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zip & zlib: don't zero-fill buffers before writing to them

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This commit is contained in:
Nathan Sashihara 2018-04-24 21:00:16 -04:00
parent 810ffe6990
commit 8ae499e963
2 changed files with 8 additions and 5 deletions
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4
std/zip.d
View file

@ -414,7 +414,7 @@ final class ZipArchive
*/
void[] build() @safe pure
{
import std.array : array;
import std.array : array, uninitializedArray;
import std.algorithm.sorting : sort;
import std.string : representation;
@ -449,7 +449,7 @@ final class ZipArchive
if (isZip64)
dataSize += eocd64LocLength + eocd64Length;
_data = new ubyte[dataSize];
_data = uninitializedArray!(ubyte[])(dataSize);
// Populate the data[]

9
std/zlib.d
View file

@ -201,8 +201,9 @@ in
do
{
import core.memory : GC;
import std.array : uninitializedArray;
auto destlen = srcbuf.length + ((srcbuf.length + 1023) / 1024) + 12;
auto destbuf = new ubyte[destlen];
auto destbuf = uninitializedArray!(ubyte[])(destlen);
auto err = etc.c.zlib.compress2(destbuf.ptr, &destlen, cast(ubyte *) srcbuf.ptr, srcbuf.length, level);
if (err)
{
@ -411,6 +412,7 @@ class Compress
const(void)[] compress(const(void)[] buf)
{
import core.memory : GC;
import std.array : uninitializedArray;
int err;
ubyte[] destbuf;
@ -425,7 +427,7 @@ class Compress
inited = 1;
}
destbuf = new ubyte[zs.avail_in + buf.length];
destbuf = uninitializedArray!(ubyte[])(zs.avail_in + buf.length);
zs.next_out = destbuf.ptr;
zs.avail_out = to!uint(destbuf.length);
@ -586,6 +588,7 @@ class UnCompress
return null;
import core.memory : GC;
import std.array : uninitializedArray;
int err;
if (!inited)
@ -604,7 +607,7 @@ class UnCompress
if (!destbufsize)
destbufsize = to!uint(buf.length) * 2;
auto destbuf = new ubyte[destbufsize];
auto destbuf = uninitializedArray!(ubyte[])(destbufsize);
size_t destFill;
zs.next_in = cast(ubyte*) buf.ptr;