status-go/vendor/github.com/andybalholm/brotli/memory.go

67 lines
1.1 KiB
Go

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
}
}