diff options
Diffstat (limited to 'string/strxfrm.c')
| -rw-r--r-- | string/strxfrm.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/string/strxfrm.c b/string/strxfrm.c index 7ddc5f3f81..dd0ad67835 100644 --- a/string/strxfrm.c +++ b/string/strxfrm.c @@ -46,24 +46,11 @@ #ifndef WIDE_CHAR_VERSION -/* These are definitions used by some of the functions for handling - UTF-8 encoding below. */ -static const uint32_t encoding_mask[] = -{ - ~0x7ff, ~0xffff, ~0x1fffff, ~0x3ffffff -}; - -static const unsigned char encoding_byte[] = -{ - 0xc0, 0xe0, 0xf0, 0xf8, 0xfc -}; - /* We need UTF-8 encoding of numbers. */ static inline int utf8_encode (char *buf, int val) { - char *startp = buf; int retval; if (val < 0x80) @@ -76,11 +63,11 @@ utf8_encode (char *buf, int val) int step; for (step = 2; step < 6; ++step) - if ((val & encoding_mask[step - 2]) == 0) + if ((val & (~(uint32_t)0 << (5 * step + 1))) == 0) break; retval = step; - *buf = encoding_byte[step - 2]; + *buf = (unsigned char) (~0xff >> step); --step; do { @@ -91,7 +78,7 @@ utf8_encode (char *buf, int val) *buf |= val; } - return buf - startp; + return retval; } #endif |