19         self.0.len()  in len()
25         self.len() == 0  in is_empty()
47     /// assert_eq!(s.as_bytes(), "\\xf0\\x9f\\xa6\\x80".as_bytes());
51         for &b in &self.0 {  in fmt()
58                 0x20..=0x7e => f.write_char(b as char)?,  in fmt()
79     /// assert_eq!(s.as_bytes(), "\"\\xf0\\x9f\\x98\\xba\"".as_bytes());
84         for &b in &self.0 {  in fmt()
94                 0x20..=0x7e => f.write_char(b as char)?,  in fmt()
107         &self.0  in deref()
166         if self.0.is_empty() {  in len_with_nul()
172         self.0.len()  in len_with_nul()
178         self.len() == 0  in is_empty()
208         if bytes[bytes.len() - 1] != 0 {  in from_bytes_with_nul()
211         let mut i = 0;  in from_bytes_with_nul()
215             if bytes[i] == 0 {  in from_bytes_with_nul()
253         self.0.as_ptr()  in as_char_ptr()
259         &self.0[..self.len()]  in as_bytes()
265         &self.0  in as_bytes_with_nul()
278     /// let cstr = CStr::from_bytes_with_nul(b"foo\0")?;
328         self.0.make_ascii_lowercase();  in make_ascii_lowercase()
343         self.0.make_ascii_uppercase();  in make_ascii_uppercase()
391     /// assert_eq!(s.as_bytes_with_nul(), "\\xf0\\x9f\\x90\\xa7\0".as_bytes());
395     /// assert_eq!(s.as_bytes_with_nul(), "so \"cool\"\0".as_bytes());
400             if (0x20..0x7f).contains(&c) {  in fmt()
421     /// assert_eq!(s.as_bytes_with_nul(), "\"\\xf0\\x9f\\x90\\xa7\"\0".as_bytes());
426     /// assert_eq!(s.as_bytes_with_nul(), "\"so \\\"cool\\\"\"\0".as_bytes());
435                 0x20..=0x7e => f.write_char(c as char)?,  in fmt()
468         unsafe { Self::from_bytes_with_nul_unchecked(&self.0[index.start..]) }  in index()
520         const S: &str = concat!($str, "\0");
546             self.0.to_str().unwrap()  in deref()
562         \\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b\\x9c\\x9d\\x9e\\x9f\
572         let good_bytes = b"\xf0\x9f\xa6\x80\0";  in test_cstr_to_str()
581         let bad_bytes = b"\xc3\x28\0";  in test_cstr_to_str_panic()
588         let good_bytes = b"\xf0\x9f\x90\xA7\0";  in test_cstr_as_str_unchecked()
597         let hello_world = CStr::from_bytes_with_nul(b"hello, world!\0").unwrap();  in test_cstr_display()
599         let non_printables = CStr::from_bytes_with_nul(b"\x01\x09\x0a\0").unwrap();  in test_cstr_display()
601         let non_ascii = CStr::from_bytes_with_nul(b"d\xe9j\xe0 vu\0").unwrap();  in test_cstr_display()
603         let good_bytes = CStr::from_bytes_with_nul(b"\xf0\x9f\xa6\x80\0").unwrap();  in test_cstr_display()
604         assert_eq!(format!("{}", good_bytes), "\\xf0\\x9f\\xa6\\x80");  in test_cstr_display()
609         let mut bytes: [u8; 256] = [0; 256];  in test_cstr_display_all_bytes()
610         // fill `bytes` with [1..=255] + [0]  in test_cstr_display_all_bytes()
620         let hello_world = CStr::from_bytes_with_nul(b"hello, world!\0").unwrap();  in test_cstr_debug()
622         let non_printables = CStr::from_bytes_with_nul(b"\x01\x09\x0a\0").unwrap();  in test_cstr_debug()
624         let non_ascii = CStr::from_bytes_with_nul(b"d\xe9j\xe0 vu\0").unwrap();  in test_cstr_debug()
626         let good_bytes = CStr::from_bytes_with_nul(b"\xf0\x9f\xa6\x80\0").unwrap();  in test_cstr_debug()
627         assert_eq!(format!("{:?}", good_bytes), "\"\\xf0\\x9f\\xa6\\x80\"");  in test_cstr_debug()
640         let good_bytes = BStr::from_bytes(b"\xf0\x9f\xa6\x80");  in test_bstr_display()
641         assert_eq!(format!("{}", good_bytes), "\\xf0\\x9f\\xa6\\x80");  in test_bstr_display()
654         let good_bytes = BStr::from_bytes(b"\xf0\x9f\xa6\x80");  in test_bstr_debug()
655         assert_eq!(format!("{:?}", good_bytes), "\"\\xf0\\x9f\\xa6\\x80\"");  in test_bstr_debug()
680             beg: 0,  in new()
681             pos: 0,  in new()
682             end: 0,  in new()
734         // don't want it to wrap around to 0.  in write_str()
737         // Amount that we can copy. `saturating_sub` ensures we get 0 if `pos` goes past `end`.  in write_str()
740         if len_to_copy > 0 {  in write_str()
779         &self.0  in deref()
785         self.0.write_str(s)?;  in write_str()
788         if self.0.pos > self.0.end {  in write_str()
810 /// assert_eq!(s.as_bytes_with_nul(), "abc1020\0".as_bytes());
814 /// assert_eq!(s.as_bytes_with_nul(), "testing123\0".as_bytes());
817 /// let s = CString::try_from_fmt(fmt!("a\0b{}", 123));
831         f.write_str("\0")?;  in try_from_fmt()
839         f.write_str("\0")?;  in try_from_fmt()
849         let ptr = unsafe { bindings::memchr(buf.as_ptr().cast(), 0, f.bytes_written() - 1) };  in try_from_fmt()