slbt_util_copy_file(): simplify interface.

5 files changed, 35 insertions, 14 deletions

diff --git a/src/internal/slibtool_symlink_impl.c b/src/internal/slibtool_symlink_impl.c
index c9be845..a788800 100644
--- a/src/internal/slibtool_symlink_impl.c
+++ b/src/internal/slibtool_symlink_impl.c
@@ -131,7 +131,7 @@ slbt_hidden int slbt_create_symlink(
 		: 0;
 }
 
-slbt_hidden int slbt_symlink_is_a_placeholder(int fdcwd, char * lnkpath)
+slbt_hidden int slbt_symlink_is_a_placeholder(int fdcwd, const char * lnkpath)
 {
 	size_t		len;
 	char		slink [PATH_MAX];
diff --git a/src/internal/slibtool_symlink_impl.h b/src/internal/slibtool_symlink_impl.h
index fc4c708..14ddead 100644
--- a/src/internal/slibtool_symlink_impl.h
+++ b/src/internal/slibtool_symlink_impl.h
@@ -16,6 +16,6 @@ int slbt_create_symlink(
 	const char *			lnkname,
 	uint32_t			options);
 
-int slbt_symlink_is_a_placeholder(int fdcwd, char * lnkpath);
+int slbt_symlink_is_a_placeholder(int fdcwd, const char * lnkpath);
 
 #endif
diff --git a/src/logic/slbt_exec_install.c b/src/logic/slbt_exec_install.c
index 20cf679..ddd3a60 100644
--- a/src/logic/slbt_exec_install.c
+++ b/src/logic/slbt_exec_install.c
@@ -191,7 +191,7 @@ static int slbt_exec_install_import_libraries(
 		dctx->cctx->asettings.impsuffix);
 
 	/* copy: .libs/libfoo.x.y.z.lib.a --> dstdir */
-	if (slbt_util_copy_file(dctx,ectx,srcbuf,dstdir))
+	if (slbt_util_copy_file(ectx,srcbuf,dstdir))
 		return SLBT_NESTED_ERROR(dctx);
 
 	/* .libs/libfoo.x.lib.a */
@@ -200,7 +200,7 @@ static int slbt_exec_install_import_libraries(
 		dctx->cctx->asettings.impsuffix);
 
 	/* copy: .libs/libfoo.x.lib.a --> dstdir */
-	if (slbt_util_copy_file(dctx,ectx,srcbuf,dstdir))
+	if (slbt_util_copy_file(ectx,srcbuf,dstdir))
 		return SLBT_NESTED_ERROR(dctx);
 
 	/* /dstdir/libfoo.lib.a */
@@ -310,7 +310,7 @@ static int slbt_exec_install_library_wrapper(
 	slbt_unmap_file(mapinfo);
 
 	/* cp libfoo.la.slibtool.instal /dstdir/libfoo.la */
-	if (slbt_util_copy_file(dctx,ectx,clainame,instname))
+	if (slbt_util_copy_file(ectx,clainame,instname))
 		return SLBT_NESTED_ERROR(dctx);
 
 	return 0;
@@ -555,7 +555,8 @@ static int slbt_exec_install_entry(
 		farchive = false;
 
 	if (farchive)
-		if (slbt_util_copy_file(dctx,ectx,
+		if (slbt_util_copy_file(
+				ectx,
 				srcfile,
 				dest ? (char *)dest->arg : *dst))
 			return SLBT_NESTED_ERROR(dctx);
@@ -683,7 +684,7 @@ static int slbt_exec_install_entry(
 	if (fpe) {
 		/* copy: .libs/libfoo.so.x.y.z --> libfoo.so.x */
 		if (slbt_util_copy_file(
-				dctx,ectx,
+				ectx,
 				srcfile,
 				dlnkname))
 			return SLBT_NESTED_ERROR(dctx);
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index 4545110..428c13a 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -120,7 +120,7 @@ static int slbt_exec_link_create_library_symlink(
 
 	if (fmajor && (dctx->cctx->drvflags & SLBT_DRIVER_IMAGE_PE))
 		return slbt_util_copy_file(
-			dctx,ectx,
+			ectx,
 			target,lnkname);
 	else
 		return slbt_create_symlink(
diff --git a/src/util/slbt_copy_file.c b/src/util/slbt_copy_file.c
index e6868de..3fa0074 100644
--- a/src/util/slbt_copy_file.c
+++ b/src/util/slbt_copy_file.c
@@ -11,24 +11,39 @@
 #include "slibtool_errinfo_impl.h"
 
 int slbt_util_copy_file(
-	const struct slbt_driver_ctx *	dctx,
-	struct slbt_exec_ctx *		ectx,
-	char *				src,
-	char *				dst)
+	struct slbt_exec_ctx *	ectx,
+	const char *		from,
+	const char *		to)
 {
+	int	ret;
 	int	fdcwd;
 	char **	oargv;
 	char *	oprogram;
+	char *  src;
+	char *  dst;
 	char *	cp[4];
-	int	ret;
+
+	const struct slbt_driver_ctx *  dctx;
+
+	/* driver context */
+	dctx = (slbt_get_exec_ictx(ectx))->dctx;
 
 	/* fdcwd */
 	fdcwd = slbt_driver_fdcwd(dctx);
 
 	/* placeholder? */
-	if (slbt_symlink_is_a_placeholder(fdcwd,src))
+	if (slbt_symlink_is_a_placeholder(fdcwd,from))
 		return 0;
 
+	/* until we perform an in-memory copy ... */
+	if (!(src = strdup(from)))
+		return SLBT_SYSTEM_ERROR(dctx,0);
+
+	if (!(dst = strdup(to))) {
+		free(src);
+		return SLBT_SYSTEM_ERROR(dctx,0);
+	}
+
 	/* cp argv */
 	cp[0] = "cp";
 	cp[1] = src;
@@ -47,12 +62,14 @@ int slbt_util_copy_file(
 			if (slbt_output_link(ectx)) {
 				ectx->argv = oargv;
 				ectx->program = oprogram;
+				free(src); free(dst);
 				return SLBT_NESTED_ERROR(dctx);
 			}
 		} else {
 			if (slbt_output_install(ectx)) {
 				ectx->argv = oargv;
 				ectx->program = oprogram;
+				free(src); free(dst);
 				return SLBT_NESTED_ERROR(dctx);
 			}
 		}
@@ -70,6 +87,9 @@ int slbt_util_copy_file(
 		ret = 0;
 	}
 
+	free(src);
+	free(dst);
+
 	ectx->argv = oargv;
 	ectx->program = oprogram;
 	return ret;