1 files changed, 62 insertions, 0 deletions
diff --git a/lib/dpkg/atomic-file.h b/lib/dpkg/atomic-file.h
new file mode 100644
index 0000000..54ceea1
--- /dev/null
+++ b/lib/dpkg/atomic-file.h
@@ -0,0 +1,62 @@
+/*
+ * libdpkg - Debian packaging suite library routines
+ * atomic-file.h - atomic file helper functions
+ *
+ * Copyright © 2011-2014 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBDPKG_ATOMIC_FILE_H
+#define LIBDPKG_ATOMIC_FILE_H
+
+#include <stdio.h>
+
+#include <dpkg/macros.h>
+
+DPKG_BEGIN_DECLS
+
+/**
+ * @defgroup atomic-file Atomic file operations
+ * @ingroup dpkg-internal
+ * @{
+ */
+
+enum atomic_file_flags {
+	ATOMIC_FILE_NORMAL	= 0,
+	ATOMIC_FILE_BACKUP	= DPKG_BIT(0),
+	ATOMIC_FILE_MKPATH	= DPKG_BIT(1),
+};
+
+struct atomic_file {
+	enum atomic_file_flags flags;
+	char *name;
+	char *name_new;
+	FILE *fp;
+};
+
+struct atomic_file *
+atomic_file_new(const char *filename, enum atomic_file_flags flags);
+void atomic_file_open(struct atomic_file *file);
+void atomic_file_sync(struct atomic_file *file);
+void atomic_file_close(struct atomic_file *file);
+void atomic_file_commit(struct atomic_file *file);
+void atomic_file_remove(struct atomic_file *file);
+void atomic_file_free(struct atomic_file *file);
+
+/** @} */
+
+DPKG_END_DECLS
+
+#endif /* LIBDPKG_ATOMIC_FILE_H */