Add devino, refactor openwrite(v)nclose

Signed-off-by: Laurent Bercot <ska@appnovation.com>

28 files changed, 336 insertions, 206 deletions

diff --git a/Makefile b/Makefile
index a160e3b..458f137 100644
--- a/Makefile
+++ b/Makefile
@@ -7,14 +7,17 @@
 
 it: all
 
+$(shell test -r config.mak)
+ifneq ($(.SHELLSTATUS),0)
+$(error Missing config.mak; please use ./configure first)
+endif
+
 make_need := 3.81
 ifeq "" "$(strip $(filter $(make_need), $(firstword $(sort $(make_need) $(MAKE_VERSION)))))"
-fail := $(error Your make ($(MAKE_VERSION)) is too old. You need $(make_need) or newer)
+$(error Your make ($(MAKE_VERSION)) is too old. You need $(make_need) or newer)
 endif
 
-CC = $(error Please use ./configure first)
-
--include config.mak
+include config.mak
 include package/deps.mak
 
 version_m := $(basename $(version))
diff --git a/package/deps.mak b/package/deps.mak
index 16110ba..4a787d6 100644
--- a/package/deps.mak
+++ b/package/deps.mak
@@ -18,7 +18,7 @@ src/include/skalibs/cdb.h: src/include/skalibs/gccattributes.h
 src/include/skalibs/cdbmake.h: src/include/skalibs/allreadwrite.h src/include/skalibs/buffer.h src/include/skalibs/diuint32.h src/include/skalibs/genalloc.h
 src/include/skalibs/datastruct.h: src/include/skalibs/avlnode.h src/include/skalibs/avltree.h src/include/skalibs/avltreen.h src/include/skalibs/bigkv.h src/include/skalibs/genqdyn.h src/include/skalibs/genset.h src/include/skalibs/gensetdyn.h
 src/include/skalibs/djbtime.h: src/include/skalibs/tai.h src/include/skalibs/uint64.h
-src/include/skalibs/djbunix.h: src/include/skalibs/gccattributes.h src/include/skalibs/stralloc.h
+src/include/skalibs/djbunix.h: src/include/skalibs/devino.h src/include/skalibs/gccattributes.h src/include/skalibs/stralloc.h
 src/include/skalibs/env.h: src/include/skalibs/gccattributes.h src/include/skalibs/stralloc.h
 src/include/skalibs/envalloc.h: src/include/skalibs/genalloc.h
 src/include/skalibs/error.h: src/include/skalibs/gccattributes.h
@@ -44,7 +44,7 @@ src/include/skalibs/skalibs.h: src/include/skalibs/datastruct.h src/include/skal
 src/include/skalibs/skamisc.h: src/include/skalibs/buffer.h src/include/skalibs/stralloc.h
 src/include/skalibs/socket.h: src/include/skalibs/gccattributes.h src/include/skalibs/posixplz.h src/include/skalibs/tai.h
 src/include/skalibs/stdcrypto.h: src/include/skalibs/blake2s.h src/include/skalibs/sha1.h src/include/skalibs/sha256.h src/include/skalibs/sha512.h
-src/include/skalibs/stddjb.h: src/include/skalibs/alarm.h src/include/skalibs/alloc.h src/include/skalibs/allreadwrite.h src/include/skalibs/bitarray.h src/include/skalibs/bufalloc.h src/include/skalibs/buffer.h src/include/skalibs/bytestr.h src/include/skalibs/cbuffer.h src/include/skalibs/cdb.h src/include/skalibs/cdbmake.h src/include/skalibs/direntry.h src/include/skalibs/disize.h src/include/skalibs/diuint.h src/include/skalibs/diuint32.h src/include/skalibs/djbtime.h src/include/skalibs/djbunix.h src/include/skalibs/env.h src/include/skalibs/envalloc.h src/include/skalibs/error.h src/include/skalibs/exec.h src/include/skalibs/fmtscan.h src/include/skalibs/functypes.h src/include/skalibs/gccattributes.h src/include/skalibs/genalloc.h src/include/skalibs/genwrite.h src/include/skalibs/iopause.h src/include/skalibs/ip46.h src/include/skalibs/lolstdio.h src/include/skalibs/netstring.h src/include/skalibs/segfault.h src/include/skalibs/selfpipe.h src/include/skalibs/setgroups.h src/include/skalibs/sgetopt.h src/include/skalibs/sig.h src/include/skalibs/siovec.h src/include/skalibs/skamisc.h src/include/skalibs/socket.h src/include/skalibs/stralloc.h src/include/skalibs/tai.h src/include/skalibs/types.h src/include/skalibs/uint16.h src/include/skalibs/uint32.h src/include/skalibs/uint64.h
+src/include/skalibs/stddjb.h: src/include/skalibs/alarm.h src/include/skalibs/alloc.h src/include/skalibs/allreadwrite.h src/include/skalibs/bitarray.h src/include/skalibs/bufalloc.h src/include/skalibs/buffer.h src/include/skalibs/bytestr.h src/include/skalibs/cbuffer.h src/include/skalibs/cdb.h src/include/skalibs/cdbmake.h src/include/skalibs/devino.h src/include/skalibs/direntry.h src/include/skalibs/disize.h src/include/skalibs/diuint.h src/include/skalibs/diuint32.h src/include/skalibs/djbtime.h src/include/skalibs/djbunix.h src/include/skalibs/env.h src/include/skalibs/envalloc.h src/include/skalibs/error.h src/include/skalibs/exec.h src/include/skalibs/fmtscan.h src/include/skalibs/functypes.h src/include/skalibs/gccattributes.h src/include/skalibs/genalloc.h src/include/skalibs/genwrite.h src/include/skalibs/iopause.h src/include/skalibs/ip46.h src/include/skalibs/lolstdio.h src/include/skalibs/netstring.h src/include/skalibs/segfault.h src/include/skalibs/selfpipe.h src/include/skalibs/setgroups.h src/include/skalibs/sgetopt.h src/include/skalibs/sig.h src/include/skalibs/siovec.h src/include/skalibs/skamisc.h src/include/skalibs/socket.h src/include/skalibs/stralloc.h src/include/skalibs/tai.h src/include/skalibs/types.h src/include/skalibs/uint16.h src/include/skalibs/uint32.h src/include/skalibs/uint64.h
 src/include/skalibs/strerr.h: src/include/skalibs/gccattributes.h
 src/include/skalibs/strerr2.h: src/include/skalibs/strerr.h
 src/include/skalibs/tai.h: src/include/skalibs/gccattributes.h src/include/skalibs/uint64.h
@@ -302,6 +302,7 @@ src/libstddjb/child_spawn2.o src/libstddjb/child_spawn2.lo: src/libstddjb/child_
 src/libstddjb/child_spawn3.o src/libstddjb/child_spawn3.lo: src/libstddjb/child_spawn3.c src/include/skalibs/allreadwrite.h src/include/skalibs/config.h src/include/skalibs/djbunix.h src/include/skalibs/env.h src/include/skalibs/exec.h src/include/skalibs/sig.h src/include/skalibs/strerr.h src/include/skalibs/sysdeps.h src/include/skalibs/types.h
 src/libstddjb/coe.o src/libstddjb/coe.lo: src/libstddjb/coe.c src/include/skalibs/djbunix.h
 src/libstddjb/deepsleepuntil.o src/libstddjb/deepsleepuntil.lo: src/libstddjb/deepsleepuntil.c src/include/skalibs/iopause.h src/include/skalibs/tai.h
+src/libstddjb/devino_cmp.o src/libstddjb/devino_cmp.lo: src/libstddjb/devino_cmp.c src/include/skalibs/devino.h
 src/libstddjb/dir_close.o src/libstddjb/dir_close.lo: src/libstddjb/dir_close.c src/include/skalibs/direntry.h
 src/libstddjb/dir_fd.o src/libstddjb/dir_fd.lo: src/libstddjb/dir_fd.c src/include/skalibs/direntry.h src/include/skalibs/nonposix.h src/include/skalibs/sysdeps.h
 src/libstddjb/error_isalready.o src/libstddjb/error_isalready.lo: src/libstddjb/error_isalready.c src/include/skalibs/bsdsnowflake.h src/include/skalibs/error.h
@@ -443,12 +444,18 @@ src/libstddjb/openreadnclose.o src/libstddjb/openreadnclose.lo: src/libstddjb/op
 src/libstddjb/openreadnclose_nb.o src/libstddjb/openreadnclose_nb.lo: src/libstddjb/openreadnclose_nb.c src/include/skalibs/djbunix.h
