import unittest
import io
import threading
from traceback import print_exc


NUM_THREADS = 20
FILES_PER_THREAD = 50


            

Reported by Pylint.

                  ok_count = 0

    def run(self):
        self.errors = io.StringIO()
        startEvent.wait()
        for i in range(FILES_PER_THREAD):
            try:
                f = tempfile.TemporaryFile("w+b")
                f.close()

            

Reported by Pylint.

                  def run(self):
        self.errors = io.StringIO()
        startEvent.wait()
        for i in range(FILES_PER_THREAD):
            try:
                f = tempfile.TemporaryFile("w+b")
                f.close()
            except:
                self.error_count += 1

            

Reported by Pylint.

                          try:
                f = tempfile.TemporaryFile("w+b")
                f.close()
            except:
                self.error_count += 1
                print_exc(file=self.errors)
            else:
                self.ok_count += 1


            

Reported by Pylint.

              startEvent = threading.Event()


class TempFileGreedy(threading.Thread):
    error_count = 0
    ok_count = 0

    def run(self):
        self.errors = io.StringIO()

            

Reported by Pylint.

                      startEvent.wait()
        for i in range(FILES_PER_THREAD):
            try:
                f = tempfile.TemporaryFile("w+b")
                f.close()
            except:
                self.error_count += 1
                print_exc(file=self.errors)
            else:

            

Reported by Pylint.

                              self.ok_count += 1


class ThreadedTempFileTest(unittest.TestCase):
    def test_main(self):
        threads = [TempFileGreedy() for i in range(NUM_THREADS)]
        with threading_helper.start_threads(threads, startEvent.set):
            pass
        ok = sum(t.ok_count for t in threads)

            

Reported by Pylint.

              

class ThreadedTempFileTest(unittest.TestCase):
    def test_main(self):
        threads = [TempFileGreedy() for i in range(NUM_THREADS)]
        with threading_helper.start_threads(threads, startEvent.set):
            pass
        ok = sum(t.ok_count for t in threads)
        errors = [str(t.name) + str(t.errors.getvalue())

            

Reported by Pylint.

                      threads = [TempFileGreedy() for i in range(NUM_THREADS)]
        with threading_helper.start_threads(threads, startEvent.set):
            pass
        ok = sum(t.ok_count for t in threads)
        errors = [str(t.name) + str(t.errors.getvalue())
                  for t in threads if t.error_count]

        msg = "Errors: errors %d ok %d\n%s" % (len(errors), ok,
            '\n'.join(errors))

            

Reported by Pylint.

                                     p2cread, p2cwrite, c2pread, c2pwrite,
                       errread, errwrite, errpipe_read, errpipe_write,
                       close_fds, restore_signals, call_setsid,
                       call_setgid, gid, call_setgroups, num_groups, groups,
                       call_setuid, uid, child_umask, old_sigmask,
                       py_fds_to_keep, preexec_fn, preexec_fn_args_tuple);

    /* Parent (original) process */
    if (pid == -1) {

            

Reported by Cppcheck.

                                     errread, errwrite, errpipe_read, errpipe_write,
                       close_fds, restore_signals, call_setsid,
                       call_setgid, gid, call_setgroups, num_groups, groups,
                       call_setuid, uid, child_umask, old_sigmask,
                       py_fds_to_keep, preexec_fn, preexec_fn_args_tuple);

    /* Parent (original) process */
    if (pid == -1) {
        /* Capture errno for the exception. */

            

Reported by Cppcheck.

                      if (envp) {
            execve(executable, argv, envp);
        } else {
            execv(executable, argv);
        }
        if (errno != ENOENT && errno != ENOTDIR && saved_errno == 0) {
            saved_errno = errno;
        }
    }

            

Reported by FlawFinder.

                 long long d_off;
   unsigned short d_reclen;     /* Length of this linux_dirent */
   unsigned char  d_type;
   char           d_name[256];  /* Filename (null-terminated) */
};

/* Close all open file descriptors in the range from start_fd and higher
 * Do not close any in the sorted py_fds_to_keep list.
 *

            

Reported by FlawFinder.

