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gutf8: Clarify position of end returned from g_utf8_validate()

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It wasn’t previously clear (to me) whether `end` was returned pointing
to the nul terminator, or to the byte immediately preceding it. Try and
clarify that.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>
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Philip Withnall 2024-09-25 12:57:18 +01:00
parent 7302c04e32
commit f8ba505dc1
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1 changed files with 4 additions and 3 deletions
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7
glib/gutf8.c
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@ -1747,9 +1747,10 @@ fast_validate_len (const char *str,
* @str is the text to validate; if @str is nul-terminated, then @max_len can be * @str is the text to validate; if @str is nul-terminated, then @max_len can be
* `-1`, otherwise @max_len should be the number of bytes to validate. * `-1`, otherwise @max_len should be the number of bytes to validate.
* *
* If @end is non-`NULL`, then the end of the valid range will be stored there * If @end is non-`NULL`, then the end of the valid range will be stored there.
* (i.e. the start of the first invalid character if some bytes were invalid, * This is the first byte of the first invalid character if some bytes were
* or the end of the text being validated otherwise). * invalid, or the end of the text being validated otherwise — either the
* trailing nul byte, or the first byte beyond @max_len (if it’s positive).
* *
* Note that `g_utf8_validate()` returns `FALSE` if @max_len is positive and * Note that `g_utf8_validate()` returns `FALSE` if @max_len is positive and
* any of the @max_len bytes are nul. * any of the @max_len bytes are nul.