I think this is what I intended:
diff --git a/layout-custom.c b/layout-custom.c
index c076232..ab89a3f 100644
--- a/layout-custom.c
+++ b/layout-custom.c
@@ -63,7 +63,7 @@ layout_dump(struct window *w)
if (layout_append(w->layout_root, layout, sizeof layout) != 0)
return (NULL);
- xasprintf(&out, "%4x,%s", layout_checksum(layout), layout);
+ xasprintf(&out, "%04x,%s", layout_checksum(layout), layout);
return (out);
}
On Sat, Mar 09, 2013 at 06:29:33PM -0600, Chris Johnsen wrote:
> The leading checksum value of custom layout strings output by the
> list-windows command (generated by layout_dump) is printed as a four
> character field ("%4x"). For values less than 0x1000 this means that
> spaces are added to the left side to pad it out to four characters.
>
> These leading spaces are easy to accidentally (or unintentionally)
> omit when copying the custom layout string for use with the
> select-layout command.
>
> Technically, a "short" checksum value is correctly parsed by the
> current code, but the pointer is advanced as if it were always four
> characters long. This effectively mangles the rest of the custom
> layout string by skipping one or more of the next characters (i.e.
> the width of the top-level window). This likely invalidates the
> checksum, and would certainly disturb the relationship among the
> widths of the panes represented by the layout string.
>
> Advance the pointer according to the actual length of the parsed
> value instead of assuming that it is four characters long.
>
> ---
>
> For testing purposes, here are some layouts that have "short"
> checksums (for two and six panes):
>
> 75b,193x41,0,0[193x30,0,0,0,193x7,0,31,1,193x2,0,39,2]
>
>
> 94,118x40,0,0{100x40,0,0,0,17x40,101,0[17x10,101,0,3,17x9,101,11{2x9,101,11,5,11x9,104,11,8,2x9,116,11,7},17x19,101,21,4]}
> ---
> layout-custom.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/layout-custom.c b/layout-custom.c
> index c076232..aa70e16 100644
> --- a/layout-custom.c
> +++ b/layout-custom.c
> @@ -121,11 +121,12 @@ layout_parse(struct window *w, const char *layout)
> struct window_pane *wp;
> u_int npanes, ncells, sx, sy;
> u_short csum;
> + int size;
>
> /* Check validity. */
> - if (sscanf(layout, "%hx,", &csum) != 1)
> + if (sscanf(layout, "%hx,%n", &csum, &size) != 1)
> return (-1);
> - layout += 5;
> + layout += size;
> if (csum != layout_checksum(layout))
> return (-1);
>
> --
> 1.8.1.3
>
>
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Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the
endpoint security space. For insight on selecting the right partner to
tackle endpoint security challenges, access the full report.
http://p.sf.net/sfu/symantec-dev2dev
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