diff options
author | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:24:06 +0300 |
---|---|---|
committer | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:41:34 +0300 |
commit | e0e3e1717e3d33762ce61950504f9637a6e669ed (patch) | |
tree | bca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/tools/python/src/Python/asdl.c | |
parent | 38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff) | |
download | ydb-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.c | 64 |
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; +} |