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-rw-r--r--src/calcurse.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/calcurse.h b/src/calcurse.h
index 6642ae9..d7fa770 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -200,6 +200,14 @@
#define TOSTRING(x) STRINGIFY(x)
#define __FILE_POS__ __FILE__ ":" TOSTRING(__LINE__)
+#define UTF8_LENGTH(ch) ((unsigned char)ch >= 0xFC ? 6 : \
+ ((unsigned char)ch >= 0xF8 ? 5 : \
+ ((unsigned char)ch >= 0xF0 ? 4 : \
+ ((unsigned char)ch >= 0xE0 ? 3 : \
+ ((unsigned char)ch >= 0xC0 ? 2 : 1)))))
+#define UTF8_ISCONT(ch) ((unsigned char)ch >= 0x80 && \
+ (unsigned char)ch <= 0xBF)
+
#define MAX(x,y) ((x)>(y)?(x):(y))
#define MIN(x,y) ((x)<(y)?(x):(y))