 src/libstddjb/openslurpclose.o src/libstddjb/openslurpclose.lo: src/libstddjb/openslurpclose.c src/include/skalibs/djbunix.h
 src/libstddjb/openslurpnclose.o src/libstddjb/openslurpnclose.lo: src/libstddjb/openslurpnclose.c src/include/skalibs/djbunix.h
-src/libstddjb/openwritenclose.o src/libstddjb/openwritenclose.lo: src/libstddjb/openwritenclose.c src/include/skalibs/djbunix.h
-src/libstddjb/openwritenclose_suffix.o src/libstddjb/openwritenclose_suffix.lo: src/libstddjb/openwritenclose_suffix.c src/include/skalibs/djbunix.h
-src/libstddjb/openwritenclose_unsafe.o src/libstddjb/openwritenclose_unsafe.lo: src/libstddjb/openwritenclose_unsafe.c src/include/skalibs/djbunix.h
-src/libstddjb/openwritevnclose.o src/libstddjb/openwritevnclose.lo: src/libstddjb/openwritevnclose.c src/include/skalibs/djbunix.h
-src/libstddjb/openwritevnclose_suffix.o src/libstddjb/openwritevnclose_suffix.lo: src/libstddjb/openwritevnclose_suffix.c src/include/skalibs/djbunix.h
-src/libstddjb/openwritevnclose_unsafe.o src/libstddjb/openwritevnclose_unsafe.lo: src/libstddjb/openwritevnclose_unsafe.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h
+src/libstddjb/openwritenclose5.o src/libstddjb/openwritenclose5.lo: src/libstddjb/openwritenclose5.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h
+src/libstddjb/openwritenclose_internal_deprecated.o src/libstddjb/openwritenclose_internal_deprecated.lo: src/libstddjb/openwritenclose_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
+src/libstddjb/openwritenclose_suffix6.o src/libstddjb/openwritenclose_suffix6.lo: src/libstddjb/openwritenclose_suffix6.c src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h
+src/libstddjb/openwritenclose_suffix_internal_deprecated.o src/libstddjb/openwritenclose_suffix_internal_deprecated.lo: src/libstddjb/openwritenclose_suffix_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
+src/libstddjb/openwritenclose_unsafe5.o src/libstddjb/openwritenclose_unsafe5.lo: src/libstddjb/openwritenclose_unsafe5.c src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h
+src/libstddjb/openwritenclose_unsafe_internal_deprecated.o src/libstddjb/openwritenclose_unsafe_internal_deprecated.lo: src/libstddjb/openwritenclose_unsafe_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
+src/libstddjb/openwritevnclose5.o src/libstddjb/openwritevnclose5.lo: src/libstddjb/openwritevnclose5.c src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h
+src/libstddjb/openwritevnclose_internal_deprecated.o src/libstddjb/openwritevnclose_internal_deprecated.lo: src/libstddjb/openwritevnclose_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
+src/libstddjb/openwritevnclose_suffix6.o src/libstddjb/openwritevnclose_suffix6.lo: src/libstddjb/openwritevnclose_suffix6.c src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h
+src/libstddjb/openwritevnclose_suffix_internal_deprecated.o src/libstddjb/openwritevnclose_suffix_internal_deprecated.lo: src/libstddjb/openwritevnclose_suffix_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
+src/libstddjb/openwritevnclose_unsafe5.o src/libstddjb/openwritevnclose_unsafe5.lo: src/libstddjb/openwritevnclose_unsafe5.c src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h
+src/libstddjb/openwritevnclose_unsafe_internal_deprecated.o src/libstddjb/openwritevnclose_unsafe_internal_deprecated.lo: src/libstddjb/openwritevnclose_unsafe_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
 src/libstddjb/path_canonicalize.o src/libstddjb/path_canonicalize.lo: src/libstddjb/path_canonicalize.c src/include/skalibs/djbunix.h
 src/libstddjb/pipe_internal.o src/libstddjb/pipe_internal.lo: src/libstddjb/pipe_internal.c src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/sysdeps.h
 src/libstddjb/prog.o src/libstddjb/prog.lo: src/libstddjb/prog.c src/include/skalibs/strerr.h
@@ -698,8 +705,10 @@ src/libstddjb/waitn_posix.o src/libstddjb/waitn_posix.lo: src/libstddjb/waitn_po
 src/libstddjb/waitn_reap.o src/libstddjb/waitn_reap.lo: src/libstddjb/waitn_reap.c src/include/skalibs/djbunix.h
 src/libstddjb/waitn_reap_posix.o src/libstddjb/waitn_reap_posix.lo: src/libstddjb/waitn_reap_posix.c src/include/skalibs/djbunix.h
 src/libstddjb/waitpid_nointr.o src/libstddjb/waitpid_nointr.lo: src/libstddjb/waitpid_nointr.c src/include/skalibs/djbunix.h
-src/libstddjb/writenclose_unsafe.o src/libstddjb/writenclose_unsafe.lo: src/libstddjb/writenclose_unsafe.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h
-src/libstddjb/writevnclose_unsafe.o src/libstddjb/writevnclose_unsafe.lo: src/libstddjb/writevnclose_unsafe.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h src/include/skalibs/siovec.h
+src/libstddjb/writenclose_unsafe5.o src/libstddjb/writenclose_unsafe5.lo: src/libstddjb/writenclose_unsafe5.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h
+src/libstddjb/writenclose_unsafe_internal_deprecated.o src/libstddjb/writenclose_unsafe_internal_deprecated.lo: src/libstddjb/writenclose_unsafe_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
+src/libstddjb/writevnclose_unsafe5.o src/libstddjb/writevnclose_unsafe5.lo: src/libstddjb/writevnclose_unsafe5.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h src/include/skalibs/siovec.h
+src/libstddjb/writevnclose_unsafe_internal_deprecated.o src/libstddjb/writevnclose_unsafe_internal_deprecated.lo: src/libstddjb/writevnclose_unsafe_internal_deprecated.c src/include/skalibs/devino.h src/include/skalibs/djbunix.h
 src/libunixonacid/access_at.o src/libunixonacid/access_at.lo: src/libunixonacid/access_at.c src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/sysdeps.h src/include/skalibs/unix-transactional.h
 src/libunixonacid/ancil_recv_fd.o src/libunixonacid/ancil_recv_fd.lo: src/libunixonacid/ancil_recv_fd.c src/include/skalibs/allreadwrite.h src/include/skalibs/ancil.h src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/posixishard.h src/include/skalibs/sysdeps.h
 src/libunixonacid/ancil_send_fd.o src/libunixonacid/ancil_send_fd.lo: src/libunixonacid/ancil_send_fd.c src/include/skalibs/ancil.h src/include/skalibs/nonposix.h src/include/skalibs/posixishard.h
diff --git a/src/include/skalibs/devino.h b/src/include/skalibs/devino.h
new file mode 100644
index 0000000..b4feaf3
--- /dev/null
+++ b/src/include/skalibs/devino.h
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#ifndef SKALIBS_DEVINO_H
+#define SKALIBS_DEVINO_H
+
+#include <sys/types.h>
+
+typedef struct devino_s devino, *devino_ref ;
+struct devino_s
+{
+  dev_t dev ;
+  ino_t ino ;
+} ;
+#define DEVINO_ZERO { .dev = 0, .ino = 0 }
+
+extern int devino_cmp (void const *, void const *) ;
+
+#endif
diff --git a/src/include/skalibs/djbunix.h b/src/include/skalibs/djbunix.h
index 2d2057a..b89a868 100644
--- a/src/include/skalibs/djbunix.h
+++ b/src/include/skalibs/djbunix.h
@@ -10,6 +10,7 @@
 
