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Drop support for popups where the content is provided directly to tmux 

(which does not have many practical uses) and only support running a
program in the popup. display-popup is now simpler and can accept
multiple arguments to avoid escaping problems (like the other commands).
pull/2599/head
nicm 2021-03-02 10:56:45 +00:00
parent de3a898e8a
commit c44750792a
10 changed files with 97 additions and 310 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
cmd-display-menu.c
View File

@ -18,6 +18,7 @@
#include <sys/types.h>
#include <paths.h>
#include <stdlib.h>
#include <string.h>
@ -50,10 +51,10 @@ const struct cmd_entry cmd_display_popup_entry = {
.name = "display-popup",
.alias = "popup",
.args = { "CEKc:d:h:R:t:w:x:y:", 0, -1 },
.usage = "[-CEK] [-c target-client] [-d start-directory] [-h height] "
"[-R shell-command] " CMD_TARGET_PANE_USAGE " [-w width] "
"[-x position] [-y position] [command line ...]",
.args = { "Cc:d:Eh:t:w:x:y:", 0, -1 },
.usage = "[-CE] [-c target-client] [-d start-directory] [-h height] "
CMD_TARGET_PANE_USAGE " [-w width] "
"[-x position] [-y position] [command]",
.target = { 't', CMD_FIND_PANE, 0 },
@ -325,13 +326,14 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_find_state *target = cmdq_get_target(item);
struct session *s = target->s;
struct client *tc = cmdq_get_target_client(item);
struct tty *tty = &tc->tty;
const char *value, *cmd = NULL, **lines = NULL;
const char *value, *shell[] = { NULL, NULL };
const char *shellcmd = NULL;
char *cwd, *cause;
int flags = 0;
u_int px, py, w, h, nlines = 0;
char *cwd, *cause, **argv = args->argv;
int flags = 0, argc = args->argc;
u_int px, py, w, h;
if (args_has(args, 'C')) {
server_client_clear_overlay(tc);
@ -340,17 +342,7 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
if (tc->overlay_draw != NULL)
return (CMD_RETURN_NORMAL);
if (args->argc >= 1)
cmd = args->argv[0];
if (args->argc >= 2) {
lines = (const char **)args->argv + 1;
nlines = args->argc - 1;
}
if (nlines != 0)
h = popup_height(nlines, lines) + 2;
else
h = tty->sy / 2;
h = tty->sy / 2;
if (args_has(args, 'h')) {
h = args_percentage(args, 'h', 1, tty->sy, tty->sy, &cause);
if (cause != NULL) {
@ -360,10 +352,7 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
}
}
if (nlines != 0)
w = popup_width(item, nlines, lines, tc, target) + 2;
else
w = tty->sx / 2;
w = tty->sx / 2;
if (args_has(args, 'w')) {
w = args_percentage(args, 'w', 1, tty->sx, tty->sx, &cause);
if (cause != NULL) {
@ -384,20 +373,26 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
if (value != NULL)
cwd = format_single_from_target(item, value);
else
cwd = xstrdup(server_client_get_cwd(tc, target->s));
cwd = xstrdup(server_client_get_cwd(tc, s));
if (argc == 0)
shellcmd = options_get_string(s->options, "default-command");
else if (argc == 1)
shellcmd = argv[0];
if (argc <= 1 && (shellcmd == NULL || *shellcmd == '\0')) {
shellcmd = NULL;
shell[0] = options_get_string(s->options, "default-shell");
if (!checkshell(shell[0]))
shell[0] = _PATH_BSHELL;
argc = 1;
argv = (char**)shell;
}
value = args_get(args, 'R');
if (value != NULL)
shellcmd = format_single_from_target(item, value);
if (args_has(args, 'K'))
flags |= POPUP_WRITEKEYS;
if (args_has(args, 'E') > 1)
flags |= POPUP_CLOSEEXITZERO;
else if (args_has(args, 'E'))
flags |= POPUP_CLOSEEXIT;
if (popup_display(flags, item, px, py, w, h, nlines, lines, shellcmd,
cmd, cwd, tc, target, NULL, NULL) != 0)
if (popup_display(flags, item, px, py, w, h, shellcmd, argc, argv, cwd,
tc, s, NULL, NULL) != 0)
return (CMD_RETURN_NORMAL);
return (CMD_RETURN_WAIT);
}

