GLibmemdup2

since: 2.68

gpointer
g_memdup2 (
  gconstpointer mem,
  gsize byte_size
)

Allocates byte_size bytes of memory, and copies byte_size bytes into it from mem. If mem is NULL it returns NULL.

This replaces g_memdup(), which was prone to integer overflows when converting the argument from a #gsize to a #guint.

Available since: 2.68

mem

Type: gconstpointer

The memory to copy.

The argument can be NULL.

The data is owned by the caller of the function.

byte_size

Type: gsize

The number of bytes to copy.

Type: gpointer

A pointer to the newly-allocated copy of the memory, or NULL if mem is NULL.

The data is owned by the called function.

The return value can be NULL.