 #include <skalibs/gccattributes.h>
 #include <skalibs/stralloc.h>
+#include <skalibs/devino.h>
 
 extern int coe (int) ;
 extern int uncoe (int) ;
@@ -97,53 +98,61 @@ extern ssize_t openreadnclose (char const *, char *, size_t) ;
 extern ssize_t openreadnclose_nb (char const *, char *, size_t) ;
 extern int openreadfileclose (char const *, stralloc *, size_t) ;
 
-#define writenclose_unsafe(fd, s, n) writenclose_unsafe_internal(fd, s, (n), 0, 0, 0)
-#define writenclose_unsafe_sync(fd, s, n) writenclose_unsafe_internal(fd, s, (n), 0, 0, 1)
+#define writenclose_unsafe(fd, s, n) writenclose_unsafe5(fd, s, (n), 0)
+#define writenclose_unsafe_sync(fd, s, n) writenclose_unsafe5(fd, s, (n), 0, 1)
 #define writenclose_unsafe_devino(fd, s, n, dev, ino) writenclose_unsafe_internal(fd, s, n, dev, (ino), 0)
 #define writenclose_unsafe_devino_sync(fd, s, n, dev, ino) writenclose_unsafe_internal(fd, s, n, dev, (ino), 1)
-extern int writenclose_unsafe_internal (int, char const *, size_t, dev_t *, ino_t *, int) ;
+extern int writenclose_unsafe5 (int, char const *, size_t, devino *, unsigned int) ;
+extern int writenclose_unsafe_internal (int, char const *, size_t, dev_t *, ino_t *, int) gccattr_deprecated ;
 
