Date: Tue, 5 Mar 2002 20:57:33 +1100 From: "Tim J. Robbins" <tim@robbins.dropbear.id.au> To: Kyle Martin <mkm@ieee.org> Cc: freebsd-standards@FreeBSD.ORG Subject: Re: ls(1) patch for review Message-ID: <20020305205733.A31150@descent.robbins.dropbear.id.au> In-Reply-To: <20020305030632.A1990@marvin.idsi.net>; from mkm@ieee.org on Tue, Mar 05, 2002 at 03:06:32AM -0600 References: <20020305030632.A1990@marvin.idsi.net>
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On Tue, Mar 05, 2002 at 03:06:32AM -0600, Kyle Martin wrote:
> +.It Fl p
> +Write a slash
> +.Pq Pa \&\
> +after each filename if that file is a directory.
It writes a /, and the \ confuses groff. How about this:
.It Fl p
Write a slash
.Pq Ql /
after each filename if that file is a directory.
> +.It Fl x
> +The same as -C, except that the multi-text-column output is produced with entries sorted across, rather tahn down, the columns.
This line should be wrapped at 80 columns or less.
> void
> +printstream(DISPLAY *dp)
> +{
> + FTSENT *p;
> +
> + for (p = dp->list; p; p = p->fts_link) {
> + if (p->fts_number != NO_PRINT) {
> + (void)printaname(p, dp->s_inode, dp->s_block);
> + if (p->fts_link)
> + (void)printf(", ");
> + }
> + }
> + (void)putchar('\n');
> +}
The lines output by the stream format must not exceed the width of
the terminal. See GNU ls for an example.
> +
> +void
> printcol(DISPLAY *dp)
> {
> extern int termwidth;
> static FTSENT **array;
> static int lastentries = -1;
> @@ -280,25 +295,47 @@
> if (num % numcols)
> ++numrows;
>
> if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size))
> (void)printf("total %lu\n", howmany(dp->btotal, blocksize));
> - for (row = 0; row < numrows; ++row) {
> - endcol = colwidth;
> - for (base = row, chcnt = col = 0; col < numcols; ++col) {
> - chcnt += printaname(array[base], dp->s_inode,
> - dp->s_block);
> - if ((base += numrows) >= num)
> - break;
> - while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
> - <= endcol) {
> - (void)putchar(f_notabs ? ' ' : '\t');
> - chcnt = cnt;
> +
> + if (f_sortacross) {
*snip*
Wouldn't it be better to have a separate function for each of these two
output functions instead of having one big `if' and almost nothing
in common between the two?
I think there is also a problem with -x outputting tabs before newlines
(\t\n) but I can't quite track it down. Different terminals handle this
differently, it makes the output ugly on some.
> * print [inode] [size] name
> @@ -362,33 +399,44 @@
> }
>
> static int
> printtype(u_int mode)
> {
> - switch (mode & S_IFMT) {
> - case S_IFDIR:
> - (void)putchar('/');
> - return (1);
> - case S_IFIFO:
> - (void)putchar('|');
> - return (1);
> - case S_IFLNK:
> - (void)putchar('@');
> - return (1);
> - case S_IFSOCK:
> - (void)putchar('=');
> - return (1);
> - case S_IFWHT:
> - (void)putchar('%');
> - return (1);
> - default:
> - }
> - if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
> - (void)putchar('*');
> - return (1);
> + if (f_slash) {
> + if ((mode & S_IFMT) == S_IFDIR) {
> + (void)putchar('/');
> + return (1);
> + }
> + else
> + return (0);
> + }
> +
> + else {
else needs to go on the line with the closing brace.
> + switch (mode & S_IFMT) {
> + case S_IFDIR:
> + (void)putchar('/');
> + return (1);
> + case S_IFIFO:
> + (void)putchar('|');
> + return (1);
> + case S_IFLNK:
> + (void)putchar('@');
> + return (1);
> + case S_IFSOCK:
> + (void)putchar('=');
> + return (1);
> + case S_IFWHT:
> + (void)putchar('%');
> + return (1);
> + default:
This default: is not needed and is possibily illegal. This wasn't added
by your change, but should be fixed:
"warning: ANSI C forbids label at end of compound statement"
Wouldn't it be better to have the -p and -F functionality split off
into separate functions?
Keep up the good work.
Tim
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