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do not allow malloc(0)

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This commit is contained in:
Alexander Medvednikov
2019-12-16 21:29:32 +03:00
parent 10718557a2
commit e7856a1afc
3 changed files with 14 additions and 3 deletions
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12
vlib/encoding/base64/base64.v
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@ -24,7 +24,11 @@ const (
* NB: if you need to decode many strings repeatedly, take a look at decode_in_buffer too.
*/
pub fn decode(data string) string {
buffer := malloc( data.len * 3 / 4 )
size := data.len * 3 / 4
if size <= 0 {
return ''
}
buffer := malloc(size)
return tos(buffer, decode_in_buffer(data, buffer) )
}
@ -36,7 +40,11 @@ pub fn decode(data string) string {
* NB: if you need to encode many strings repeatedly, take a look at encode_in_buffer too.
*/
pub fn encode(data string) string {
buffer := malloc( 4 * ((data.len + 2) / 3) )
size := 4 * ((data.len + 2) / 3)
if size <= 0 {
return ''
}
buffer := malloc(size)
return tos(buffer, encode_in_buffer(data, buffer))
}