-#define openwritenclose_unsafe(f, s, n) openwritenclose_unsafe_internal(f, s, (n), 0, 0, 0)
-#define openwritenclose_unsafe_sync(f, s, n) openwritenclose_unsafe_internal(f, s, (n), 0, 0, 1)
+#define openwritenclose_unsafe(f, s, n) openwritenclose_unsafe5(f, s, (n), 0, 0)
+#define openwritenclose_unsafe_sync(f, s, n) openwritenclose_unsafe5(f, s, (n), 0, 1)
 #define openwritenclose_unsafe_devino(f, s, n, dev, ino) openwritenclose_unsafe_internal(f, s, n, dev, (ino), 0)
 #define openwritenclose_unsafe_devino_sync(f, s, n, dev, ino) openwritenclose_unsafe_internal(f, s, n, dev, (ino), 1)
-extern int openwritenclose_unsafe_internal (char const *, char const *, size_t, dev_t *, ino_t *, int) ;
+extern int openwritenclose_unsafe5 (char const *, char const *, size_t, devino *, unsigned int) ;
+extern int openwritenclose_unsafe_internal (char const *, char const *, size_t, dev_t *, ino_t *, int) gccattr_deprecated ;
 
-#define openwritenclose_suffix(f, s, n, t) openwritenclose_suffix_internal(f, s, n, 0, 0, 0, t)
-#define openwritenclose_suffix_sync(f, s, n, t) openwritenclose_suffix_internal(f, s, n, 0, 0, 1, t)
+#define openwritenclose_suffix(f, s, n, t) openwritenclose_suffix6(f, s, n, 0, 0, 0, t)
+#define openwritenclose_suffix_sync(f, s, n, t) openwritenclose_suffix6(f, s, n, 0, 0, 1, t)
 #define openwritenclose_suffix_devino(f, s, n, t, dev, ino) openwritenclose_suffix_internal(f, s, n, dev, (ino), 0, t)
 #define openwritenclose_suffix_devino_sync(f, s, n, t, dev, ino) openwritenclose_suffix_internal(f, s, n, dev, (ino), 1, t)
-extern int openwritenclose_suffix_internal (char const *, char const *, size_t, dev_t *, ino_t *, int, char const *) ;
+extern int openwritenclose_suffix6 (char const *, char const *, size_t, devino *, unsigned int, char const *) ;
+extern int openwritenclose_suffix_internal (char const *, char const *, size_t, dev_t *, ino_t *, int, char const *) gccattr_deprecated ;
 
-#define openwritenclose(f, s, n) openwritenclose_internal(f, s, (n), 0, 0, 0)
-#define openwritenclose_sync(f, s, n) openwritenclose_internal(f, s, (n), 0, 0, 1)
+#define openwritenclose(f, s, n) openwritenclose5(f, s, (n), 0, 0)
+#define openwritenclose_sync(f, s, n) openwritenclose5(f, s, (n), 0, 1)
 #define openwritenclose_devino(f, s, n, dev, ino) openwritenclose_internal(f, s, n, dev, (ino), 0)
 #define openwritenclose_devino_sync(f, s, n, dev, ino) openwritenclose_internal(f, s, n, dev, (ino), 1)
-extern int openwritenclose_internal (char const *, char const *, size_t, dev_t *, ino_t *, int) ;
+extern int openwritenclose5 (char const *, char const *, size_t, devino *, unsigned int) ;
+extern int openwritenclose_internal (char const *, char const *, size_t, dev_t *, ino_t *, int) gccattr_deprecated ;
 
-#define writenvclose_unsafe(fd, v, n) writevnclose_unsafe_internal(fd, v, (n), 0, 0, 0)
-#define writevnclose_unsafe_sync(fd, v, n) writevnclose_unsafe_internal(fd, v, (n), 0, 0, 1)
+#define writenvclose_unsafe(fd, v, n) writevnclose_unsafe5(fd, v, (n), 0, 0)
+#define writevnclose_unsafe_sync(fd, v, n) writevnclose_unsafe5(fd, v, (n), 0, 1)
 #define writevnclose_unsafe_devino(fd, v, n, dev, ino) writevnclose_unsafe_internal(fd, v, n, dev, (ino), 0)
 #define writevnclose_unsafe_devino_sync(fd, v, n, dev, ino) writevnclose_unsafe_internal(fd, v, n, dev, (ino), 1)
-extern int writevnclose_unsafe_internal (int, struct iovec const *, unsigned int, dev_t *, ino_t *, int) ;
+extern int writevnclose_unsafe5 (int, struct iovec const *, unsigned int, devino *, unsigned int) ;
+extern int writevnclose_unsafe_internal (int, struct iovec const *, unsigned int, dev_t *, ino_t *, int) gccattr_deprecated ;
 
-#define openwritevnclose_unsafe(f, v, n) openwritevnclose_unsafe_internal(f, v, (n), 0, 0, 0)
-#define openwritevnclose_unsafe_sync(f, v, n) openwritevnclose_unsafe_internal(f, v, (n), 0, 0, 1)
+#define openwritevnclose_unsafe(f, v, n) openwritevnclose_unsafe5(f, v, (n), 0, 0)
+#define openwritevnclose_unsafe_sync(f, v, n) openwritevnclose_unsafe5(f, v, (n), 0, 1)
 #define openwritevnclose_unsafe_devino(f, v, n, dev, ino) openwritevnclose_unsafe_internal(f, v, n, dev, (ino), 0)
 #define openwritevnclose_unsafe_devino_sync(f, v, n, dev, ino) openwritevnclose_unsafe_internal(f, v, n, dev, (ino), 1)
-extern int openwritevnclose_unsafe_internal (char const *, struct iovec const *, unsigned int, dev_t *, ino_t *, int) ;
+extern int openwritevnclose_unsafe5 (char const *, struct iovec const *, unsigned int, devino *, unsigned int) ;
+extern int openwritevnclose_unsafe_internal (char const *, struct iovec const *, unsigned int, dev_t *, ino_t *, int) gccattr_deprecated ;
 
