* nismodule.c: database keys and values can contain null bytes. be more

careful about these.
* arraymodule.c: added 8 byte swap; added 'i' format character; added
  reverse() method; rename read/write to fromfile/tofile.
* config.c: Set version to 0.9.9++.
* rotormodule.c (r_rand): declare k1..k5 as unsigned longs so the shifts
  will have a well-defined effect independent of word size.
* bltinmodule.c: renamed bagof() to filter().
This commit is contained in:
Guido van Rossum 1993-11-03 15:01:26 +00:00
parent 78ed420314
commit e77a757094
5 changed files with 101 additions and 36 deletions

View File

@ -143,6 +143,28 @@ h_setitem(ap, i, v)
return 0;
}
static object *
i_getitem(ap, i)
arrayobject *ap;
int i;
{
return newintobject((long) ((int *)ap->ob_item)[i]);
}
static int
i_setitem(ap, i, v)
arrayobject *ap;
int i;
object *v;
{
int x;
if (!getargs(v, "i;array item must be integer", &x))
return -1;
if (i >= 0)
((int *)ap->ob_item)[i] = x;
return 0;
}
static object *
l_getitem(ap, i)
arrayobject *ap;
@ -214,11 +236,13 @@ static struct arraydescr descriptors[] = {
{'c', sizeof(char), c_getitem, c_setitem},
{'b', sizeof(char), b_getitem, b_setitem},
{'h', sizeof(short), h_getitem, h_setitem},
{'i', sizeof(int), i_getitem, i_setitem},
{'l', sizeof(long), l_getitem, l_setitem},
{'f', sizeof(float), f_getitem, f_setitem},
{'d', sizeof(double), d_getitem, d_setitem},
{'\0', 0, 0, 0} /* Sentinel */
};
/* If we ever allow items larger than double, we must change reverse()! */
object *
@ -239,7 +263,7 @@ newarrayobject(size, descr)
if (nbytes / descr->itemsize != size) {
return err_nomem();
}
op = (arrayobject *) malloc(sizeof(arrayobject));
op = NEW(arrayobject, 1);
if (op == NULL) {
return err_nomem();
}
@ -247,9 +271,9 @@ newarrayobject(size, descr)
op->ob_item = NULL;
}
else {
op->ob_item = malloc(nbytes);
op->ob_item = NEW(char, nbytes);
if (op->ob_item == NULL) {
free((ANY *)op);
DEL(op);
return err_nomem();
}
}
@ -355,8 +379,8 @@ array_dealloc(op)
{
int i;
if (op->ob_item != NULL)
free((ANY *)op->ob_item);
free((ANY *)op);
DEL(op->ob_item);
DEL(op);
}
static int
@ -644,6 +668,22 @@ array_byteswap(self, args)
p[3] = p0;
}
break;
case 8:
for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 8) {
char p0 = p[0];
char p1 = p[1];
char p2 = p[2];
char p3 = p[3];
p[0] = p[7];
p[1] = p[6];
p[2] = p[5];
p[3] = p[4];
p[4] = p3;
p[5] = p2;
p[6] = p1;
p[7] = p0;
}
break;
default:
err_setstr(RuntimeError,
"don't know how to byteswap this array type");
@ -653,33 +693,37 @@ array_byteswap(self, args)
return None;
}
#if 0
static object *
array_reverse(self, args)
arrayobject *self;
object *args;
{
register object **p, **q;
register object *tmp;
register int itemsize = self->ob_descr->itemsize;
register char *p, *q;
char tmp[sizeof(double)]; /* Assume that's the max item size */
if (args != NULL) {
err_badarg();
return NULL;
}
if (self->ob_size > 1) {
for (p = self->ob_item, q = self->ob_item + self->ob_size - 1;
p < q; p++, q--) {
tmp = *p;
*p = *q;
*q = tmp;
for (p = self->ob_item,
q = self->ob_item + (self->ob_size - 1)*itemsize;
p < q;
p += itemsize, q -= itemsize) {
memmove(tmp, p, itemsize);
memmove(p, q, itemsize);
memmove(q, tmp, itemsize);
}
}
INCREF(None);
return None;
}
#endif
/* The following routines were adapted from listobject.c but not converted.
To make them work you will have to work! */
#if 0
static object *
@ -750,7 +794,7 @@ array_remove(self, args)
#endif
static object *
array_read(self, args)
array_fromfile(self, args)
arrayobject *self;
object *args;
{
@ -790,7 +834,7 @@ array_read(self, args)
}
static object *
array_write(self, args)
array_tofile(self, args)
arrayobject *self;
object *args;
{
@ -921,17 +965,19 @@ static struct methodlist array_methods[] = {
{"append", array_append},
{"byteswap", array_byteswap},
/* {"count", array_count},*/
{"fromfile", array_fromfile},
{"fromlist", array_fromlist},
{"fromstring", array_fromstring},
/* {"index", array_index},*/
{"insert", array_insert},
/* {"sort", array_sort},*/
{"read", array_fromfile},
/* {"remove", array_remove},*/
/* {"reverse", array_reverse},*/
{"read", array_read},
{"write", array_write},
{"fromlist", array_fromlist},
{"reverse", array_reverse},
/* {"sort", array_sort},*/
{"tofile", array_tofile},
{"tolist", array_tolist},
{"fromstring", array_fromstring},
{"tostring", array_tostring},
{"write", array_tofile},
{NULL, NULL} /* sentinel */
};

