Message415584
I'd bet we could add a couple of utility functions that could be used in multiple places, to keep the "trick" all in one place. Something like
void
_PyBytes_RepeatInPlace(char **buffer, size_t start_len, size_t end_len)
{
// Repeatedly double.
size_t copied = start_len;
while (copied < end_len) {
size_t to_copy = Py_MIN(copied, end_len - copied);
memcpy(buffer + copied, buffer, to_copy);
copied += to_copy;
}
}
void
_PyBytes_Repeat(char *dest, size_t len_dest,
const char *src, size_t len_src)
{
// XXX maybe handle zero lengths
// XXX maybe use memset for len_src == 1
memcpy(dest, src, len_src);
_PyBytes_RepeatInPlace(dest, len_src, len_dest);
} |
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Date |
User |
Action |
Args |
2022-03-19 23:09:13 | Dennis Sweeney | set | recipients:
+ Dennis Sweeney, pieter.eendebak |
2022-03-19 23:09:13 | Dennis Sweeney | set | messageid: <1647731353.04.0.20104427037.issue47070@roundup.psfhosted.org> |
2022-03-19 23:09:13 | Dennis Sweeney | link | issue47070 messages |
2022-03-19 23:09:12 | Dennis Sweeney | create | |
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