2
cmd-if-shell.c
View File

@ -128,7 +128,7 @@ cmd_if_shell_exec(struct cmd *self, struct cmdq_item *item)
cdata->input.c->references++;
cmd_find_copy_state(&cdata->input.fs, target);
if (job_run(shellcmd, s,
if (job_run(shellcmd, 0, NULL, s,
server_client_get_cwd(cmdq_get_client(item), s), NULL,
cmd_if_shell_callback, cmd_if_shell_free, cdata, 0, -1,
-1) == NULL) {

2
cmd-run-shell.c
View File

@ -174,7 +174,7 @@ cmd_run_shell_timer(__unused int fd, __unused short events, void* arg)
enum cmd_parse_status status;
if (cmd != NULL && cdata->shell) {
if (job_run(cmd, cdata->s, cdata->cwd, NULL,
if (job_run(cmd, 0, NULL, cdata->s, cdata->cwd, NULL,
cmd_run_shell_callback, cmd_run_shell_free, cdata,
cdata->flags, -1, -1) == NULL)
cmd_run_shell_free(cdata);

2
format.c
View File

@ -394,7 +394,7 @@ format_job_get(struct format_expand_state *es, const char *cmd)
if (force && fj->job != NULL)
job_free(fj->job);
if (force || (fj->job == NULL && fj->last != t)) {
fj->job = job_run(expanded, NULL,
fj->job = job_run(expanded, 0, NULL, NULL,
server_client_get_cwd(ft->client, NULL), format_job_update,
format_job_complete, NULL, fj, JOB_NOWAIT, -1, -1);
if (fj->job == NULL) {

46
job.c
View File

@ -68,19 +68,20 @@ struct job {
/* All jobs list. */
static LIST_HEAD(joblist, job) all_jobs = LIST_HEAD_INITIALIZER(all_jobs);
/* Start a job running, if it isn't already. */
/* Start a job running. */
struct job *
job_run(const char *cmd, struct session *s, const char *cwd,
job_update_cb updatecb, job_complete_cb completecb, job_free_cb freecb,
void *data, int flags, int sx, int sy)
job_run(const char *cmd, int argc, char **argv, struct session *s,
const char *cwd, job_update_cb updatecb, job_complete_cb completecb,
job_free_cb freecb, void *data, int flags, int sx, int sy)
{
struct job *job;
struct environ *env;
pid_t pid;
int nullfd, out[2], master;
const char *home;
sigset_t set, oldset;
struct winsize ws;
struct job *job;
struct environ *env;
pid_t pid;
int nullfd, out[2], master;
const char *home;
sigset_t set, oldset;
struct winsize ws;
char **argvp;
/*
* Do not set TERM during .tmux.conf, it is nice to be able to use
@ -101,7 +102,13 @@ job_run(const char *cmd, struct session *s, const char *cwd,
goto fail;
pid = fork();
}
log_debug("%s: cmd=%s, cwd=%s", __func__, cmd, cwd == NULL ? "" : cwd);
if (cmd == NULL) {
cmd_log_argv(argc, argv, "%s:", __func__);
log_debug("%s: cwd=%s", __func__, cwd == NULL ? "" : cwd);
} else {
log_debug("%s: cmd=%s, cwd=%s", __func__, cmd,
cwd == NULL ? "" : cwd);
}
switch (pid) {
case -1:
@ -141,8 +148,14 @@ job_run(const char *cmd, struct session *s, const char *cwd,
}
closefrom(STDERR_FILENO + 1);
execl(_PATH_BSHELL, "sh", "-c", cmd, (char *) NULL);
fatal("execl failed");
if (cmd != NULL) {
execl(_PATH_BSHELL, "sh", "-c", cmd, (char *) NULL);
fatal("execl failed");
} else {
argvp = cmd_copy_argv(argc, argv);
execvp(argvp[0], argvp);
fatal("execvp failed");
}
}
sigprocmask(SIG_SETMASK, &oldset, NULL);
@ -152,7 +165,10 @@ job_run(const char *cmd, struct session *s, const char *cwd,
job->state = JOB_RUNNING;
job->flags = flags;
job->cmd = xstrdup(cmd);
if (cmd != NULL)
job->cmd = xstrdup(cmd);
else
job->cmd = cmd_stringify_argv(argc, argv);
job->pid = pid;
job->status = 0;

