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Introduce string_length() and string_width().

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Xavier G 2016-05-13 02:47:26 +02:00
commit 35b3ccc6a4
2 changed files with 43 additions and 0 deletions
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9
src/core/utf8.h
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@ -33,6 +33,15 @@ int string_advance(char const **str, int policy);
*/
int string_policy(const char *str);
/* Return the length of the str string according to the given policy; if policy
* is -1, this function will call string_policy().
*/
int string_length(const char *str, int policy);
/* Return the screen width of the str string according to the given policy; if
* policy is -1, this function will call string_policy().
*/
int string_width(const char *str, int policy);
#define unichar_isprint(c) (((c) & ~0x80) >= 32)
#define is_utf8_leading(c) (((c) & 0xc0) != 0x80)