                      _close_fds_by_brute_force(start_fd, py_fds_to_keep);
        return;
    } else {
        char buffer[sizeof(struct linux_dirent64)];
        int bytes;
        while ((bytes = syscall(SYS_getdents64, fd_dir_fd,
                                (struct linux_dirent64 *)buffer,
                                sizeof(buffer))) > 0) {
            struct linux_dirent64 *entry;

            

Reported by FlawFinder.

                  PyObject *result;
    const char* err_msg = "";
    /* Buffer large enough to hold a hex integer.  We can't malloc. */
    char hex_errno[sizeof(saved_errno)*2+1];

    if (make_inheritable(py_fds_to_keep, errpipe_write) < 0)
        goto error;

    /* Close parent's pipe ends. */

            

Reported by FlawFinder.

                      assert(!call_setgroups);
        assert(preexec_fn == Py_None);

        pid = vfork();
    } else
#endif
    {
        pid = fork();
    }

            

Reported by FlawFinder.

                      POSIX_CALL(chdir(cwd));

    if (child_umask >= 0)
        umask(child_umask);  /* umask() always succeeds. */

    if (restore_signals)
        _Py_RestoreSignals();

#ifdef VFORK_USABLE

            

Reported by FlawFinder.

                       * The parent process will look the error message up. */
    } else {
        _Py_write_noraise(errpipe_write, "SubprocessError:0:", 18);
        _Py_write_noraise(errpipe_write, err_msg, strlen(err_msg));
    }
}


/* The main purpose of this wrapper function is to isolate vfork() from both

            

Reported by FlawFinder.

              
struct normal_encoding {
  ENCODING enc;
  unsigned char type[256];
#ifdef XML_MIN_SIZE
  int(PTRFASTCALL *byteType)(const ENCODING *, const char *);
  int(PTRFASTCALL *isNameMin)(const ENCODING *, const char *);
  int(PTRFASTCALL *isNmstrtMin)(const ENCODING *, const char *);
  int(PTRFASTCALL *byteToAscii)(const ENCODING *, const char *);

            

Reported by FlawFinder.

              
  {
    const ptrdiff_t bytesToCopy = fromLim - *fromP;
    memcpy(*toP, *fromP, bytesToCopy);
    *fromP += bytesToCopy;
    *toP += bytesToCopy;
  }

  if (output_exhausted) /* needs to go first */

            

Reported by FlawFinder.

              
static int
toAscii(const ENCODING *enc, const char *ptr, const char *end) {
  char buf[1];
  char *p = buf;
  XmlUtf8Convert(enc, &ptr, end, &p, p + 1);
  if (p == buf)
    return -1;
  else

            

Reported by FlawFinder.

                                   const char **namePtr, const char **nameEndPtr,
                     const char **valPtr, const char **nextTokPtr) {
  int c;
  char open;
  if (ptr == end) {
    *namePtr = NULL;
    return 1;
  }
  if (! isSpace(toAscii(enc, ptr, end))) {

            

Reported by FlawFinder.

                *valPtr = ptr;
  for (;; ptr += enc->minBytesPerChar) {
    c = toAscii(enc, ptr, end);
    if (c == open)
      break;
    if (! (ASCII_a <= c && c <= ASCII_z) && ! (ASCII_A <= c && c <= ASCII_Z)
        && ! (ASCII_0 <= c && c <= ASCII_9) && c != ASCII_PERIOD
        && c != ASCII_MINUS && c != ASCII_UNDERSCORE) {
      *nextTokPtr = ptr;

            

Reported by FlawFinder.

