  -C mode: mode of operation: CTR, STREAM, XTS, ECB, CBC.");
 	tfc_say("    Default encryption mode can be changed when building tfcrypt.");
 	tfc_say("  -c opt: initial CTR value initialisation mode:");
 	tfc_say("    show: do default action, then dump CTR value to stderr,");
@@ -314,9 +319,11 @@ void usage(void)
 	tfc_say("    Multiple -E specifiers may be given in separate options.");
 	tfc_say("  -o logfile: redirect all messages to logfile instead of stderr.");
 	tfc_say("  -O opts: set options (comma separated list):");
+	tfc_say("    ro: open all files only for reading, even those intended for writing,");
 	tfc_say("    sync: request a synchronous I/O for a output,");
 	tfc_say("    fsync: on each write() call a corresponding fsync(fd),");
 	tfc_say("    trunc: open(O_WRONLY) will truncate output file to zero size.");
+	tfc_say("    append: open(O_APPEND) will append data to output file.");
 	tfc_say("    pad: pad incomplete (l.t. %u bytes) block with zeroes.", TFC_U(TF_BLOCK_SIZE));
 	tfc_say("    xtime: copy timestamps from source to destination files.");
 	tfc_say("    gibsize: use SI units of size: 1k = 1000. Applies only to size prefixes.");
@@ -329,11 +336,13 @@ void usage(void)
 	tfc_say("    showsecrets: show passwords in plaintext instead of masking them.");
 	tfc_say("    finished: add \"finished\" word before status line when work is finished.");
 	tfc_say("    pid: show %s's process id near it's name in error messages, logs etc.", progname);
+	tfc_say("    readloops=val: when seekable source ends, reading continues from it's beginning again.");
 	tfc_say("    prompt=str: set main password prompts to this string.");
 	tfc_say("    macprompt=str: set MAC password prompts to this string.");
 	tfc_say("    shorthex: with -H, do not print printable characters, dump only hex string.");
 	tfc_say("    logfile: (same as -o) redirect all messages to logfile instead of stderr.");
 	tfc_say("    iobs=val: set IO block size value. Must not exceed %u bytes.", TFC_U(TFC_BLKSIZE));
+	tfc_say("    nobuf: disable IO buffering, write as soon as data received (only for stream ciphers!)");
 	tfc_say("    xtsblocks=val: use these nr of TF blocks per XTS block. Default is %u.", TFC_U(TFC_XTSBLOCKS));
 	tfc_say("    iseek=val: seek source file/device by these val bytes.");
 	tfc_say("    Initial counter is adjusted automatically.");
@@ -345,6 +354,8 @@ void usage(void)
 	tfc_say("    ixctr=val: Increment initial counter by this val bytes.");
 	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("    ioseek=val: seek both source and destination.");
+	tfc_say("    ioseek is equal to iseek and oseek.");
 	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("    ftrunc=tail: truncate output's tail, leaving only processed data.");