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-rw-r--r--src/output/mdso_create_output.c37
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");
+}