                CONVERTER convert;
  void *userData;
  unsigned short utf16[256];
  char utf8[256][4];
};

#define AS_UNKNOWN_ENCODING(enc) ((const struct unknown_encoding *)(enc))

int

            

Reported by FlawFinder.

              unknown_toUtf8(const ENCODING *enc, const char **fromP, const char *fromLim,
               char **toP, const char *toLim) {
  const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
  char buf[XML_UTF8_ENCODE_MAX];
  for (;;) {
    const char *utf8;
    int n;
    if (*fromP == fromLim)
      return XML_CONVERT_COMPLETED;

            

Reported by FlawFinder.

                      return XML_CONVERT_OUTPUT_EXHAUSTED;
      (*fromP)++;
    }
    memcpy(*toP, utf8, n);
    *toP += n;
  }
}

static enum XML_Convert_Result PTRCALL

            

Reported by FlawFinder.

                                     void *userData) {
  int i;
  struct unknown_encoding *e = (struct unknown_encoding *)mem;
  memcpy(mem, &latin1_encoding, sizeof(struct normal_encoding));
  for (i = 0; i < 128; i++)
    if (latin1_encoding.type[i] != BT_OTHER
        && latin1_encoding.type[i] != BT_NONXML && table[i] != i)
      return 0;
  for (i = 0; i < 256; i++) {

            

Reported by FlawFinder.

                  dest->digestsize = src->digestsize;
    dest->count_lo = src->count_lo;
    dest->count_hi = src->count_hi;
    memcpy(dest->digest, src->digest, sizeof(src->digest));
    memcpy(dest->data, src->data, sizeof(src->data));
}


/* ------------------------------------------------------------------------

            

Reported by FlawFinder.

                  dest->count_lo = src->count_lo;
    dest->count_hi = src->count_hi;
    memcpy(dest->digest, src->digest, sizeof(src->digest));
    memcpy(dest->data, src->data, sizeof(src->data));
}


/* ------------------------------------------------------------------------
 *

            

Reported by FlawFinder.

                  int i;
        SHA_INT32 S[8], W[64], t0, t1;

    memcpy(W, sha_info->data, sizeof(sha_info->data));
#if PY_LITTLE_ENDIAN
    longReverse(W, (int)sizeof(sha_info->data));
#endif

    for (i = 16; i < 64; ++i) {

            

Reported by FlawFinder.

                      if (i > count) {
            i = count;
        }
        memcpy(((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i);
        count -= i;
        buffer += i;
        sha_info->local += (int)i;
        if (sha_info->local == SHA_BLOCKSIZE) {
            sha_transform(sha_info);

            

Reported by FlawFinder.

                      }
    }
    while (count >= SHA_BLOCKSIZE) {
        memcpy(sha_info->data, buffer, SHA_BLOCKSIZE);
        buffer += SHA_BLOCKSIZE;
        count -= SHA_BLOCKSIZE;
        sha_transform(sha_info);
    }
    memcpy(sha_info->data, buffer, count);

            

Reported by FlawFinder.

                      count -= SHA_BLOCKSIZE;
        sha_transform(sha_info);
    }
    memcpy(sha_info->data, buffer, count);
    sha_info->local = (int)count;
}

/* finish computing the SHA digest */


            

Reported by FlawFinder.

              /* finish computing the SHA digest */

static void
sha_final(unsigned char digest[SHA_DIGESTSIZE], SHAobject *sha_info)
{
    int count;
    SHA_INT32 lo_bit_count, hi_bit_count;

    lo_bit_count = sha_info->count_lo;

            

Reported by FlawFinder.

              SHA256Type_digest_impl(SHAobject *self)
/*[clinic end generated code: output=46616a5e909fbc3d input=f1f4cfea5cbde35c]*/
{
    unsigned char digest[SHA_DIGESTSIZE];
    SHAobject temp;

    SHAcopy(self, &temp);
    sha_final(digest, &temp);
    return PyBytes_FromStringAndSize((const char *)digest, self->digestsize);

            

Reported by FlawFinder.

              SHA256Type_hexdigest_impl(SHAobject *self)
/*[clinic end generated code: output=725f8a7041ae97f3 input=0cc4c714693010d1]*/
{
    unsigned char digest[SHA_DIGESTSIZE];
    SHAobject temp;

    /* Get the raw (binary) digest value */
    SHAcopy(self, &temp);
    sha_final(digest, &temp);

            

Reported by FlawFinder.