-#define openwritevnclose_suffix(f, v, n, t) openwritevnclose_suffix_internal(f, v, n, 0, 0, 0, t)
-#define openwritevnclose_suffix_sync(f, v, n, t) openwritevnclose_suffix_internal(f, v, n, 0, 0, 1, t)
+#define openwritevnclose_suffix(f, v, n, t) openwritevnclose_suffix6(f, v, n, 0, 0, t)
+#define openwritevnclose_suffix_sync(f, v, n, t) openwritevnclose_suffix6(f, v, n, 0, 1, t)
 #define openwritevnclose_suffix_devino(f, v, n, t, dev, ino) openwritevnclose_suffix_internal(f, v, n, dev, (ino), 0, t)
 #define openwritevnclose_suffix_devino_sync(f, v, n, t, dev, ino) openwritevnclose_suffix_internal(f, v, n, dev, (ino), 1, t)
-extern int openwritevnclose_suffix_internal (char const *, struct iovec const *, unsigned int, dev_t *, ino_t *, int, char const *) ;
+extern int openwritevnclose_suffix6 (char const *, struct iovec const *, unsigned int, devino *, unsigned int, char const *) ;
+extern int openwritevnclose_suffix_internal (char const *, struct iovec const *, unsigned int, dev_t *, ino_t *, int, char const *) gccattr_deprecated ;
 
-#define openwritevnclose(f, v, n) openwritevnclose_internal(f, v, (n), 0, 0, 0)
-#define openwritevnclose_sync(f, v, n) openwritevnclose_internal(f, v, (n), 0, 0, 1)
+#define openwritevnclose(f, v, n) openwritevnclose5(f, v, (n), 0, 0)
+#define openwritevnclose_sync(f, v, n) openwritevnclose5(f, v, (n), 0, 1)
 #define openwritevnclose_devino(f, v, n, dev, ino) openwritevnclose_internal(f, v, n, dev, (ino), 0)
 #define openwritevnclose_devino_sync(f, v, n, dev, ino) openwritevnclose_internal(f, v, n, dev, (ino), 1)
-extern int openwritevnclose_internal (char const *, struct iovec const *, unsigned int, dev_t *, ino_t *, int) ;
+extern int openwritevnclose5 (char const *, struct iovec const *, unsigned int, devino *, unsigned int) ;
+extern int openwritevnclose_internal (char const *, struct iovec const *, unsigned int, dev_t *, ino_t *, int) gccattr_deprecated ;
 
 extern int rm_rf (char const *) ;
 extern int rm_rf_tmp (char const *, stralloc *) ;
diff --git a/src/include/skalibs/stddjb.h b/src/include/skalibs/stddjb.h
index e044895..3ba1a51 100644
--- a/src/include/skalibs/stddjb.h
+++ b/src/include/skalibs/stddjb.h
@@ -20,6 +20,7 @@
 #include <skalibs/cbuffer.h>
 #include <skalibs/cdb.h>
 #include <skalibs/cdbmake.h>
+#include <skalibs/devino.h>
 #include <skalibs/direntry.h>
 #include <skalibs/diuint32.h>
 #include <skalibs/diuint.h>
diff --git a/src/libstddjb/devino_cmp.c b/src/libstddjb/devino_cmp.c
new file mode 100644
index 0000000..567ff6d
--- /dev/null
+++ b/src/libstddjb/devino_cmp.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+
+int devino_cmp (void const *a, void const *b)
+{
+  devino const *aa = a ;
+  devino const *bb = b ;
+  return aa->dev < bb->dev ? -1 :
+    aa->dev > bb->dev ? 1 :
+    aa->ino < bb->ino ? -1 :
+    aa->ino > bb->ino ;
+}
diff --git a/src/libstddjb/openwritenclose.c b/src/libstddjb/openwritenclose5.c
index 427e53e..eef625c 100644
--- a/src/libstddjb/openwritenclose.c
+++ b/src/libstddjb/openwritenclose5.c
@@ -1,38 +1,31 @@
 /* ISC license. */
 
 #include <string.h>
-#include <errno.h>
-#include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/devino.h>
 #include <skalibs/djbunix.h>
 
 #define SUFFIX ":skalibs-openwritenclose:XXXXXX"
 
-int openwritenclose_internal (char const *fn, char const *s, size_t n, dev_t *dev, ino_t *ino, int dosync)
+int openwritenclose5 (char const *fn, char const *s, size_t n, devino *devino, unsigned int options)
 {
-  dev_t tmpdev ;
-  ino_t tmpino ;
-  size_t fnlen = strlen(fn) ;
   int fd ;
+  size_t fnlen = strlen(fn) ;
   char tmp[fnlen + sizeof(SUFFIX)] ;
   memcpy(tmp, fn, fnlen) ;
   memcpy(tmp + fnlen, SUFFIX, sizeof(SUFFIX)) ;
   fd = mkstemp(tmp) ;
   if (fd < 0) return 0 ;
-  if (!writenclose_unsafe_internal(fd, s, n, dev ? &tmpdev : 0, ino ? &tmpino : 0, dosync)) goto failclose ;
+  if (!writenclose_unsafe5(fd, s, n, devino, options)) goto failclose ;
   if (rename(tmp, fn) < 0) goto fail ;
-  if (dev) *dev = tmpdev ;
-  if (ino) *ino = tmpino ;
   return 1 ;
 
