Fix new glibc warnings about warn_unused_result.

[ccan] / ccan / read_write_all / read_write_all.h

diff --git a/ccan/read_write_all/read_write_all.h b/ccan/read_write_all/read_write_all.h
new file mode 100644 (file)
index 0000000..05f7985
--- /dev/null
+++ b/ccan/read_write_all/read_write_all.h
@@ -0,0 +1,9 @@
+#ifndef _CCAN_READ_WRITE_H
+#define _CCAN_READ_WRITE_H
+#include <stddef.h>
+#include <stdbool.h>
+
+bool write_all(int fd, const void *data, size_t size);
+bool read_all(int fd, void *data, size_t size);
+
+#endif /* _CCAN_READ_WRITE_H */