From 13b6d8f84c98ab31309f5653fe158022ea986a23 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Apr 18 2016 23:58:54 +0000
Subject: library: helper functions: added slbt_copy_file.


---

diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index 70ceef9..533be58 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -217,6 +217,8 @@ slbt_api int  slbt_map_input		(int fd, const char * path, int prot, struct slbt_
 slbt_api int  slbt_unmap_input		(struct slbt_input *);
 slbt_api int  slbt_archive_import	(const struct slbt_driver_ctx *, struct slbt_exec_ctx *,
 					 char * dstarchive, char * srcarchive);
+slbt_api int  slbt_copy_file		(const struct slbt_driver_ctx *, struct slbt_exec_ctx *,
+					 char * src, char * dst);
 
 /* utility api */
 slbt_api int  slbt_output_config	(const struct slbt_driver_ctx *);
diff --git a/project/common.mk b/project/common.mk
index ae06f28..6a8c3f1 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -3,6 +3,7 @@ COMMON_SRCS = \
 	src/driver/slbt_driver_ctx.c \
 	src/driver/slbt_unit_ctx.c \
 	src/helper/slbt_archive_import.c \
+	src/helper/slbt_copy_file.c \
 	src/logic/slbt_exec_compile.c \
 	src/logic/slbt_exec_ctx.c \
 	src/logic/slbt_exec_install.c \
diff --git a/src/helper/slbt_copy_file.c b/src/helper/slbt_copy_file.c
new file mode 100644
index 0000000..fb44dc7
--- /dev/null
+++ b/src/helper/slbt_copy_file.c
@@ -0,0 +1,38 @@
+/*******************************************************************/
+/*  slibtool: a skinny libtool implementation, written in C        */
+/*  Copyright (C) 2016  Z. Gilboa                                  */
+/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <slibtool/slibtool.h>
+#include "slibtool_spawn_impl.h"
+
+int slbt_copy_file(
+	const struct slbt_driver_ctx *	dctx,
+	struct slbt_exec_ctx *		ectx,
+	char *				src,
+	char *				dst)
+{
+	char *	cp[4];
+
+	/* cp argv */
+	cp[0] = "cp";
+	cp[1] = src;
+	cp[2] = dst;
+	cp[3] = 0;
+
+	/* alternate argument vector */
+	ectx->argv    = cp;
+	ectx->program = "cp";
+
+	/* step output */
+	if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT))
+		if (slbt_output_link(dctx,ectx))
+			return -1;
+
+	/* dlltool spawn */
+	if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode)
+		return -1;
+
+	return 0;
+}