  failclose:
   fd_close(fd) ;
  fail:
-  {
-    int e = errno ;
-    unlink(tmp) ;
-    errno = e ;
-  }
+  unlink_void(tmp) ;
   return 0 ;
 }
diff --git a/src/libstddjb/openwritenclose_internal_deprecated.c b/src/libstddjb/openwritenclose_internal_deprecated.c
new file mode 100644
index 0000000..89f8dd2
--- /dev/null
+++ b/src/libstddjb/openwritenclose_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int openwritenclose_internal (char const *fn, char const *s, size_t n, dev_t *dev, ino_t *ino, int dosync)
+{
+  devino di ;
+  if (!openwritenclose5(fn, s, n, dev || ino ? &di : 0, !!dosync)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritenclose_suffix.c b/src/libstddjb/openwritenclose_suffix.c
deleted file mode 100644
index 279c19f..0000000
--- a/src/libstddjb/openwritenclose_suffix.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* ISC license. */
-
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <skalibs/djbunix.h>
-
-int openwritenclose_suffix_internal (char const *fn, char const *s, size_t n, dev_t *dev, ino_t *ino, int dosync, char const *suffix)
-{
-  dev_t tmpdev ;
-  ino_t tmpino ;
-  size_t len = strlen(fn) ;
-  size_t suffixlen = strlen(suffix) ;
-  char tmp[len + suffixlen + 1] ;
-  memcpy(tmp, fn, len) ;
-  memcpy(tmp + len, suffix, suffixlen + 1) ;
-  if (!openwritenclose_unsafe_internal(tmp, s, n, dev ? &tmpdev : 0, ino ? &tmpino : 0, dosync)) return 0 ;	
-  if (rename(tmp, fn) < 0)
-  {
-    int e = errno ;
-    unlink(tmp) ;
-    errno = e ;
-    return 0 ;
-  }
-  if (dev) *dev = tmpdev ;
-  if (ino) *ino = tmpino ;
-  return 1 ;
-}
diff --git a/src/libstddjb/openwritenclose_suffix6.c b/src/libstddjb/openwritenclose_suffix6.c
new file mode 100644
index 0000000..be92a87
--- /dev/null
+++ b/src/libstddjb/openwritenclose_suffix6.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/djbunix.h>
+
+int openwritenclose_suffix6 (char const *fn, char const *s, size_t n, devino *devino, unsigned int options, char const *suffix)
+{
+  size_t len = strlen(fn) ;
+  size_t suffixlen = strlen(suffix) ;
+  char tmp[len + suffixlen + 1] ;
+  memcpy(tmp, fn, len) ;
+  memcpy(tmp + len, suffix, suffixlen + 1) ;
+  if (!openwritenclose_unsafe5(tmp, s, n, devino, options)) return 0 ;	
+  if (rename(tmp, fn) < 0)
+  {
+    unlink_void(tmp) ;
+    return 0 ;
+  }
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritenclose_suffix_internal_deprecated.c b/src/libstddjb/openwritenclose_suffix_internal_deprecated.c
new file mode 100644
index 0000000..95c1fdf
--- /dev/null
+++ b/src/libstddjb/openwritenclose_suffix_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int openwritenclose_suffix_internal (char const *fn, char const *s, size_t n, dev_t *dev, ino_t *ino, int dosync, char const *suffix)
+{
+  devino di ;
+  if (!openwritenclose_suffix6(fn, s, n, dev || ino ? &di : 0, !!dosync, suffix)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritenclose_unsafe.c b/src/libstddjb/openwritenclose_unsafe.c
deleted file mode 100644
index 8022f74..0000000
--- a/src/libstddjb/openwritenclose_unsafe.c
+++ /dev/null
@@ -1,20 +0,0 @@
-/* ISC license. */
-
-#include <errno.h>
-#include <unistd.h>
-#include <skalibs/djbunix.h>
-
-int openwritenclose_unsafe_internal (char const *fn, char const *s, size_t len, dev_t *dev, ino_t *ino, int dosync)
-{
-  int fd = openc_trunc(fn) ;
-  if (fd < 0) return 0 ;
-  if (!writenclose_unsafe_internal(fd, s, len, dev, ino, dosync))
-  {
-    int e = errno ;
-    fd_close(fd) ;
-    unlink(fn) ;
-    errno = e ;
-    return 0 ;
-  }
-  return 1 ;
-}
diff --git a/src/libstddjb/openwritenclose_unsafe5.c b/src/libstddjb/openwritenclose_unsafe5.c
new file mode 100644
index 0000000..45a6b14
--- /dev/null
+++ b/src/libstddjb/openwritenclose_unsafe5.c
@@ -0,0 +1,20 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/djbunix.h>
+
+int openwritenclose_unsafe5 (char const *fn, char const *s, size_t len, devino *devino, unsigned int options)
+{
+  int fd = openc_trunc(fn) ;
+  if (fd < 0) return 0 ;
+  if (!writenclose_unsafe5(fd, s, len, devino, options))
+  {
+    fd_close(fd) ;
+    unlink_void(fn) ;
+    return 0 ;
+  }
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritenclose_unsafe_internal_deprecated.c b/src/libstddjb/openwritenclose_unsafe_internal_deprecated.c
new file mode 100644
index 0000000..58f88e6
--- /dev/null
+++ b/src/libstddjb/openwritenclose_unsafe_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int openwritenclose_unsafe_internal (char const *fn, char const *s, size_t len, dev_t *dev, ino_t *ino, int dosync)
+{
+  devino di ;
+  if (!openwritenclose_unsafe5(fn, s, len, dev || ino ? &di : 0, !!dosync)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritevnclose.c b/src/libstddjb/openwritevnclose5.c
index 01df3e3..6465c4d 100644
--- a/src/libstddjb/openwritevnclose.c
+++ b/src/libstddjb/openwritevnclose5.c
@@ -1,39 +1,30 @@
 /* ISC license. */
 
-#include <sys/uio.h>
 #include <string.h>
-#include <errno.h>
-#include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
+
+#include <skalibs/posixplz.h>
 #include <skalibs/djbunix.h>
 
 #define SUFFIX ":skalibs-openwritevnclose:XXXXXX"
 
