Python 0.9.1 as posted in alt.sources

1 files changed, 158 insertions, 0 deletions

diff --git a/src/structmember.c b/src/structmember.c
new file mode 100644
index 0000000..c87a3c7
--- /dev/null
+++ b/src/structmember.c
@@ -0,0 +1,158 @@
+/***********************************************************
+Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The
+Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Map C struct members to Python object attributes */
+
+#include "allobjects.h"
+
+#include "structmember.h"
+
+object *
+getmember(addr, mlist, name)
+ char *addr;
+ struct memberlist *mlist;
+ char *name;
+{
+ struct memberlist *l;
+
+ for (l = mlist; l->name != NULL; l++) {
+ if (strcmp(l->name, name) == 0) {
+ object *v;
+ addr += l->offset;
+ switch (l->type) {
+ case T_SHORT:
+ v = newintobject((long) *(short*)addr);
+ break;
+ case T_INT:
+ v = newintobject((long) *(int*)addr);
+ break;
+ case T_LONG:
+ v = newintobject(*(long*)addr);
+ break;
+ case T_FLOAT:
+ v = newfloatobject((double)*(float*)addr);
+ break;
+ case T_DOUBLE:
+ v = newfloatobject(*(double*)addr);
+ break;
+ case T_STRING:
+ if (*(char**)addr == NULL) {
+ INCREF(None);
+ v = None;
+ }
+ else
+ v = newstringobject(*(char**)addr);
+ break;
+ case T_OBJECT:
+ v = *(object **)addr;
+ if (v == NULL)
+ v = None;
+ INCREF(v);
+ break;
+ default:
+ err_setstr(SystemError, "bad memberlist type");
+ v = NULL;
+ }
+ return v;
+ }
+ }
+
+ err_setstr(NameError, name);
+ return NULL;
+}
+
+int
+setmember(addr, mlist, name, v)
+ char *addr;
+ struct memberlist *mlist;
+ char *name;
+ object *v;
+{
+ struct memberlist *l;
+
+ for (l = mlist; l->name != NULL; l++) {
+ if (strcmp(l->name, name) == 0) {
+ if (l->readonly || l->type == T_STRING) {
+ err_setstr(RuntimeError, "readonly attribute");
+ return -1;
+ }
+ addr += l->offset;
+ switch (l->type) {
+ case T_SHORT:
+ if (!is_intobject(v)) {
+ err_badarg();
+ return -1;
+ }
+ *(short*)addr = getintvalue(v);
+ break;
+ case T_INT:
+ if (!is_intobject(v)) {
+ err_badarg();
+ return -1;
+ }
+ *(int*)addr = getintvalue(v);
+ break;
+ case T_LONG:
+ if (!is_intobject(v)) {
+ err_badarg();
+ return -1;
+ }
+ *(long*)addr = getintvalue(v);
+ break;
+ case T_FLOAT:
+ if (is_intobject(v))
+ *(float*)addr = getintvalue(v);
+ else if (is_floatobject(v))
+ *(float*)addr = getfloatvalue(v);
+ else {
+ err_badarg();
+ return -1;
+ }
+ break;
+ case T_DOUBLE:
+ if (is_intobject(v))
+ *(double*)addr = getintvalue(v);
+ else if (is_floatobject(v))
+ *(double*)addr = getfloatvalue(v);
+ else {
+ err_badarg();
+ return -1;
+ }
+ break;
+ case T_OBJECT:
+ XDECREF(*(object **)addr);
+ XINCREF(v);
+ *(object **)addr = v;
+ break;
+ default:
+ err_setstr(SystemError, "bad memberlist type");
+ return -1;
+ }
+ return 0;
+ }
+ }
+
+ err_setstr(NameError, name);
+ return -1;
+}