View File

@ -62,12 +62,12 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "patchlevel.h"
#define VERSION "0.9.%d (%s)"
#define VERSION "0.9.%d++ (%s)"
#ifdef __DATE__
#define DATE __DATE__
#else
#define DATE ">= 29 Jul 1993"
#define DATE ">= 3 Nov 1993"
#endif
char version[80];

View File

@ -67,9 +67,23 @@ nis_foreach (instatus, inkey, inkeylen, inval, invallen, indata)
object *indata;
{
if (instatus == YP_TRUE) {
inkey[inkeylen]=0;
inval[invallen]=0;
dictinsert (indata, inkey, newstringobject (inval));
object *key = newsizedstringobject(inkey, inkeylen);
object *val = newsizedstringobject(inval, invallen);
int err;
if (key == NULL || val == NULL) {
/* XXX error -- don't know how to handle */
err_clear();
XDECREF(key);
XDECREF(val);
return 1;
}
err = mappinginsert(indata, key, val);
DECREF(key);
DECREF(val);
if (err != 0) {
err_clear();
return 1;
}
return 0;
}
return 1;
@ -82,18 +96,18 @@ nis_match (self, args)
{
char *match;
char *domain;
int len;
int keylen, len;
char *key, *map;
int err;
object *res;
if (!getargs(args, "(ss)", &key, &map))
if (!getargs(args, "(s#s)", &key, &keylen, &map))
return NULL;
if ((err = yp_get_default_domain(&domain)) != 0)
return nis_error(err);
BGN_SAVE
map = nis_mapname (map);
err = yp_match (domain, map, key, strlen (key), &match, &len);
err = yp_match (domain, map, key, keylen, &match, &len);
END_SAVE
if (err != 0)
return nis_error(err);

View File

@ -154,7 +154,12 @@ static void set_key(r, key)
rotorobject *r;
char *key;
{
#ifdef BUGGY_CODE_BW_COMPAT
/* See comments below */
int k1=995, k2=576, k3=767, k4=671, k5=463;
#else
unsigned long k1=995, k2=576, k3=767, k4=671, k5=463;
#endif
int i;
int len=strlen(key);
for (i=0;i<len;i++) {

View File

@ -67,7 +67,7 @@ builtin_apply(self, args)
}
static object *
builtin_bagof(self, args)
builtin_filter(self, args)
object *self;
object *args;
{
@ -101,7 +101,7 @@ builtin_bagof(self, args)
if ((sqf = seq->ob_type->tp_as_sequence) == NULL) {
err_setstr(TypeError,
"argument 2 to bagof() must be a sequence type");
"argument 2 to filter() must be a sequence type");
goto Fail_2;
}
@ -1121,7 +1121,6 @@ builtin_type(self, v)
static struct methodlist builtin_methods[] = {
{"abs", builtin_abs},
{"apply", builtin_apply},
{"bagof", builtin_bagof},
{"chr", builtin_chr},
{"cmp", builtin_cmp},
{"coerce", builtin_coerce},
@ -1130,6 +1129,7 @@ static struct methodlist builtin_methods[] = {
{"divmod", builtin_divmod},
{"eval", builtin_eval},
{"execfile", builtin_execfile},
{"filter", builtin_filter},
{"float", builtin_float},
{"getattr", builtin_getattr},
{"hasattr", builtin_hasattr},
@ -1271,7 +1271,7 @@ coerce(pv, pw)
}
/* Helper for bagof(): filter a tuple through a function */
/* Helper for filter(): filter a tuple through a function */
static object *
filtertuple(func, tuple)
@ -1324,7 +1324,7 @@ Fail_1:
}
/* Helper for bagof(): filter a string through a function */
/* Helper for filter(): filter a string through a function */
static object *
filterstring(func, strobj)