-int openwritevnclose_internal (char const *fn, struct iovec const *v, unsigned int vlen, dev_t *dev, ino_t *ino, int dosync)
+int openwritevnclose5 (char const *fn, struct iovec const *v, unsigned int vlen, devino *devino, unsigned int options)
 {
-  dev_t tmpdev ;
-  ino_t tmpino ;
-  size_t fnlen = strlen(fn) ;
   int fd ;
+  size_t fnlen = strlen(fn) ;
   char tmp[fnlen + sizeof(SUFFIX)] ;
   memcpy(tmp, fn, fnlen) ;
   memcpy(tmp + fnlen, SUFFIX, sizeof(SUFFIX)) ;
   fd = mkstemp(tmp) ;
   if (fd < 0) return 0 ;
-  if (!writevnclose_unsafe_internal(fd, v, vlen, dev ? &tmpdev : 0, ino ? &tmpino : 0, dosync)) goto failclose ;
+  if (!writevnclose_unsafe5(fd, v, vlen, devino, options)) goto failclose ;
   if (rename(tmp, fn) < 0) goto fail ;
-  if (dev) *dev = tmpdev ;
-  if (ino) *ino = tmpino ;
   return 1 ;
 
  failclose:
   fd_close(fd) ;
  fail:
-  {
-    int e = errno ;
-    unlink(tmp) ;
-    errno = e ;
-  }
+  unlink_void(tmp) ;
   return 0 ;
 }
diff --git a/src/libstddjb/openwritevnclose_internal_deprecated.c b/src/libstddjb/openwritevnclose_internal_deprecated.c
new file mode 100644
index 0000000..1e0bfd1
--- /dev/null
+++ b/src/libstddjb/openwritevnclose_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int openwritevnclose_internal (char const *fn, struct iovec const *v, unsigned int vlen, dev_t *dev, ino_t *ino, int dosync)
+{
+  devino di ;
+  if (!openwritevnclose5(fn, v, vlen, dev || ino ? &di : 0, !!dosync)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritevnclose_suffix.c b/src/libstddjb/openwritevnclose_suffix.c
deleted file mode 100644
index 2085fd3..0000000
--- a/src/libstddjb/openwritevnclose_suffix.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* ISC license. */
-
-#include <sys/uio.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <skalibs/djbunix.h>
-
-int openwritevnclose_suffix_internal (char const *fn, struct iovec const *v, unsigned int n, dev_t *dev, ino_t *ino, int dosync, char const *suffix)
-{
-  dev_t tmpdev ;
-  ino_t tmpino ;
-  size_t len = strlen(fn) ;
-  size_t suffixlen = strlen(suffix) ;
-  char tmp[len + suffixlen + 1] ;
-  memcpy(tmp, fn, len) ;
-  memcpy(tmp + len, suffix, suffixlen + 1) ;
-  if (!openwritevnclose_unsafe_internal(tmp, v, n, dev ? &tmpdev : 0, ino ? &tmpino : 0, dosync)) return 0 ;	
-  if (rename(tmp, fn) < 0)
-  {
-    int e = errno ;
-    unlink(tmp) ;
-    errno = e ;
-    return 0 ;
-  }
-  if (dev) *dev = tmpdev ;
-  if (ino) *ino = tmpino ;
-  return 1 ;
-}
diff --git a/src/libstddjb/openwritevnclose_suffix6.c b/src/libstddjb/openwritevnclose_suffix6.c
new file mode 100644
index 0000000..3a9af3d
--- /dev/null
+++ b/src/libstddjb/openwritevnclose_suffix6.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/djbunix.h>
+
+int openwritevnclose_suffix6 (char const *fn, struct iovec const *v, unsigned int n, devino *devino, unsigned int options, char const *suffix)
+{
+  size_t len = strlen(fn) ;
+  size_t suffixlen = strlen(suffix) ;
+  char tmp[len + suffixlen + 1] ;
+  memcpy(tmp, fn, len) ;
+  memcpy(tmp + len, suffix, suffixlen + 1) ;
+  if (!openwritevnclose_unsafe5(tmp, v, n, devino, options)) return 0 ;	
+  if (rename(tmp, fn) < 0)
+  {
+    unlink_void(tmp) ;
+    return 0 ;
+  }
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritevnclose_suffix_internal_deprecated.c b/src/libstddjb/openwritevnclose_suffix_internal_deprecated.c
new file mode 100644
index 0000000..47278e5
--- /dev/null
+++ b/src/libstddjb/openwritevnclose_suffix_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int openwritevnclose_suffix_internal (char const *fn, struct iovec const *v, unsigned int n, dev_t *dev, ino_t *ino, int dosync, char const *suffix)
+{
+  devino di ;
+  if (!openwritevnclose_suffix6(fn, v, n, dev || ino ? &di : 0, !!dosync, suffix)) return 0 ;	
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritevnclose_unsafe.c b/src/libstddjb/openwritevnclose_unsafe.c
deleted file mode 100644
index ca98f1c..0000000
--- a/src/libstddjb/openwritevnclose_unsafe.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/* ISC license. */
-
-#include <sys/uio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <skalibs/allreadwrite.h>
-#include <skalibs/djbunix.h>
-
-int openwritevnclose_unsafe_internal (char const *fn, struct iovec const *v, unsigned int vlen, dev_t *dev, ino_t *ino, int dosync)
-{
-  int fd = openc_trunc(fn) ;
-  if (fd < 0) return 0 ;
-  if (!writevnclose_unsafe_internal(fd, v, vlen, dev, ino, dosync))
-  {
-    int e = errno ;
-    fd_close(fd) ;
-    unlink(fn) ;
-    errno = e ;
-    return 0 ;
-  }
-  return 1 ;
-}
diff --git a/src/libstddjb/openwritevnclose_unsafe5.c b/src/libstddjb/openwritevnclose_unsafe5.c
new file mode 100644
index 0000000..db82f72
--- /dev/null
+++ b/src/libstddjb/openwritevnclose_unsafe5.c
@@ -0,0 +1,17 @@
+/* ISC license. */
+
+#include <skalibs/posixplz.h>
+#include <skalibs/djbunix.h>
+
+int openwritevnclose_unsafe5 (char const *fn, struct iovec const *v, unsigned int vlen, devino *devino, unsigned int options)
+{