                  This will quote the value if needed or if quote is true.
    """
    if value is not None and len(value) > 0:
        if quote or tspecials.search(value):
            value = value.replace('\\', '\\\\').replace('"', r'\"')
            return '%s="%s"' % (param, value)
        else:
            return '%s=%s' % (param, value)
    else:

            

Reported by Pylint.

              
    def __init__(self, headers=None):
        headers = headers if headers is not None else []
        if type(headers) is not list:
            raise TypeError("Headers must be a list of name/value tuples")
        self._headers = headers
        if __debug__:
            for k, v in headers:
                self._convert_string_type(k)

            

Reported by Pylint.

                          raise TypeError("Headers must be a list of name/value tuples")
        self._headers = headers
        if __debug__:
            for k, v in headers:
                self._convert_string_type(k)
                self._convert_string_type(v)

    def _convert_string_type(self, value):
        """Convert/check value type."""

            

Reported by Pylint.

                              self._convert_string_type(k)
                self._convert_string_type(v)

    def _convert_string_type(self, value):
        """Convert/check value type."""
        if type(value) is str:
            return value
        raise AssertionError("Header names/values must be"
            " of type str (got {0})".format(repr(value)))

            

Reported by Pylint.

              
    def _convert_string_type(self, value):
        """Convert/check value type."""
        if type(value) is str:
            return value
        raise AssertionError("Header names/values must be"
            " of type str (got {0})".format(repr(value)))

    def __len__(self):

            

Reported by Pylint.

                  def get(self,name,default=None):
        """Get the first header value for 'name', or return 'default'"""
        name = self._convert_string_type(name.lower())
        for k,v in self._headers:
            if k.lower()==name:
                return v
        return default



            

Reported by Pylint.

                      If there is no header named 'name', add a new header with name 'name'
        and value 'value'."""
        result = self.get(name)
        if result is None:
            self._headers.append((self._convert_string_type(name),
                self._convert_string_type(value)))
            return value
        else:
            return result

            

Reported by Pylint.

                      if _value is not None:
            _value = self._convert_string_type(_value)
            parts.append(_value)
        for k, v in _params.items():
            k = self._convert_string_type(k)
            if v is None:
                parts.append(k.replace('_', '-'))
            else:
                v = self._convert_string_type(v)

            

Reported by Pylint.

                          if v is None:
                parts.append(k.replace('_', '-'))
            else:
                v = self._convert_string_type(v)
                parts.append(_formatparam(k.replace('_', '-'), v))
        self._headers.append((self._convert_string_type(_name), "; ".join(parts)))

            

Reported by Pylint.

                  """Something preprocessor-related went wrong."""

    @classmethod
    def _msg(cls, filename, reason, **ignored):
        msg = 'failure while preprocessing'
        if reason:
            msg = f'{msg} ({reason})'
        return msg


            

Reported by Pylint.

                  """Something preprocessor-related went wrong."""

    @classmethod
    def _msg(cls, filename, reason, **ignored):
        msg = 'failure while preprocessing'
        if reason:
            msg = f'{msg} ({reason})'
        return msg


            

Reported by Pylint.

                  """The preprocessor command failed."""

    @classmethod
    def _msg(cls, error, **ignored):
        msg = 'preprocessor command failed'
        if error:
            msg = f'{msg} {error}'
        return msg


            

Reported by Pylint.

                  """The preprocessor did not have access to all the target's dependencies."""

    @classmethod
    def _msg(cls, missing, **ignored):
        msg = 'preprocessing failed due to missing dependencies'
        if missing:
            msg = f'{msg} ({", ".join(missing)})'
        return msg


            

Reported by Pylint.

                          msg = f'{msg} ({", ".join(missing)})'
        return msg

    def __init__(self, filename, missing=None, *args, **kwargs):
        self.missing = _as_tuple(missing) or None

        super().__init__(filename, *args, **kwargs)



            

Reported by Pylint.

                  """The target is not compatible with the host OS."""

