char2uni.3x

Langue: en

Autres versions - même langue

Version: libAfterImage v.1.18 (fedora - 04/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

char2uni - handling on Unicode, UTF-8 and localized 8 bit encodings libAfterImage/CHAR_SIZE

NAMECHAR_SIZE

- Convinient macro so we can transparently determine the number of bytes that character spans. It assumes UTF-8 encoding when I18N is enabled.

SOURCE

Source : 
 /* size of the UTF-8 encoded character is based on value of 
  * the first byte : */
 #define UTF8_CHAR_SIZE(c)   ((((c)&0xC0)==0xC0)?                              (((c)&0x20)?                              (((c)&0x10)?                              (((c)&0x08)?                              (((c)&0x04)?6:5):4):3):2):1)
 #ifdef WIN32
 #define UNICODE_CHAR_SIZE(c)    sizeof(UNICODE_CHAR)
 #endif
 #define CHAR_SIZE(c)            1