+  int fd = openc_trunc(fn) ;
+  if (fd < 0) return 0 ;
+  if (!writevnclose_unsafe5(fd, v, vlen, devino, options))
+  {
+    fd_close(fd) ;
+    unlink_void(fn) ;
+    return 0 ;
+  }
+  return 1 ;
+}
diff --git a/src/libstddjb/openwritevnclose_unsafe_internal_deprecated.c b/src/libstddjb/openwritevnclose_unsafe_internal_deprecated.c
new file mode 100644
index 0000000..b81881d
--- /dev/null
+++ b/src/libstddjb/openwritevnclose_unsafe_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int openwritevnclose_unsafe_internal (char const *fn, struct iovec const *v, unsigned int vlen, dev_t *dev, ino_t *ino, int dosync)
+{
+  devino di ;
+  if (!openwritevnclose_unsafe5(fn, v, vlen, dev || ino ? &di : 0, !!dosync)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/writenclose_unsafe.c b/src/libstddjb/writenclose_unsafe.c
deleted file mode 100644
index f71caea..0000000
--- a/src/libstddjb/writenclose_unsafe.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/* ISC license. */
-
-#include <sys/stat.h>
-#include <errno.h>
-#include <skalibs/allreadwrite.h>
-#include <skalibs/djbunix.h>
-
-int writenclose_unsafe_internal (int fd, char const *s, size_t len, dev_t *dev, ino_t *ino, int dosync)
-{
-  struct stat st ;
-  if (allwrite(fd, s, len) < len) return 0 ;
-  if ((dev || ino) && (fstat(fd, &st) < 0)) return 0 ;
-  if (dosync && (fd_sync(fd) < 0) && (errno != EINVAL)) return 0 ;
-  fd_close(fd) ;
-  if (dev) *dev = st.st_dev ;
-  if (ino) *ino = st.st_ino ;
-  return 1 ;
-}
diff --git a/src/libstddjb/writenclose_unsafe5.c b/src/libstddjb/writenclose_unsafe5.c
new file mode 100644
index 0000000..b0cbe48
--- /dev/null
+++ b/src/libstddjb/writenclose_unsafe5.c
@@ -0,0 +1,22 @@
+/* ISC license. */
+
+#include <sys/stat.h>
+#include <errno.h>
+
+#include <skalibs/allreadwrite.h>
+#include <skalibs/djbunix.h>
+
+int writenclose_unsafe5 (int fd, char const *s, size_t len, devino *devino, unsigned int options)
+{
+  if (allwrite(fd, s, len) < len) return 0 ;
+  if (options & 1 && fd_sync(fd) == -1 && errno != EINVAL) return 0 ;
+  if (devino)
+  {
+    struct stat st ;
+    if (fstat(fd, &st) == -1) return 0 ;
+    devino->dev = st.st_dev ;
+    devino->ino = st.st_ino ;
+  }
+  fd_close(fd) ;
+  return 1 ;
+}
diff --git a/src/libstddjb/writenclose_unsafe_internal_deprecated.c b/src/libstddjb/writenclose_unsafe_internal_deprecated.c
new file mode 100644
index 0000000..d5ba77c
--- /dev/null
+++ b/src/libstddjb/writenclose_unsafe_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int writenclose_unsafe_internal (int fd, char const *s, size_t len, dev_t *dev, ino_t *ino, int dosync)
+{
+  devino di ;
+  if (!writenclose_unsafe5(fd, s, len, dev || ino ? &di : 0, !!dosync)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}
diff --git a/src/libstddjb/writevnclose_unsafe.c b/src/libstddjb/writevnclose_unsafe.c
deleted file mode 100644
index 9d2348a..0000000
--- a/src/libstddjb/writevnclose_unsafe.c
+++ /dev/null
@@ -1,20 +0,0 @@
-/* ISC license. */
-
-#include <sys/uio.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <skalibs/allreadwrite.h>
-#include <skalibs/siovec.h>
-#include <skalibs/djbunix.h>
-
-int writevnclose_unsafe_internal (int fd, struct iovec const *v, unsigned int vlen, dev_t *dev, ino_t *ino, int dosync)
-{
-  struct stat st ;
-  if (allwritev(fd, v, vlen) < siovec_len(v, vlen)) return 0 ;
-  if ((dev || ino) && (fstat(fd, &st) < 0)) return 0 ;
-  if (dosync && (fd_sync(fd) < 0) && (errno != EINVAL)) return 0 ;
-  fd_close(fd) ;
-  if (dev) *dev = st.st_dev ;
-  if (ino) *ino = st.st_ino ;
-  return 1 ;
-}
diff --git a/src/libstddjb/writevnclose_unsafe5.c b/src/libstddjb/writevnclose_unsafe5.c
new file mode 100644
index 0000000..49b1444
--- /dev/null
+++ b/src/libstddjb/writevnclose_unsafe5.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <sys/stat.h>
+#include <errno.h>
+
+#include <skalibs/allreadwrite.h>
+#include <skalibs/siovec.h>
+#include <skalibs/djbunix.h>
+
+int writevnclose_unsafe5 (int fd, struct iovec const *v, unsigned int vlen, devino *devino, unsigned int options)
+{
+  if (allwritev(fd, v, vlen) < siovec_len(v, vlen)) return 0 ;
+  if (options & 1 && fd_sync(fd) == -1 && errno != EINVAL) return 0 ;
+  if (devino)
+  {
+    struct stat st ;
+    if (fstat(fd, &st) == -1) return 0 ;
+    devino->dev = st.st_dev ;
+    devino->ino = st.st_ino ;
+  }
+  fd_close(fd) ;
+  return 1 ;
+}
diff --git a/src/libstddjb/writevnclose_unsafe_internal_deprecated.c b/src/libstddjb/writevnclose_unsafe_internal_deprecated.c
new file mode 100644
index 0000000..d966500
--- /dev/null
+++ b/src/libstddjb/writevnclose_unsafe_internal_deprecated.c
@@ -0,0 +1,13 @@
+/* ISC license. */
+
+#include <skalibs/devino.h>
+#include <skalibs/djbunix.h>
+
+int writevnclose_unsafe_internal (int fd, struct iovec const *v, unsigned int vlen, dev_t *dev, ino_t *ino, int dosync)
+{
+  devino di ;
+  if (!writevnclose_unsafe5(fd, v, vlen, dev || ino ? &di : 0, !!dosync)) return 0 ;
+  if (dev) *dev = di.dev ;
+  if (ino) *ino = di.ino ;
+  return 1 ;
+}