    @classmethod
    def _msg(cls, expected, **ignored):
        return f'OS is {OS} but expected {expected or "???"}'

    def __init__(self, filename, expected=None, *args, **kwargs):
        if isinstance(expected, str):
            expected = expected.strip()

            

Reported by Pylint.

                  def _msg(cls, expected, **ignored):
        return f'OS is {OS} but expected {expected or "???"}'

    def __init__(self, filename, expected=None, *args, **kwargs):
        if isinstance(expected, str):
            expected = expected.strip()

        self.actual = OS
        self.expected = expected if expected else None

            

Reported by Pylint.

              import sys


OS = sys.platform


def _as_tuple(items):
    if isinstance(items, str):
        return tuple(items.strip().replace(',', ' ').split())

            

Reported by Pylint.

              

def _as_tuple(items):
    if isinstance(items, str):
        return tuple(items.strip().replace(',', ' ').split())
    elif items:
        return tuple(items)
    else:
        return ()

            

Reported by Pylint.

                  def test_with(self):
        addbase = urllib.response.addbase(self.fp)

        self.assertIsInstance(addbase, tempfile._TemporaryFileWrapper)

        def f():
            with addbase as spam:
                pass
        self.assertFalse(self.fp.closed)

            

Reported by Pylint.

                      self.assertIsInstance(addbase, tempfile._TemporaryFileWrapper)

        def f():
            with addbase as spam:
                pass
        self.assertFalse(self.fp.closed)
        f()
        self.assertTrue(self.fp.closed)
        self.assertRaises(ValueError, f)

            

Reported by Pylint.

              import urllib.response
import unittest

class TestResponse(unittest.TestCase):

    def setUp(self):
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.fp = self.sock.makefile('rb')
        self.test_headers = {"Host": "www.python.org",

            

Reported by Pylint.

              
    def setUp(self):
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.fp = self.sock.makefile('rb')
        self.test_headers = {"Host": "www.python.org",
                             "Connection": "close"}

    def test_with(self):
        addbase = urllib.response.addbase(self.fp)

            

Reported by Pylint.

                      self.test_headers = {"Host": "www.python.org",
                             "Connection": "close"}

    def test_with(self):
        addbase = urllib.response.addbase(self.fp)

        self.assertIsInstance(addbase, tempfile._TemporaryFileWrapper)

        def f():

            

Reported by Pylint.

              
        self.assertIsInstance(addbase, tempfile._TemporaryFileWrapper)

        def f():
            with addbase as spam:
                pass
        self.assertFalse(self.fp.closed)
        f()
        self.assertTrue(self.fp.closed)

            

Reported by Pylint.

                      self.assertTrue(self.fp.closed)
        self.assertRaises(ValueError, f)

    def test_addclosehook(self):
        closehook_called = False

        def closehook():
            nonlocal closehook_called
            closehook_called = True

            

Reported by Pylint.

                      self.assertTrue(self.fp.closed)
        self.assertTrue(closehook_called)

    def test_addinfo(self):
        info = urllib.response.addinfo(self.fp, self.test_headers)
        self.assertEqual(info.info(), self.test_headers)
        self.assertEqual(info.headers, self.test_headers)

    def test_addinfourl(self):

            

Reported by Pylint.

                      self.assertEqual(info.info(), self.test_headers)
        self.assertEqual(info.headers, self.test_headers)

    def test_addinfourl(self):
        url = "http://www.python.org"
        code = 200
        infourl = urllib.response.addinfourl(self.fp, self.test_headers,
                                             url, code)
        self.assertEqual(infourl.info(), self.test_headers)

            

Reported by Pylint.

                          stride = (offset + b < cols/2) ? b : cols/2-offset;

            hp = matrix + hn*cols/2;
            memcpy(readbuf, hp+offset, stride*(sizeof *readbuf));
            pointerswap(&readbuf, &writebuf);

            next = mulmod_size_t(hn, r, m);
            hp = matrix + next*cols/2;


            

Reported by FlawFinder.