207
popup.c
View File

@ -32,13 +32,7 @@ struct popup_data {
struct cmdq_item *item;
int flags;
char **lines;
u_int nlines;
char *cmd;
struct cmd_find_state fs;
struct screen s;
struct job *job;
struct input_ctx *ictx;
int status;
@ -105,54 +99,11 @@ popup_init_ctx_cb(struct screen_write_ctx *ctx, struct tty_ctx *ttyctx)
ttyctx->arg = pd;
}
static void
popup_write_screen(struct client *c, struct popup_data *pd)
{
struct cmdq_item *item = pd->item;
struct screen_write_ctx ctx;
char *copy, *next, *loop, *tmp;
struct format_tree *ft;
u_int i, y;
ft = format_create(c, item, FORMAT_NONE, 0);
if (cmd_find_valid_state(&pd->fs))
format_defaults(ft, c, pd->fs.s, pd->fs.wl, pd->fs.wp);
else
format_defaults(ft, c, NULL, NULL, NULL);
screen_write_start(&ctx, &pd->s);
screen_write_clearscreen(&ctx, 8);
y = 0;
for (i = 0; i < pd->nlines; i++) {
if (y == pd->sy - 2)
break;
copy = next = xstrdup(pd->lines[i]);
while ((loop = strsep(&next, "\n")) != NULL) {
if (y == pd->sy - 2)
break;
tmp = format_expand(ft, loop);
screen_write_cursormove(&ctx, 0, y, 0);
format_draw(&ctx, &grid_default_cell, pd->sx - 2, tmp,
NULL);
free(tmp);
y++;
}
free(copy);
}
format_free(ft);
screen_write_cursormove(&ctx, 0, y, 0);
screen_write_stop(&ctx);
}
static struct screen *
popup_mode_cb(struct client *c, u_int *cx, u_int *cy)
{
struct popup_data *pd = c->overlay_data;
if (pd->ictx == NULL)
return (0);
*cx = pd->px + 1 + pd->s.cx;
*cy = pd->py + 1 + pd->s.cy;
return (&pd->s);
@ -200,14 +151,12 @@ popup_free_cb(struct client *c)
{
struct popup_data *pd = c->overlay_data;
struct cmdq_item *item = pd->item;
u_int i;
if (pd->cb != NULL)
pd->cb(pd->status, pd->arg);
if (item != NULL) {
if (pd->ictx != NULL &&
cmdq_get_client(item) != NULL &&
if (cmdq_get_client(item) != NULL &&
cmdq_get_client(item)->session == NULL)
cmdq_get_client(item)->retval = pd->status;
cmdq_continue(item);
@ -216,15 +165,9 @@ popup_free_cb(struct client *c)
if (pd->job != NULL)
job_free(pd->job);
if (pd->ictx != NULL)
input_free(pd->ictx);
for (i = 0; i < pd->nlines; i++)
free(pd->lines[i]);
free(pd->lines);
input_free(pd->ictx);
screen_free(&pd->s);
free(pd->cmd);
free(pd);
}
@ -263,9 +206,7 @@ popup_handle_drag(struct client *c, struct popup_data *pd,
pd->sy = m->y - pd->py;
screen_resize(&pd->s, pd->sx - 2, pd->sy - 2, 0);
if (pd->ictx == NULL)
popup_write_screen(c, pd);
else if (pd->job != NULL)
if (pd->job != NULL)
job_resize(pd->job, pd->sx - 2, pd->sy - 2);
server_redraw_client(c);
}
@ -276,13 +217,8 @@ popup_key_cb(struct client *c, struct key_event *event)
{
