while ((c1 = *sub)) {
c1 = (isascii((unsigned char) c1) && isalpha((unsigned char) c1) &&
isupper((unsigned char) c1)) ? tolower((unsigned char) c1) : c1;
while ((c1 = *sub)) {
c1 = (isascii((unsigned char) c1) && isalpha((unsigned char) c1) &&
isupper((unsigned char) c1)) ? tolower((unsigned char) c1) : c1;
* by the number of "extra" bytes in this character. That's the
* character length (char_len) minus the column width (w).
*/
* by the number of "extra" bytes in this character. That's the
* character length (char_len) minus the column width (w).
*/
- case FT_STRLITZ: {
- size_t len = strlen (str);
-
- /* Don't want to emit part of an escape sequence. So if
- there isn't enough room in the buffer for the entire
- string, skip it completely. */
- if (cp - scanl + len + 1 < max) {
- for (sp = str; *sp; *cp++ = *sp++) continue;
-
- /* This string doesn't count against the width. So
- increase ep the same amount as cp, only if the
- scan buffer will always be large enough. */
- if (ep - scanl + len + 1 < max) {
- ep += len;
+ case FT_STRLITZ:
+ if (str) {
+ size_t len = strlen (str);
+
+ /* Don't want to emit part of an escape sequence. So if
+ there isn't enough room in the buffer for the entire
+ string, skip it completely. */
+ if (cp - scanl + len + 1 < max) {
+ for (sp = str; *sp; *cp++ = *sp++) continue;
+
+ /* This string doesn't count against the width.
+ So increase ep the same amount as cp, only if the
+ scan buffer will always be large enough. */
+ if (ep - scanl + len + 1 < max) {
+ ep += len;
+ }
there isn't enough room in the buffer for the entire
string, skip it completely. Need room for null
terminator, and maybe trailing newline (added below). */
there isn't enough room in the buffer for the entire
string, skip it completely. Need room for null
terminator, and maybe trailing newline (added below). */