nixpkgs/pkgs/os-specific/linux/qemu-kvm/smb-tmpdir.patch

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Honour $TMPDIR for the qemu-smb temporary directory.
diff -rc -x '*~' qemu-kvm-0.12.2-orig/net/slirp.c qemu-kvm-0.12.2/net/slirp.c
*** qemu-kvm-0.12.2-orig/net/slirp.c 2010-01-18 19:48:25.000000000 +0100
--- qemu-kvm-0.12.2/net/slirp.c 2010-02-01 15:56:43.000000000 +0100
***************
*** 480,486 ****
char smb_cmdline[128];
FILE *f;
! snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d",
(long)getpid(), instance++);
if (mkdir(s->smb_dir, 0700) < 0) {
qemu_error("could not create samba server dir '%s'\n", s->smb_dir);
--- 480,489 ----
char smb_cmdline[128];
FILE *f;
! char *tmpdir = getenv("TMPDIR");
!
! snprintf(s->smb_dir, sizeof(s->smb_dir), "%s/qemu-smb.%ld-%d",
! tmpdir ? tmpdir : "/tmp",
(long)getpid(), instance++);
if (mkdir(s->smb_dir, 0700) < 0) {
qemu_error("could not create samba server dir '%s'\n", s->smb_dir);