struct popup_data *pd = c->overlay_data;
struct mouse_event *m = &event->m;
struct cmd_find_state *fs = &pd->fs;
struct format_tree *ft;
const char *cmd, *buf;
const char *buf;
size_t len;
struct cmdq_state *state;
enum cmd_parse_status status;
char *error;
if (KEYC_IS_MOUSE(event->key)) {
if (pd->dragging != OFF) {
@ -314,13 +250,11 @@ popup_key_cb(struct client *c, struct key_event *event)
}
}
if (pd->ictx != NULL && (pd->flags & POPUP_WRITEKEYS)) {
if (((pd->flags & (POPUP_CLOSEEXIT|POPUP_CLOSEEXITZERO)) == 0 ||
pd->job == NULL) &&
(event->key == '\033' || event->key == '\003'))
return (1);
if (pd->job == NULL)
return (0);
if ((((pd->flags & (POPUP_CLOSEEXIT|POPUP_CLOSEEXITZERO)) == 0) ||
pd->job == NULL) &&
(event->key == '\033' || event->key == '\003'))
return (1);
if (pd->job != NULL) {
if (KEYC_IS_MOUSE(event->key)) {
/* Must be inside, checked already. */
if (!input_key_get_mouse(&pd->s, m, m->x - pd->px - 1,
@ -330,40 +264,8 @@ popup_key_cb(struct client *c, struct key_event *event)
return (0);
}
input_key(&pd->s, job_get_event(pd->job), event->key);
return (0);
}
if (pd->cmd == NULL)
return (1);
ft = format_create(NULL, pd->item, FORMAT_NONE, 0);
if (cmd_find_valid_state(fs))
format_defaults(ft, c, fs->s, fs->wl, fs->wp);
else
format_defaults(ft, c, NULL, NULL, NULL);
format_add(ft, "popup_key", "%s", key_string_lookup_key(event->key, 0));
if (KEYC_IS_MOUSE(event->key)) {
format_add(ft, "popup_mouse", "1");
format_add(ft, "popup_mouse_x", "%u", m->x - pd->px);
format_add(ft, "popup_mouse_y", "%u", m->y - pd->py);
}
cmd = format_expand(ft, pd->cmd);
format_free(ft);
if (pd->item != NULL)
event = cmdq_get_event(pd->item);
else
event = NULL;
state = cmdq_new_state(&pd->fs, event, 0);
status = cmd_parse_and_append(cmd, NULL, c, state, &error);
if (status == CMD_PARSE_ERROR) {
cmdq_append(c, cmdq_get_error(error));
free(error);
}
cmdq_free_state(state);
return (1);
return (0);
out:
pd->lx = m->x;
@ -416,62 +318,12 @@ popup_job_complete_cb(struct job *job)
server_client_clear_overlay(pd->c);
}
u_int
popup_height(u_int nlines, const char **lines)
{
char *copy, *next, *loop;
u_int i, height = 0;
for (i = 0; i < nlines; i++) {
copy = next = xstrdup(lines[i]);
while ((loop = strsep(&next, "\n")) != NULL)
height++;
free(copy);
}
return (height);
}
u_int
popup_width(struct cmdq_item *item, u_int nlines, const char **lines,
struct client *c, struct cmd_find_state *fs)
{
char *copy, *next, *loop, *tmp;
struct format_tree *ft;
u_int i, width = 0, tmpwidth;
ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
