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authornkozlovskiy <nmk@ydb.tech>2023-09-29 12:24:06 +0300
committernkozlovskiy <nmk@ydb.tech>2023-09-29 12:41:34 +0300
commite0e3e1717e3d33762ce61950504f9637a6e669ed (patch)
treebca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/tools/python/src/Python/asdl.c
parent38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff)
downloadydb-e0e3e1717e3d33762ce61950504f9637a6e669ed.tar.gz
add ydb deps
Diffstat (limited to 'contrib/tools/python/src/Python/asdl.c')
-rw-r--r--contrib/tools/python/src/Python/asdl.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/contrib/tools/python/src/Python/asdl.c b/contrib/tools/python/src/Python/asdl.c
new file mode 100644
index 0000000000..c30d7d2059
--- /dev/null
+++ b/contrib/tools/python/src/Python/asdl.c
@@ -0,0 +1,64 @@
+#include "Python.h"
+#include "asdl.h"
+
+asdl_seq *
+asdl_seq_new(int size, PyArena *arena)
+{
+ asdl_seq *seq = NULL;
+ size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
+
+ /* check size is sane */
+ if (size < 0 || size == INT_MIN ||
+ (size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ /* check if size can be added safely */
+ if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ n += sizeof(asdl_seq);
+
+ seq = (asdl_seq *)PyArena_Malloc(arena, n);
+ if (!seq) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ memset(seq, 0, n);
+ seq->size = size;
+ return seq;
+}
+
+asdl_int_seq *
+asdl_int_seq_new(int size, PyArena *arena)
+{
+ asdl_int_seq *seq = NULL;
+ size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
+
+ /* check size is sane */
+ if (size < 0 || size == INT_MIN ||
+ (size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ /* check if size can be added safely */
+ if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ n += sizeof(asdl_seq);
+
+ seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
+ if (!seq) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ memset(seq, 0, n);
+ seq->size = size;
+ return seq;
+}