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fix(#159): prevent buf to be freed by the GC before resize function exits

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This commit is contained in:
Tomas Aparicio 2017-08-03 12:48:30 +02:00
parent 14ff7ff2c8
commit 98c931eb89
5 changed files with 3 additions and 1 deletions
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1
.gitignore vendored
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@ -6,3 +6,4 @@ bin
/*.webp /*.webp
/fixtures/*_out.* /fixtures/*_out.*
/.idea/ /.idea/
fixtures/test_vertical_*.jpg

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fixtures/test_gif.jpg
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3
resize.go
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@ -9,15 +9,16 @@ import "C"
import ( import (
"errors" "errors"
"math" "math"
"runtime"
) )
// Resize is used to transform a given image as byte buffer // Resize is used to transform a given image as byte buffer
// with the passed options. // with the passed options.
func Resize(buf []byte, o Options) ([]byte, error) { func Resize(buf []byte, o Options) ([]byte, error) {
defer C.vips_thread_shutdown() defer C.vips_thread_shutdown()
defer runtime.KeepAlive(buf)
image, imageType, err := loadImage(buf) image, imageType, err := loadImage(buf)
if err != nil { if err != nil {
return nil, err return nil, err
} }