source: code/trunk/vendor/github.com/andybalholm/brotli/memory.go@ 145

package brotli

/* Copyright 2016 Google Inc. All Rights Reserved.

   Distributed under MIT license.
   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/

/*
Dynamically grows array capacity to at least the requested size
T: data type
A: array
C: capacity
R: requested size
*/
func brotli_ensure_capacity_uint8_t(a *[]byte, c *uint, r uint) {
        if *c < r {
                var new_size uint = *c
                if new_size == 0 {
                        new_size = r
                }

                for new_size < r {
                        new_size *= 2
                }

                if cap(*a) < int(new_size) {
                        var new_array []byte = make([]byte, new_size)
                        if *c != 0 {
                                copy(new_array, (*a)[:*c])
                        }

                        *a = new_array
                } else {
                        *a = (*a)[:new_size]
                }

                *c = new_size
        }
}

func brotli_ensure_capacity_uint32_t(a *[]uint32, c *uint, r uint) {
        var new_array []uint32
        if *c < r {
                var new_size uint = *c
                if new_size == 0 {
                        new_size = r
                }

                for new_size < r {
                        new_size *= 2
                }

                if cap(*a) < int(new_size) {
                        new_array = make([]uint32, new_size)
                        if *c != 0 {
                                copy(new_array, (*a)[:*c])
                        }

                        *a = new_array
                } else {
                        *a = (*a)[:new_size]
                }
                *c = new_size
        }
}