On 21/07/13(Sun) 10:32, Ted Unangst wrote:
> One machine I use has terminals that happen to be very nicely sized at
> 75 columns wide. Day to day, this is almost perfect, except when trying
> to view a man page, because just a little too much text goes on each
> line.
>
> I think mandoc should adjust its default output width based on the
> terminal size. At least in the case where the terminal is narrow. This
> diff doesn't change anything if you have wider than 80 column terminals.
I'm also using mandoc in a terminal with less than 80 columns and would
really like to have this feature. So you've my ok fwiw.
> ===================================================================
> RCS file: /cvs/src/usr.bin/mandoc/term_ascii.c,v
> retrieving revision 1.10
> diff -u -p -r1.10 term_ascii.c
> --- term_ascii.c 1 Jun 2013 14:27:13 -0000 1.10
> +++ term_ascii.c 21 Jul 2013 14:24:58 -0000
> @@ -15,8 +15,10 @@
> * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
> */
> #include <sys/types.h>
> +#include <sys/ioctl.h>
>
> #include <assert.h>
> +#include <fcntl.h>
> #include <locale.h>
> #include <stdint.h>
> #include <stdio.h>
> @@ -50,11 +52,21 @@ ascii_init(enum termenc enc, char *outop
> const char *toks[4];
> char *v;
> struct termp *p;
> + struct winsize ws;
> + int tfd;
>
> p = mandoc_calloc(1, sizeof(struct termp));
>
> p->tabwidth = 5;
> p->defrmargin = 78;
> + if ((tfd = open("/dev/tty", O_RDWR, 0)) != -1) {
> + if (ioctl(tfd, TIOCGWINSZ, &ws) != -1) {
> + if (ws.ws_col < 80)
> + p->defrmargin = ws.ws_col - 2;
> + }
> + close(tfd);
> + }
> +
>
> p->begin = ascii_begin;
> p->end = ascii_end;
>