              
            while (next != hn) {

                memcpy(readbuf, hp+offset, stride*(sizeof *readbuf));
                memcpy(hp+offset, writebuf, stride*(sizeof *writebuf));
                pointerswap(&readbuf, &writebuf);

                done[next/dbits] |= mpd_bits[next%dbits];


            

Reported by FlawFinder.

                          while (next != hn) {

                memcpy(readbuf, hp+offset, stride*(sizeof *readbuf));
                memcpy(hp+offset, writebuf, stride*(sizeof *writebuf));
                pointerswap(&readbuf, &writebuf);

                done[next/dbits] |= mpd_bits[next%dbits];

                next = mulmod_size_t(next, r, m);

            

Reported by FlawFinder.

              
            }

            memcpy(hp+offset, writebuf, stride*(sizeof *writebuf));

            done[hn/dbits] |= mpd_bits[hn%dbits];
        }
    }


            

Reported by FlawFinder.

                          from = matrix + r*size + c;
            to = buf1;
            for (i = 0; i < b; i++) {
                memcpy(to, from, b*(sizeof *to));
                from += size;
                to += b;
            }
            squaretrans(buf1, b);


            

Reported by FlawFinder.

                              to = matrix + r*size + c;
                from = buf1;
                for (i = 0; i < b; i++) {
                    memcpy(to, from, b*(sizeof *to));
                    from += b;
                    to += size;
                }
                continue;
            }

            

Reported by FlawFinder.

                              from = matrix + c*size + r;
                to = buf2;
                for (i = 0; i < b; i++) {
                    memcpy(to, from, b*(sizeof *to));
                    from += size;
                    to += b;
                }
                squaretrans(buf2, b);


            

Reported by FlawFinder.

                              to = matrix + c*size + r;
                from = buf1;
                for (i = 0; i < b; i++) {
                    memcpy(to, from, b*(sizeof *to));
                    from += b;
                    to += size;
                }

                to = matrix + r*size + c;

            

Reported by FlawFinder.

                              to = matrix + r*size + c;
                from = buf2;
                for (i = 0; i < b; i++) {
                    memcpy(to, from, b*(sizeof *to));
                    from += b;
                    to += size;
                }
            }
        }

            

Reported by FlawFinder.

                      user_input = dedent(user_input)
        p = spawn_repl()
        p.stdin.write(user_input)
        output = kill_python(p)
        self.assertEqual(p.returncode, 0)

    def test_close_stdin(self):
        user_input = dedent('''
            import os

            

Reported by Pylint.

              import sys
import os
import unittest
import subprocess
from textwrap import dedent
from test.support import cpython_only, SuppressCrashReport
from test.support.script_helper import kill_python

def spawn_repl(*args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kw):

            

Reported by Bandit.

                  # test.support.script_helper.
    env = kw.setdefault('env', dict(os.environ))
    env['TERM'] = 'vt100'
    return subprocess.Popen(cmd_line,
                            executable=sys.executable,
                            text=True,
                            stdin=subprocess.PIPE,
                            stdout=stdout, stderr=stderr,
                            **kw)

            

Reported by Bandit.

                                          stdout=stdout, stderr=stderr,
                            **kw)

class TestInteractiveInterpreter(unittest.TestCase):

    @cpython_only
    def test_no_memory(self):
        # Issue #30696: Fix the interactive interpreter looping endlessly when
        # no memory. Check also that the fix does not break the interactive

            

Reported by Pylint.

              class TestInteractiveInterpreter(unittest.TestCase):

    @cpython_only
    def test_no_memory(self):
        # Issue #30696: Fix the interactive interpreter looping endlessly when
        # no memory. Check also that the fix does not break the interactive
        # loop when an exception is raised.
        user_input = """
            import sys, _testcapi

            

Reported by Pylint.

                          sys.exit(0)
        """
        user_input = dedent(user_input)
        p = spawn_repl()
        with SuppressCrashReport():
            p.stdin.write(user_input)
        output = kill_python(p)
        self.assertIn('After the exception.', output)
        # Exit code 120: Py_FinalizeEx() failed to flush stdout and stderr.

