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Explicitely use 'signed char', to avoid problems on platforms with unsigned char type.

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This commit is contained in:
Thomas Heller 2006-04-05 19:51:19 +00:00
parent fb8f83b33f
commit 0890de3be0
1 changed files with 2 additions and 2 deletions
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4
Modules/_ctypes/cfield.c
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@ -499,7 +499,7 @@ b_set(void *ptr, PyObject *value, unsigned size)
long val; long val;
if (get_long(value, &val) < 0) if (get_long(value, &val) < 0)
return NULL; return NULL;
*(char *)ptr = (char)SET(*(char *)ptr, (char)val, size); *(signed char *)ptr = (signed char)SET(*(signed char *)ptr, (signed char)val, size);
_RET(value); _RET(value);
} }
@ -507,7 +507,7 @@ b_set(void *ptr, PyObject *value, unsigned size)
static PyObject * static PyObject *
b_get(void *ptr, unsigned size) b_get(void *ptr, unsigned size)
{ {
char val = *(char *)ptr; signed char val = *(signed char *)ptr;
GET_BITFIELD(val, size); GET_BITFIELD(val, size);
return PyInt_FromLong(val); return PyInt_FromLong(val);
} }