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Add belt and braces check of PyString_AsString return.

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Andrew McNamara 2005-01-12 01:16:35 +00:00
parent 1b6f398c98
commit cf0fd5ab29
1 changed files with 5 additions and 4 deletions
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9
Modules/_csv.c
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@ -1098,6 +1098,7 @@ static int
join_append_lineterminator(WriterObj *self)
{
int terminator_len;
char *terminator;
terminator_len = PyString_Size(self->dialect->lineterminator);
@ -1105,10 +1106,10 @@ join_append_lineterminator(WriterObj *self)
if (!join_check_rec_size(self, self->rec_len + terminator_len))
return 0;
memmove(self->rec + self->rec_len,
/* should not be NULL */
PyString_AsString(self->dialect->lineterminator),
terminator_len);
terminator = PyString_AsString(self->dialect->lineterminator);
if (terminator == NULL)
return 0;
memmove(self->rec + self->rec_len, terminator, terminator_len);
self->rec_len += terminator_len;
return 1;