In fact try this instead, this one changes the syntax to prefix it with
an =, so #{=20:pane_title}. This'll mean later on we can add additional
operators for padding, quoting etc without conflicting with length
limits.
diff --git a/format.c b/format.c
index 0845df6..b7faab3 100644
--- a/format.c
+++ b/format.c
@@ -18,6 +18,8 @@
#include <sys/types.h>
+#include <ctype.h>
+#include <errno.h>
#include <netdb.h>
#include <stdarg.h>
#include <stdlib.h>
@@ -188,18 +190,41 @@ format_find(struct format_tree *ft, const char *key)
* #{?blah,a,b} is replace with a if blah exists and is nonzero else b.
*/
int
-format_replace(struct format_tree *ft,
- const char *key, size_t keylen, char **buf, size_t *len, size_t *off)
+format_replace(struct format_tree *ft, const char *key, size_t keylen,
+ char **buf, size_t *len, size_t *off)
{
- char *copy, *ptr;
+ char *copy, *copy0, *endptr, *ptr;
const char *value;
size_t valuelen;
+ u_long limit = ULONG_MAX;
+ int finished;
/* Make a copy of the key. */
- copy = xmalloc(keylen + 1);
+ copy0 = copy = xmalloc(keylen + 1);
memcpy(copy, key, keylen);
copy[keylen] = '\0';
+ /* Is there a length limit or whatnot? */
+ if (!isalpha((u_char) *copy) && *copy != '?') {
+ while (*copy != ':' && *copy != '\0') {
+ switch (*copy) {
+ case '=':
+ errno = 0;
+ limit = strtoul(copy + 1, &endptr, 10);
+ if (errno == ERANGE && limit == ULONG_MAX)
+ goto fail;
+ copy = endptr;
+ break;
+ default:
+ copy++;
+ break;
+ }
+ }
+ if (*copy != ':')
+ goto fail;
+ copy++;
+ }
+
/*
* Is this a conditional? If so, check it exists and extract either the
* first or second element. If not, look up the key directly.
@@ -230,6 +255,10 @@ format_replace(struct format_tree *ft,
}
valuelen = strlen(value);
+ /* Truncate the value if needed. */
+ if (valuelen > limit)
+ valuelen = limit;
+
/* Expand the buffer and copy in the value. */
while (*len - *off < valuelen + 1) {
*buf = xrealloc(*buf, 2, *len);
@@ -238,11 +267,11 @@ format_replace(struct format_tree *ft,
memcpy(*buf + *off, value, valuelen);
*off += valuelen;
- free(copy);
+ free(copy0);
return (0);
fail:
- free(copy);
+ free(copy0);
return (-1);
}
diff --git a/options-table.c b/options-table.c
index 2281d65..bede743 100644
--- a/options-table.c
+++ b/options-table.c
@@ -386,7 +386,7 @@ const struct options_table_entry session_options_table[] = {
{ .name = "status-right",
.type = OPTIONS_TABLE_STRING,
- .default_str = "\"#22T\" %H:%M %d-%b-%y"
+ .default_str = "\"#{22:pane_title}\" %H:%M %d-%b-%y"
},
{ .name = "status-right-attr",
diff --git a/tmux.1 b/tmux.1
index 340109b..19ae4a9 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3026,6 +3026,12 @@ will include the string
if the session is attached and the string
.Ql not attached
if it is unattached.
+A limit may be placed on the length of the resultant string by prefixing it
+by an
+.Ql = ,
+a number and a colon, so
+.Ql #{=10:pane_title}
+will include at most the first 10 characters of the pane title.
.Pp
The following variables are available, where appropriate:
.Bl -column "XXXXXXXXXXXXXXXXXXX" "XXXXX"
On Fri, Aug 02, 2013 at 11:57:34AM -0400, Naseer Ahmed wrote:
> This option used to work on tmux-1.8, now it just shows the full title.
> set-option -gw window-status-format "#I:#20W#F"
> ------------------------------------------------------------------------------
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