if (fs != NULL && cmd_find_valid_state(fs))
format_defaults(ft, c, fs->s, fs->wl, fs->wp);
else
format_defaults(ft, c, NULL, NULL, NULL);
for (i = 0; i < nlines; i++) {
copy = next = xstrdup(lines[i]);
while ((loop = strsep(&next, "\n")) != NULL) {
tmp = format_expand(ft, loop);
tmpwidth = format_width(tmp);
if (tmpwidth > width)
width = tmpwidth;
free(tmp);
}
free(copy);
}
format_free(ft);
return (width);
}
int
popup_display(int flags, struct cmdq_item *item, u_int px, u_int py, u_int sx,
u_int sy, u_int nlines, const char **lines, const char *shellcmd,
const char *cmd, const char *cwd, struct client *c,
struct cmd_find_state *fs, popup_close_cb cb, void *arg)
u_int sy, const char *shellcmd, int argc, char **argv, const char *cwd,
struct client *c, struct session *s, popup_close_cb cb, void *arg)
{
struct popup_data *pd;
u_int i;
struct session *s;
int jobflags;
if (sx < 3 || sy < 3)
return (-1);
@ -489,39 +341,17 @@ popup_display(int flags, struct cmdq_item *item, u_int px, u_int py, u_int sx,
pd->arg = arg;
pd->status = 128 + SIGHUP;
if (fs != NULL)
cmd_find_copy_state(&pd->fs, fs);
screen_init(&pd->s, sx - 2, sy - 2, 0);
if (cmd != NULL)
pd->cmd = xstrdup(cmd);
pd->px = px;
pd->py = py;
pd->sx = sx;
pd->sy = sy;
pd->nlines = nlines;
if (pd->nlines != 0)
pd->lines = xreallocarray(NULL, pd->nlines, sizeof *pd->lines);
for (i = 0; i < pd->nlines; i++)
pd->lines[i] = xstrdup(lines[i]);
popup_write_screen(c, pd);
if (shellcmd != NULL) {
if (fs != NULL)
s = fs->s;
else
s = NULL;
jobflags = JOB_NOWAIT|JOB_PTY;
if (flags & POPUP_WRITEKEYS)
jobflags |= JOB_KEEPWRITE;
pd->job = job_run(shellcmd, s, cwd, popup_job_update_cb,
popup_job_complete_cb, NULL, pd, jobflags, pd->sx - 2,
pd->sy - 2);
pd->ictx = input_init(NULL, job_get_event(pd->job));
}
pd->job = job_run(shellcmd, argc, argv, s, cwd,
popup_job_update_cb, popup_job_complete_cb, NULL, pd,
JOB_NOWAIT|JOB_PTY|JOB_KEEPWRITE, pd->sx - 2, pd->sy - 2);
pd->ictx = input_init(NULL, job_get_event(pd->job));
server_client_set_overlay(c, 0, popup_check_cb, popup_mode_cb,
popup_draw_cb, popup_key_cb, popup_free_cb, pd);
@ -607,9 +437,8 @@ popup_editor(struct client *c, const char *buf, size_t len,
py = (c->tty.sy / 2) - (sy / 2);
xasprintf(&cmd, "%s %s", editor, path);
if (popup_display(POPUP_WRITEKEYS|POPUP_CLOSEEXIT, NULL, px, py, sx, sy,
0, NULL, cmd, NULL, _PATH_TMP, c, NULL, popup_editor_close_cb,
pe) != 0) {
if (popup_display(POPUP_CLOSEEXIT, NULL, px, py, sx, sy, cmd, 0, NULL,
_PATH_TMP, c, NULL, popup_editor_close_cb, pe) != 0) {
popup_editor_free(pe);
free(cmd);
return (-1);

