From 40a08c7e9ab0ce2603a22ccacc02252bfa035b9f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Reimar=20D=C3=B6ffinger?= Date: Sun, 19 Nov 2006 09:43:26 +0000 Subject: [PATCH] Correct GET/PUT_UTF8 comment: the get/put functions might be called up to 7 times, though only up to 4 times for valid utf-8 values. Originally committed as revision 7124 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/common.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavutil/common.h b/libavutil/common.h index 9d4ea9565..41bbe8f63 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -308,7 +308,8 @@ static inline int ff_get_fourcc(const char *s){ * ucs-4 character and should be a left value. * \param GET_BYTE gets utf-8 encoded bytes from any proper source. It can be * a function or a statement whose return value or evaluated value is of type - * uint8_t. It will be executed up to 4 times. + * uint8_t. It will be executed up to 4 times for values in the valid utf-8 range, + * and up to 7 times in the general case. * \param ERROR action that should be taken when an invalid utf-8 byte is returned * from GET_BYTE. It should be a statement that jumps out of the macro, * like exit(), goto, return, break, or continue. @@ -340,7 +341,8 @@ static inline int ff_get_fourcc(const char *s){ * \param PUT_BYTE writes the converted utf-8 bytes to any proper destination. * It could be a function or a statement, and uses tmp as the input byte. * For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be - * executed up to 4 times, depending on the length of the converted + * executed up to 4 times for values in the valid utf-8 range and up to + * 7 times in the general case, depending on the length of the converted * unicode character. */ #define PUT_UTF8(val, tmp, PUT_BYTE)\ -- 2.11.0