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nix-daemon: Fix splice faking on non-Linux

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This commit is contained in:
Shea Levy 2016-11-17 08:10:12 -05:00
parent 8bf378e999
commit 3f4d3f8a1a
1 changed files with 2 additions and 2 deletions
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4
src/nix-daemon/nix-daemon.cc
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@ -32,14 +32,14 @@ using namespace nix;
#ifndef __linux__
#define SPLICE_F_MOVE 0
static ssize_t splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags)
static ssize_t splice(int fd_in, void *off_in, int fd_out, void *off_out, size_t len, unsigned int flags)
{
/* We ignore most parameters, we just have them for conformance with the linux syscall */
char buf[8192];
auto read_count = read(fd_in, buf, sizeof(buf));
if (read_count == -1)
return read_count;
auto write_count = decltype<read_count>(0);
auto write_count = decltype(read_count)(0);
while (write_count < read_count) {
auto res = write(fd_out, buf + write_count, read_count - write_count);
if (res == -1)