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Add a note in PyUnicode_CopyCharacters() doc: it doesn't write null character

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Cleanup also the code (avoid the goto).
This commit is contained in:
Victor Stinner 2011-09-29 14:14:38 +02:00
parent ff1ef074ed
commit a0702ab1fe
2 changed files with 47 additions and 44 deletions
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8
Include/unicodeobject.h
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@ -521,9 +521,9 @@ PyAPI_FUNC(int) _PyUnicode_Ready(
/* Copy character from one unicode object into another, this function performs
character conversion when necessary and falls back to memcpy if possible.
Fail if 'to' is smaller than how_many or smaller than len(from)-from_start,
or if kind(from[from_start:from_start+how_many]) > kind(to), or if to has
more than 1 reference.
Fail if to is too small (smaller than how_many or smaller than
len(from)-from_start), or if kind(from[from_start:from_start+how_many]) >
kind(to), or if to has more than 1 reference.
Return the number of written character, or return -1 and raise an exception
on error.
@ -533,6 +533,8 @@ PyAPI_FUNC(int) _PyUnicode_Ready(
how_many = min(how_many, len(from) - from_start)
to[to_start:to_start+how_many] = from[from_start:from_start+how_many]
return how_many
Note: The function doesn't write a terminating null character.
*/
#ifndef Py_LIMITED_API
PyAPI_FUNC(Py_ssize_t) PyUnicode_CopyCharacters(