/* Add the formatted string FORMAT to the debug line *LINE. */
void
_assuan_debug_add (assuan_context_t ctx, void **line, const char *format, ...)
{
va_list arg_ptr;
char *toadd;
char *result;
int res;
if (!*line)
return;
va_start (arg_ptr, format);
res = gpgrt_vasprintf (&toadd, format, arg_ptr);
va_end (arg_ptr);
if (res < 0)
{
free (*line);
*line = NULL;
}
res = gpgrt_asprintf (&result, "%s%s", *(char **) line, toadd);
free (toadd);
free (*line);
if (res < 0)
*line = NULL;
else
*line = result;
}
/* Log the formatted string FORMAT at debug category CAT higher. */
void
_assuan_debug (assuan_context_t ctx, unsigned int cat, const char *format, ...)
{
va_list arg_ptr;
int saved_errno;
char *msg;
int res;
/* vasprintf is an expensive operation thus we first check whether
the callback has enabled CAT for logging. */
if (!ctx
|| !ctx->log_cb
|| !(*ctx->log_cb) (ctx, ctx->log_cb_data, cat, NULL))
return;
saved_errno = errno;
va_start (arg_ptr, format);
res = gpgrt_vasprintf (&msg, format, arg_ptr);
va_end (arg_ptr);
if (res < 0)
return;
ctx->log_cb (ctx, ctx->log_cb_data, cat, msg);
free (msg);
gpg_err_set_errno (saved_errno);
}
/* Variable argument version of tty_get. The prompt is is actually a
format string with arguments. */
char *
tty_getf (const char *promptfmt, ... )
{
va_list arg_ptr;
char *prompt;
char *answer;
va_start (arg_ptr, promptfmt);
if (gpgrt_vasprintf (&prompt, promptfmt, arg_ptr) < 0)
log_fatal ("estream_vasprintf failed: %s\n", strerror (errno));
va_end (arg_ptr);
answer = tty_get (prompt);
xfree (prompt);
return answer;
}
/* Start a new debug line in *LINE, logged at level LEVEL or higher,
and starting with the formatted string FORMAT. */
void
_assuan_debug_begin (assuan_context_t ctx,
void **line, unsigned int cat, const char *format, ...)
{
va_list arg_ptr;
int res;
*line = NULL;
/* Probe if this wants to be logged based on category. */
if (! ctx
|| ! ctx->log_cb
|| ! (*ctx->log_cb) (ctx, ctx->log_cb_data, cat, NULL))
return;
va_start (arg_ptr, format);
res = gpgrt_vasprintf ((char **) line, format, arg_ptr);
va_end (arg_ptr);
if (res < 0)
*line = NULL;
}
