draw_formatted(struct view *view, enum line_type type, const char *format, ...)
{
char text[SIZEOF_STR];
int retval;
FORMAT_BUFFER(text, sizeof(text), format, retval, TRUE);
return retval >= 0 ? draw_text(view, type, text) : VIEW_MAX_LEN(view) <= 0;
}
enum status_code
success(const char *msg, ...)
{
int retval;
FORMAT_BUFFER(status_custom_message, sizeof(status_custom_message), msg, retval, true);
status_success_message = true;
return SUCCESS;
}
enum status_code
error(const char *msg, ...)
{
int retval;
FORMAT_BUFFER(status_custom_message, sizeof(status_custom_message), msg, retval, true);
status_success_message = false;
return ERROR_CUSTOM_MESSAGE;
}
string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...)
{
size_t pos = bufpos ? *bufpos : 0;
int retval;
FORMAT_BUFFER(buf + pos, bufsize - pos, fmt, retval, false);
if (bufpos && retval > 0)
*bufpos = pos + retval;
return pos >= bufsize ? false : true;
}
bool
io_printf(struct io *io, const char *fmt, ...)
{
char buf[SIZEOF_STR] = "";
int retval;
FORMAT_BUFFER(buf, sizeof(buf), fmt, retval, FALSE);
if (retval < 0) {
io->error = ENAMETOOLONG;
return FALSE;
}
return io_write(io, buf, retval);
}
static bool
check_file_mtime(time_t *last_modified, const char *path_fmt, ...)
{
char path[SIZEOF_STR];
struct stat stat;
int retval;
bool has_changed = !!*last_modified;
FORMAT_BUFFER(path, sizeof(path), path_fmt, retval, false);
if (retval < 0 ||
lstat(path, &stat) < 0 ||
stat.st_mtime <= *last_modified)
return false;
*last_modified = stat.st_mtime;
return has_changed;
}
bool
io_open(struct io *io, const char *fmt, ...)
{
char name[SIZEOF_STR] = "";
int retval;
io_init(io);
FORMAT_BUFFER(name, sizeof(name), fmt, retval, FALSE);
if (retval < 0) {
io->error = ENAMETOOLONG;
return FALSE;
}
io->pipe = *name ? open(name, O_RDONLY) : dup(STDIN_FILENO);
if (io->pipe == -1)
io->error = errno;
return io->pipe != -1;
}
void
report(const char *msg, ...)
{
struct view *view = display[current_view];
va_list args;
if (!view) {
char buf[SIZEOF_STR];
int retval;
FORMAT_BUFFER(buf, sizeof(buf), msg, retval, TRUE);
die("%s", buf);
}
va_start(args, msg);
if (update_status_window(view, msg, args))
wnoutrefresh(status_win);
va_end(args);
update_view_title(view);
}
/* Update status and title window. */
void
report(const char *msg, ...)
{
struct view *view = display[current_view];
if (input_mode)
return;
if (!view) {
char buf[SIZEOF_STR];
int retval;
FORMAT_BUFFER(buf, sizeof(buf), msg, retval, TRUE);
die("%s", buf);
}
if (!status_empty || *msg) {
va_list args;
va_start(args, msg);
wmove(status_win, 0, 0);
if (view->has_scrolled && use_scroll_status_wclear)
wclear(status_win);
if (*msg) {
vwprintw(status_win, msg, args);
status_empty = FALSE;
} else {
status_empty = TRUE;
}
wclrtoeol(status_win);
wnoutrefresh(status_win);
va_end(args);
}
update_view_title(view);
}
