initial commit with rc for skalibs-2.0.0.0

1 files changed, 32 insertions, 0 deletions

diff --git a/src/libstddjb/openwritenclose_unsafe.c b/src/libstddjb/openwritenclose_unsafe.c
new file mode 100644
index 0000000..427f6a6
--- /dev/null
+++ b/src/libstddjb/openwritenclose_unsafe.c
@@ -0,0 +1,32 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <unistd.h>
+#include <skalibs/uint64.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/djbunix.h>
+
+int openwritenclose_unsafe_internal (char const *fn, char const *s, unsigned int len, uint64 *dev, uint64 *ino, int dosync)
+{
+  struct stat st ;
+  int fd = open_trunc(fn) ;
+  if (fd < 0) return 0 ;
+  if (allwrite(fd, s, len) < len) goto fail ;
+  if ((dev || ino) && (fstat(fd, &st) < 0)) goto fail ;
+  if (dosync && (fd_sync(fd) < 0) && (errno != EINVAL)) goto fail ;
+  fd_close(fd) ;
+  if (dev) *dev = (uint64)st.st_dev ;
+  if (ino) *ino = (uint64)st.st_ino ;
+  return 1 ;
+
+ fail:
+  {
+    register int e = errno ;
+    fd_close(fd) ;
+    unlink(fn) ;
+    errno = e ;
+  }
+  return 0 ;
+}