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fix struct regression on 64-bit platforms

This commit is contained in:
Bob Ippolito 2006-05-27 15:53:49 +00:00
parent 2d40077b4f
commit cd51ca5b11
1 changed files with 36 additions and 22 deletions
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58
Modules/_struct.c
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@ -318,9 +318,13 @@ nu_uint(const char *p, const formatdef *f)
{
unsigned int x;
memcpy((char *)&x, p, sizeof x);
if (x <= LONG_MAX)
#if (SIZEOF_LONG > SIZEOF_INT)
return PyInt_FromLong((long)x);
#else
if (x <= ((unsigned int)LONG_MAX))
return PyInt_FromLong((long)x);
return PyLong_FromUnsignedLong((unsigned long)x);
#endif
}
static PyObject *
@ -477,7 +481,7 @@ np_int(char *p, PyObject *v, const formatdef *f)
if (get_long(v, &x) < 0)
return -1;
#if (SIZEOF_LONG > SIZEOF_INT)
if (x < INT_MIN || x > INT_MAX)
if ((x < ((long)INT_MIN)) || (x > ((long)INT_MAX)))
return _range_error(f->format, sizeof(y), 0);
#endif
y = (int)x;
@ -494,7 +498,7 @@ np_uint(char *p, PyObject *v, const formatdef *f)
return _range_error(f->format, sizeof(y), 1);
y = (unsigned int)x;
#if (SIZEOF_LONG > SIZEOF_INT)
if (x > UINT_MAX)
if (x > ((unsigned long)UINT_MAX))
return _range_error(f->format, sizeof(y), 1);
#endif
memcpy(p, (char *)&y, sizeof y);
@ -622,7 +626,7 @@ bu_int(const char *p, const formatdef *f)
} while (--i > 0);
/* Extend the sign bit. */
if (SIZEOF_LONG > f->size)
x |= -(x & (1L << (8*f->size - 1)));
x |= -(x & (1L << ((8 * f->size) - 1)));
return PyInt_FromLong(x);
}
@ -650,7 +654,7 @@ bu_longlong(const char *p, const formatdef *f)
} while (--i > 0);
/* Extend the sign bit. */
if (SIZEOF_LONG_LONG > f->size)
x |= -(x & (1L << (8 * f->size - 1)));
x |= -(x & (1L << ((8 * f->size) - 1)));
if (x >= LONG_MIN && x <= LONG_MAX)
return PyInt_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
return PyLong_FromLongLong(x);
@ -702,13 +706,14 @@ bp_int(char *p, PyObject *v, const formatdef *f)
if (get_long(v, &x) < 0)
return -1;
i = f->size;
if (i != SIZEOF_LONG && (
(i == 2 && (x < -32768 || x > 32767))
#if (SIZEOF_LONG != 4)
|| (i == 4) && (x < -2147483648L || x > -2147483647L)
#endif
))
if (i != SIZEOF_LONG) {
if ((i == 2) && (x < -32768 || x > 32767))
return _range_error(f->format, i, 0);
#if (SIZEOF_LONG != 4)
else if ((i == 4) && (x < -2147483648L || x > 2147483647L))
return _range_error(f->format, i, 0);
#endif
}
do {
p[--i] = (char)x;
x >>= 8;
@ -724,8 +729,12 @@ bp_uint(char *p, PyObject *v, const formatdef *f)
if (get_ulong(v, &x) < 0)
return -1;
i = f->size;
if (i != SIZEOF_LONG && x >= (1U << (((unsigned int)i) * 8)))
if (i != SIZEOF_LONG) {
unsigned long maxint = 1;
maxint <<= (unsigned long)(i * 8);
if (x >= maxint)
return _range_error(f->format, f->size, 1);
}
do {
p[--i] = (char)x;
x >>= 8;
@ -821,7 +830,7 @@ lu_int(const char *p, const formatdef *f)
} while (i > 0);
/* Extend the sign bit. */
if (SIZEOF_LONG > f->size)
x |= -(x & (1L << (8*f->size - 1)));
x |= -(x & (1L << ((8 * f->size) - 1)));
return PyInt_FromLong(x);
}
@ -849,7 +858,7 @@ lu_longlong(const char *p, const formatdef *f)
} while (i > 0);
/* Extend the sign bit. */
if (SIZEOF_LONG_LONG > f->size)
x |= -(x & (1L << (8 * f->size - 1)));
x |= -(x & (1L << ((8 * f->size) - 1)));
if (x >= LONG_MIN && x <= LONG_MAX)
return PyInt_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
return PyLong_FromLongLong(x);
@ -901,13 +910,14 @@ lp_int(char *p, PyObject *v, const formatdef *f)
if (get_long(v, &x) < 0)
return -1;
i = f->size;
if (i != SIZEOF_LONG && (
(i == 2 && (x < -32768 || x > 32767))
#if (SIZEOF_LONG != 4)
|| (i == 4) && (x < -2147483648L || x > -2147483647L)
#endif
))
if (i != SIZEOF_LONG) {
if ((i == 2) && (x < -32768 || x > 32767))
return _range_error(f->format, i, 0);
#if (SIZEOF_LONG != 4)
else if ((i == 4) && (x < -2147483648L || x > 2147483647L))
return _range_error(f->format, i, 0);
#endif
}
do {
*p++ = (char)x;
x >>= 8;
@ -923,8 +933,12 @@ lp_uint(char *p, PyObject *v, const formatdef *f)
if (get_ulong(v, &x) < 0)
return -1;
i = f->size;
if (i != SIZEOF_LONG && x >= (1U << (((unsigned int)i) * 8)))
if (i != SIZEOF_LONG) {
unsigned long maxint = 1;
maxint <<= (unsigned long)(i * 8);
if (x >= maxint)
return _range_error(f->format, f->size, 1);
}
do {
*p++ = (char)x;
x >>= 8;
@ -1273,7 +1287,7 @@ s_unpack_internal(PyStructObject *soself, char *startfrom) {
fail:
Py_DECREF(result);
return NULL;
};
}
PyDoc_STRVAR(s_unpack__doc__,