mdso_create_output(): initial implementation.

1 files changed, 37 insertions, 0 deletions

diff --git a/src/output/mdso_create_output.c b/src/output/mdso_create_output.c
new file mode 100644
index 0000000..3ecde61
--- /dev/null
+++ b/src/output/mdso_create_output.c
@@ -0,0 +1,37 @@
+/****************************************************************/
+/*  mdso: midipix dso scavenger                                 */
+/*  Copyright (C) 2015  Z. Gilboa                               */
+/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
+/****************************************************************/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <mdso/mdso.h>
+#include "mdso_driver_impl.h"
+
+FILE * mdso_create_output(
+	const struct mdso_driver_ctx *	dctx,
+	const char *			asmname)
+{
+	struct mdso_driver_ctx_impl *	ictx;
+	uintptr_t			addr;
+	int				fdout;
+
+	if (!dctx->cctx->dstdir)
+		return stdout;
+
+	addr = (uintptr_t)dctx - offsetof(struct mdso_driver_ctx_impl,ctx);
+	ictx = (struct mdso_driver_ctx_impl *)addr;
+
+	if ((fdout = openat(ictx->fddst,asmname,
+                        O_CREAT|O_TRUNC|O_WRONLY|O_NOCTTY|O_NOFOLLOW,
+                        S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0)
+		return 0;
+
+	return fdopen(fdout,"w");
+}