void command_fail(struct command *cmd, const char *fmt, ...)
{
char *quote, *error;
struct json_connection *jcon = cmd->jcon;
va_list ap;
if (!jcon) {
log_unusual(cmd->dstate->base_log,
"Command failed after jcon close");
tal_free(cmd);
return;
}
va_start(ap, fmt);
error = tal_vfmt(cmd, fmt, ap);
va_end(ap);
log_debug(jcon->log, "Failing: %s", error);
/* Remove " */
while ((quote = strchr(error, '"')) != NULL)
*quote = '\'';
/* Now surround in quotes. */
quote = tal_fmt(cmd, "\"%s\"", error);
assert(jcon->current == cmd);
json_result(jcon, cmd->id, "null", quote);
jcon->current = tal_free(cmd);
}
PRINTF_FMT(2,3) static void attempt_failed_fmt(struct pay_command *pc, const char *fmt, ...)
{
struct pay_attempt *attempt = current_attempt(pc);
va_list ap;
va_start(ap,fmt);
attempt->failure = tal_vfmt(pc->ps->attempts, fmt, ap);
attempt->end = time_now();
va_end(ap);
}
Pkt *pkt_err(struct peer *peer, const char *msg, ...)
{
Error *e = tal(peer, Error);
va_list ap;
error__init(e);
va_start(ap, msg);
e->problem = tal_vfmt(e, msg, ap);
va_end(ap);
return make_pkt(peer, PKT__PKT_ERROR, e);
}
lines_from_cmd(const void *ctx, const char *format, ...)
{
va_list ap;
char *cmd;
FILE *p;
struct rbuf in;
va_start(ap, format);
cmd = tal_vfmt(ctx, format, ap);
va_end(ap);
p = popen(cmd, "r");
if (!p)
err(1, "Executing '%s'", cmd);
/* FIXME: Use rbuf_read_str(&in, '\n') rather than strsplit! */
rbuf_init(&in, fileno(p), tal_arr(ctx, char, 0), 0);
if (!rbuf_read_str(&in, 0, do_tal_realloc) && errno)
err(1, "Reading from '%s'", cmd);
pclose(p);
return tal_strsplit(ctx, in.buf, "\n", STR_EMPTY_OK);
}