            

Reported by Pylint.

                      self.assertIn(p.returncode, (1, 120))

    @cpython_only
    def test_multiline_string_parsing(self):
        # bpo-39209: Multiline string tokens need to be handled in the tokenizer
        # in two places: the interactive path and the non-interactive path.
        user_input = '''\
        x = """<?xml version="1.0" encoding="iso-8859-1"?>
        <test>

            

Reported by Pylint.

                      </test>"""
        '''
        user_input = dedent(user_input)
        p = spawn_repl()
        p.stdin.write(user_input)
        output = kill_python(p)
        self.assertEqual(p.returncode, 0)

    def test_close_stdin(self):

            

Reported by Pylint.

                      output = kill_python(p)
        self.assertEqual(p.returncode, 0)

    def test_close_stdin(self):
        user_input = dedent('''
            import os
            print("before close")
            os.close(0)
        ''')

            

Reported by Pylint.

                  dest->digestsize = src->digestsize;
    dest->count_lo = src->count_lo;
    dest->count_hi = src->count_hi;
    memcpy(dest->digest, src->digest, sizeof(src->digest));
    memcpy(dest->data, src->data, sizeof(src->data));
}


/* ------------------------------------------------------------------------

            

Reported by FlawFinder.

                  dest->count_lo = src->count_lo;
    dest->count_hi = src->count_hi;
    memcpy(dest->digest, src->digest, sizeof(src->digest));
    memcpy(dest->data, src->data, sizeof(src->data));
}


/* ------------------------------------------------------------------------
 *

            

Reported by FlawFinder.

                  int i;
    SHA_INT64 S[8], W[80], t0, t1;

    memcpy(W, sha_info->data, sizeof(sha_info->data));
#if PY_LITTLE_ENDIAN
    longReverse(W, (int)sizeof(sha_info->data));
#endif

    for (i = 16; i < 80; ++i) {

            

Reported by FlawFinder.

                      if (i > count) {
            i = count;
        }
        memcpy(((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i);
        count -= i;
        buffer += i;
        sha_info->local += (int)i;
        if (sha_info->local == SHA_BLOCKSIZE) {
            sha512_transform(sha_info);

            

Reported by FlawFinder.

                      }
    }
    while (count >= SHA_BLOCKSIZE) {
        memcpy(sha_info->data, buffer, SHA_BLOCKSIZE);
        buffer += SHA_BLOCKSIZE;
        count -= SHA_BLOCKSIZE;
        sha512_transform(sha_info);
    }
    memcpy(sha_info->data, buffer, count);

            

Reported by FlawFinder.

                      count -= SHA_BLOCKSIZE;
        sha512_transform(sha_info);
    }
    memcpy(sha_info->data, buffer, count);
    sha_info->local = (int)count;
}

/* finish computing the SHA digest */


            

Reported by FlawFinder.

              /* finish computing the SHA digest */

static void
sha512_final(unsigned char digest[SHA_DIGESTSIZE], SHAobject *sha_info)
{
    int count;
    SHA_INT32 lo_bit_count, hi_bit_count;

    lo_bit_count = sha_info->count_lo;

            

Reported by FlawFinder.

              SHA512Type_digest_impl(SHAobject *self)
/*[clinic end generated code: output=1080bbeeef7dde1b input=f6470dd359071f4b]*/
{
    unsigned char digest[SHA_DIGESTSIZE];
    SHAobject temp;

    SHAcopy(self, &temp);
    sha512_final(digest, &temp);
    return PyBytes_FromStringAndSize((const char *)digest, self->digestsize);

            

Reported by FlawFinder.

              SHA512Type_hexdigest_impl(SHAobject *self)
/*[clinic end generated code: output=7373305b8601e18b input=498b877b25cbe0a2]*/
{
    unsigned char digest[SHA_DIGESTSIZE];
    SHAobject temp;

    /* Get the raw (binary) digest value */
    SHAcopy(self, &temp);
    sha512_final(digest, &temp);

            

Reported by FlawFinder.