void* luaT_realloc(lua_State *L, void *ptr, long size)

Torch Manual > Lua Torch C API > Memory functions > void* luaT_realloc(lua_State *L, void *ptr, long size)

Realloc ptr to size bytes. ptr must have been previously allocated with luaT_alloc or luaT_realloc, or the C malloc or realloc functions. A Lua error will be generated if running out of memory.