Added -D_FORTIFY_SOURCE=2 now that the build is clean with it.

[nmh] / man / mh-format.man

diff --git a/man/mh-format.man b/man/mh-format.man
index 6c8938a56b62dee75b08152d21fd85558b7cdd21..7ac0bc0ddddd3b00752e895479fd3fbb530e4dbe 100644 (file)
--- a/man/mh-format.man
+++ b/man/mh-format.man
@@ -45,7 +45,8 @@ A format string consists of ordinary text, and special multi-character
 escape sequences which begin with `%'.  When specifying a format
 string, the usual C backslash characters are honored: `\\b', `\\f',
 `\\n', `\\r', and `\\t'.  Continuation lines in format files end with
 escape sequences which begin with `%'.  When specifying a format
 string, the usual C backslash characters are honored: `\\b', `\\f',
 `\\n', `\\r', and `\\t'.  Continuation lines in format files end with

-`\\' followed by the newline character.
+`\\' followed by the newline character. A literal `%' can be inserted into
+a format file by using the sequence `%%'.

 .\" TALK ABOUT SYNTAX FIRST, THEN SEMANTICS
 .SS SYNTAX
 Format strings are built around
 .\" TALK ABOUT SYNTAX FIRST, THEN SEMANTICS
 .SS SYNTAX
 Format strings are built around


@@ -290,6 +291,10 @@ decode     expr    string  decode \fIstr\fR as RFC 2047 (MIME-encoded)
                        component
 unquote        expr    string  remove RFC 2822 quotes from \fIstr\fR
 trim   expr            trim trailing whitespace from \fIstr\fR
                        component
 unquote        expr    string  remove RFC 2822 quotes from \fIstr\fR
 trim   expr            trim trailing whitespace from \fIstr\fR

+kilo   expr    string  express in SI units: 15.9K, 2.3M, etc.
+                       %(kilo) scales by factors of 1000,
+kibi   expr    string  express in IEC units: 15.5Ki, 2.2Mi.
+                       %(kibi) scales by factors of 1024.

 putstr expr            print \fIstr\fR
 putstrf        expr            print \fIstr\fR in a fixed width
 putnum expr            print \fInum\fR
 putstr expr            print \fIstr\fR
 putstrf        expr            print \fIstr\fR in a fixed width
 putnum expr            print \fInum\fR


@@ -298,6 +303,13 @@ putnumf    expr            print \fInum\fR in a fixed width
 putlit expr            print \fIstr\fR without space compression
 zputlit        expr            print \fIstr\fR without space compression;
                        \fIstr\fR must occupy no width on display
 putlit expr            print \fIstr\fR without space compression
 zputlit        expr            print \fIstr\fR without space compression;
                        \fIstr\fR must occupy no width on display

+bold           string  set terminal bold mode
+underline              string  set terminal underlined mode
+standout               string  set terminal standout mode
+resetterm              string  reset all terminal attributes
+hascolor               boolean terminal supports color
+fgcolor        literal string  set terminal foreground color
+bgcolor        literal string  set terminal background color

 formataddr     expr            append \fIarg\fR to \fIstr\fR as a
                        (comma separated) address list
 concataddr     expr            append \fIarg\fR to \fIstr\fR as a
 formataddr     expr            append \fIarg\fR to \fIstr\fR as a
                        (comma separated) address list
 concataddr     expr            append \fIarg\fR to \fIstr\fR as a


@@ -433,8 +445,29 @@ the str register, but requires that those contents not occupy any
 output width.  It can therefore be used for outputting terminal escape
 sequences.
 .PP
 output width.  It can therefore be used for outputting terminal escape
 sequences.
 .PP

+There are a limited number of function escapes to output terminal escape
+sequences. These sequences are retrieved from the
+.IR terminfo (5)
+database according to the current terminal setting.  The (\fIbold\fR\^),
+(\fIunderline\fR\^), and (\fIstandout\fR\^) escapes set bold mode,
+underline mode, and standout mode respectively.
+.PP
+(\fIhascolor\fR\^)
+can be used to determine if the current terminal supports color.
+(\fIfgcolor\fR\^) and (\fIbgcolor\fR\^) set the foreground and
+background colors respectively.  Both of these escapes take one literal
+argument, the color name, which can be one of: black, red, green, yellow,
+blue, magenta, cyan, white.  (\fIresetterm\fR\^) resets all terminal
+attributes back to their default setting.
+.PP
+All of these terminal escape should be used in conjunction with
+(\fIzputlit\fR\^) (preferred) or (\fIputlit\fR\^), as the normal
+(\fIputstr\fR\^) function will strip out control characters.
+.PP

 The available output width is kept in an internal register; any output
 The available output width is kept in an internal register; any output

-past this width will be truncated.
+past this width will be truncated.  The one exception to this is
+(\fIzputlit\fR\^) functions will still be executed in case a terminal reset
+code is being placed at the end of the line.

 .SS Special Handling
 A few functions have different behavior depending on what command they are
 being invoked from.
 .SS Special Handling
 A few functions have different behavior depending on what command they are
 being invoked from.