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Introduce string_chars_for_width().

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Xavier G 2016-05-13 03:04:08 +02:00
commit 719efc44a3
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6
src/core/utf8.h
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@ -42,6 +42,12 @@ int string_length(const char *str, int policy);
*/
int string_width(const char *str, int policy);
/* Return the amount of characters from str it takes to reach n columns, or -1 if
* str is NULL. Optionally return the equivalent amount of bytes.
* If policy is -1, this function will call string_policy().
*/
int string_chars_for_width(const char *str, int policy, unsigned int n, unsigned int *bytes);
#define unichar_isprint(c) (((c) & ~0x80) >= 32)
#define is_utf8_leading(c) (((c) & 0xc0) != 0x80)