5
spawn.c
View File

@ -265,8 +265,9 @@ spawn_pane(struct spawn_context *sc, char **cause)
}
/*
* Now we have a pane with nothing running in it ready for the new process.
* Work out the command and arguments and store the working directory.
* Now we have a pane with nothing running in it ready for the new
* process. Work out the command and arguments and store the working
* directory.
*/
if (sc->argc == 0 && (~sc->flags & SPAWN_RESPAWN)) {
cmd = options_get_string(s->options, "default-command");

61
tmux.1
View File

@ -4923,9 +4923,6 @@ The following variables are available, where appropriate:
.It Li "pane_tty" Ta "" Ta "Pseudo terminal of pane"
.It Li "pane_width" Ta "" Ta "Width of pane"
.It Li "pid" Ta "" Ta "Server PID"
.It Li "popup_key" Ta "" Ta "Key pressed in popup"
.It Li "popup_mouse_x" Ta "" Ta "Mouse X position in popup"
.It Li "popup_mouse_y" Ta "" Ta "Mouse Y position in popup"
.It Li "rectangle_toggle" Ta "" Ta "1 if rectangle selection is activated"
.It Li "scroll_position" Ta "" Ta "Scroll position in copy mode"
.It Li "scroll_region_lower" Ta "" Ta "Bottom of scroll region in pane"
@ -5584,58 +5581,24 @@ lists the format variables and their values.
forwards any input read from stdin to the empty pane given by
.Ar target-pane .
.It Xo Ic display-popup
.Op Fl CEK
.Op Fl CE
.Op Fl c Ar target-client
.Op Fl d Ar start-directory
.Op Fl h Ar height
.Op Fl R Ar shell-command
.Op Fl t Ar target-pane
.Op Fl w Ar width
.Op Fl x Ar position
.Op Fl y Ar position
.Op Ar command Ar line Ar ...
.Op Ar shell-command
.Xc
.D1 (alias: Ic popup )
Display a popup on
Display a popup running
.Ar shell-command
on
.Ar target-client .
A popup is a rectangular box drawn over the top of any panes.
Panes are not updated while a popup is present.
The popup content may be given in two ways:
.Bl -enum -offset Ds
.It
A set of lines as arguments.
Each line is a format which is expanded using
.Ar target-pane
as the target.
If a line contains newlines it is split into multiple lines.
Lines may use styles, see the
.Sx STYLES
section.
.It
A shell command given by
.Fl R
which is run and any output shown in the pane.
.El
.Pp
The first argument,
.Ar command ,
is a
.Nm
command which is run when a key is pressed.
The key is available in the
.Ql popup_key
format.
After
.Ar command
is run, the popup is closed.
It may be empty to discard any key presses.
If
.Fl K
is given together with
.Fl R ,
key presses are instead passed to the
.Fl R
shell command.
.Fl E
closes the popup automatically when
.Ar shell-command
@ -5645,14 +5608,6 @@ Two
closes the popup only if
.Ar shell-command
exited with success.
With
.Fl K ,
.Ql Escape
and
.Ql C-c
close the popup unless
.Fl E
is also given.
.Pp
.Fl x
and
@ -5665,11 +5620,7 @@ and
.Fl h
give the width and height - both may be a percentage (followed by
.Ql % ) .
If omitted, without
.Fl R
they are calculated from the given lines and with
.Fl R
they use half the terminal size.
If omitted, half of the terminal size is used.
.Pp
The
.Fl C

19
tmux.h
View File

@ -2067,9 +2067,9 @@ typedef void (*job_free_cb) (void *);
#define JOB_NOWAIT 0x1
#define JOB_KEEPWRITE 0x2
#define JOB_PTY 0x4
struct job *job_run(const char *, struct session *, const char *,
job_update_cb, job_complete_cb, job_free_cb, void *, int,
int, int);
struct job *job_run(const char *, int, char **, struct session *,
const char *, job_update_cb, job_complete_cb, job_free_cb,
void *, int, int, int);
void job_free(struct job *);
void job_resize(struct job *, u_int, u_int);
void job_check_died(pid_t, int);
@ -3038,18 +3038,13 @@ int menu_display(struct menu *, int, struct cmdq_item *, u_int,
menu_choice_cb, void *);
/* popup.c */
#define POPUP_WRITEKEYS 0x1
#define POPUP_CLOSEEXIT 0x2
#define POPUP_CLOSEEXITZERO 0x4
#define POPUP_CLOSEEXIT 0x1
#define POPUP_CLOSEEXITZERO 0x2
typedef void (*popup_close_cb)(int, void *);
typedef void (*popup_finish_edit_cb)(char *, size_t, void *);
u_int popup_width(struct cmdq_item *, u_int, const char **,
struct client *, struct cmd_find_state *);
u_int popup_height(u_int, const char **);
int popup_display(int, struct cmdq_item *, u_int, u_int, u_int,
u_int, u_int, const char **, const char *, const char *,
const char *, struct client *, struct cmd_find_state *,
popup_close_cb, void *);
u_int, const char *, int, char **, const char *,
struct client *, struct session *, popup_close_cb, void *);
int popup_editor(struct client *, const char *, size_t,
popup_finish_edit_cb, void *);

4
window-copy.c
View File

@ -3963,8 +3963,8 @@ window_copy_pipe_run(struct window_mode_entry *wme, struct session *s,
if (cmd == NULL || *cmd == '\0')
cmd = options_get_string(global_options, "copy-command");
if (cmd != NULL && *cmd != '\0') {
job = job_run(cmd, s, NULL, NULL, NULL, NULL, NULL, JOB_NOWAIT,
-1, -1);
job = job_run(cmd, 0, NULL, s, NULL, NULL, NULL, NULL, NULL,
JOB_NOWAIT, -1, -1);
bufferevent_write(job_get_event(job), buf, *len);
}
return (buf);