titlebar: always pass a pathname through display_string()

So that embedded control characters will be represented
instead of acted upon.

This fixes the first part of https://savannah.gnu.org/bugs/?49867.
This commit is contained in:
Benno Schulenberg 2016-12-17 21:54:36 +01:00
parent 40acb8714c
commit dfff78dffe

View File

@ -1969,8 +1969,8 @@ void titlebar(const char *path)
/* What is shown before the path -- "File:", "DIR:", or "". */
const char *state = "";
/* The state of the current buffer -- "Modified", "View", or "". */
char *fragment;
/* The tail part of the pathname when dottified. */
char *caption;
/* The presentable form of the pathname. */
/* If the screen is too small, there is no titlebar. */
if (topwin == NULL)
@ -2049,14 +2049,16 @@ void titlebar(const char *path)
wmove(topwin, 0, offset);
/* Print the full path if there's room; otherwise, dottify it. */
if (pathlen + pluglen + statelen <= COLS)
waddstr(topwin, path);
else if (5 + statelen <= COLS) {
if (pathlen + pluglen + statelen <= COLS) {
caption = display_string(path, 0, pathlen, FALSE);
waddstr(topwin, caption);
free(caption);
} else if (5 + statelen <= COLS) {
waddstr(topwin, "...");
fragment = display_string(path, 3 + pathlen - COLS + statelen,
caption = display_string(path, 3 + pathlen - COLS + statelen,
COLS - statelen, FALSE);
waddstr(topwin, fragment);
free(fragment);
waddstr(topwin, caption);
free(caption);
}
/* Right-align the state if there's room; otherwise, trim it. */