+/**
+ * Return the filename, turning any newlines into '?'s. This ensures that
+ * outputting it on a line of its own cannot generate an empty line. This
+ * function can handle only 2 names at a time!
+ **/
+const char *safe_fname(const char *fname)
+{
+ static char fbuf1[MAXPATHLEN], fbuf2[MAXPATHLEN];
+ static char *fbuf = fbuf2;
+ char *nl = strchr(fname, '\n');
+
+ if (!nl)
+ return fname;
+
+ fbuf = fbuf == fbuf1 ? fbuf2 : fbuf1;
+ strlcpy(fbuf, fname, MAXPATHLEN);
+ nl = fbuf + (nl - (char *)fname);
+ do {
+ *nl = '?';
+ } while ((nl = strchr(nl+1, '\n')) != NULL);
+
+ return fbuf;
+}
+