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-rw-r--r--macros.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/macros.h b/macros.h
new file mode 100644
index 0000000..e760bd0
--- /dev/null
+++ b/macros.h
@@ -0,0 +1,7 @@
+/* See LICENSE file for copyright and license details. */
+#include <unistd.h>
+
+
+#define t(...) do { if (__VA_ARGS__) goto fail; } while (0)
+#define xpread(fd, buf, len, off) t (pread(fd, buf, len, off) < (ssize_t)(len))
+#define xwrite(fd, buf, len) t (write(fd, buf, len) < (ssize_t)(len))