Commit 40a08c7e authored by Reimar Döffinger's avatar Reimar Döffinger
Browse files

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
parent a99cfb0d
......@@ -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)\
......
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