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Merged revisions 84589 via svnmerge from

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  r84589 | antoine.pitrou | 2010-09-07 18:30:09 +0200 (mar., 07 sept. 2010) | 5 lines

  Issue #9758: When fcntl.ioctl() was called with mutable_flag set to True,
  and the passed buffer was exactly 1024 bytes long, the buffer wouldn't
  be updated back after the system call.  Original patch by Brian Brazil.
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This commit is contained in:
Antoine Pitrou 2010-09-07 16:32:28 +00:00
parent 15db1443ae
commit 334e0dde1d
3 changed files with 31 additions and 6 deletions
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Modules/fcntlmodule.c
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@ -157,7 +157,7 @@ fcntl_ioctl(PyObject *self, PyObject *args)
else {
ret = ioctl(fd, code, arg);
}
if (mutate_arg && (len < IOCTL_BUFSZ)) {
if (mutate_arg && (len <= IOCTL_BUFSZ)) {
memcpy(str, buf, len);
}
PyBuffer_Release(&pstr); /* No further access to str below this point */