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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libunixonacid/openwritenclose_at.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libunixonacid/openwritenclose_at.c')
-rw-r--r--src/libunixonacid/openwritenclose_at.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/libunixonacid/openwritenclose_at.c b/src/libunixonacid/openwritenclose_at.c
new file mode 100644
index 0000000..fe92a5e
--- /dev/null
+++ b/src/libunixonacid/openwritenclose_at.c
@@ -0,0 +1,24 @@
+/* ISC license. */
+
+#include <unistd.h>
+#include <errno.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/unix-transactional.h>
+
+unsigned int openwritenclose_at (int dirfd, char const *file, char const *s, unsigned int n)
+{
+ register unsigned int r ;
+ int fd = open_truncatb(dirfd, file) ;
+ if (fd < 0) return 0 ;
+ r = allwrite(fd, s, n) ;
+ if ((r < n) || (fsync(fd) < 0))
+ {
+ register int e = errno ;
+ fd_close(fd) ;
+ errno = e ;
+ return r ;
+ }
+ fd_close(fd) ;
+ return r ;
+}