code base: set the visilbity of internal library interfaces to hidden.

11 files changed, 32 insertions, 12 deletions

diff --git a/src/internal/slibtool_dprintf_impl.c b/src/internal/slibtool_dprintf_impl.c
index bc84ca9..ad90a0d 100644
--- a/src/internal/slibtool_dprintf_impl.c
+++ b/src/internal/slibtool_dprintf_impl.c
@@ -11,8 +11,9 @@
 #include <errno.h>
 
 #include "slibtool_dprintf_impl.h"
+#include "slibtool_visibility_impl.h"
 
-int slbt_dprintf(int fd, const char * fmt, ...)
+slbt_hidden int slbt_dprintf(int fd, const char * fmt, ...)
 {
 	int	ret;
 	int	cnt;
diff --git a/src/internal/slibtool_driver_impl.h b/src/internal/slibtool_driver_impl.h
index 2fecb92..e4c0977 100644
--- a/src/internal/slibtool_driver_impl.h
+++ b/src/internal/slibtool_driver_impl.h
@@ -15,6 +15,7 @@
 #include <slibtool/slibtool.h>
 #include "slibtool_dprintf_impl.h"
 #include "slibtool_mapfile_impl.h"
+#include "slibtool_visibility_impl.h"
 #include "argv/argv.h"
 
 #define SLBT_OPTV_ELEMENTS 128
diff --git a/src/internal/slibtool_errinfo_impl.c b/src/internal/slibtool_errinfo_impl.c
index 02ebfc4..3b95b46 100644
--- a/src/internal/slibtool_errinfo_impl.c
+++ b/src/internal/slibtool_errinfo_impl.c
@@ -7,8 +7,9 @@
 #include <slibtool/slibtool.h>
 #include "slibtool_driver_impl.h"
 #include "slibtool_errinfo_impl.h"
+#include "slibtool_visibility_impl.h"
 
-int slbt_record_error(
+slbt_hidden int slbt_record_error(
 	const struct slbt_driver_ctx *	dctx,
 	int				esyscode,
 	int				elibcode,
diff --git a/src/internal/slibtool_lconf_impl.c b/src/internal/slibtool_lconf_impl.c
index c7d2fd3..32f192d 100644
--- a/src/internal/slibtool_lconf_impl.c
+++ b/src/internal/slibtool_lconf_impl.c
@@ -18,6 +18,7 @@
 #include "slibtool_errinfo_impl.h"
 #include "slibtool_symlink_impl.h"
 #include "slibtool_readlink_impl.h"
+#include "slibtool_visibility_impl.h"
 
 enum slbt_lconf_opt {
 	SLBT_LCONF_OPT_UNKNOWN,
@@ -708,7 +709,7 @@ static int slbt_get_lconf_var(
 	return 0;
 }
 
-int slbt_get_lconf_flags(
+slbt_hidden int slbt_get_lconf_flags(
 	struct slbt_driver_ctx *	dctx,
 	const char *			lconf,
 	uint64_t *			flags)
diff --git a/src/internal/slibtool_libmeta_impl.c b/src/internal/slibtool_libmeta_impl.c
index c3f4109..db2753b 100644
--- a/src/internal/slibtool_libmeta_impl.c
+++ b/src/internal/slibtool_libmeta_impl.c
@@ -13,6 +13,7 @@
 #include "slibtool_dprintf_impl.h"
 #include "slibtool_errinfo_impl.h"
 #include "slibtool_metafile_impl.h"
+#include "slibtool_visibility_impl.h"
 
 static int  slbt_create_default_library_wrapper(
 	const struct slbt_driver_ctx *	dctx,
@@ -266,7 +267,7 @@ static int  slbt_create_compatible_library_wrapper(
 	return (ret < 0) ? SLBT_SYSTEM_ERROR(dctx,0) : 0;
 }
 
-int  slbt_create_library_wrapper(
+slbt_hidden int slbt_create_library_wrapper(
 	const struct slbt_driver_ctx *	dctx,
 	struct slbt_exec_ctx *		ectx,
 	char *				arname,
diff --git a/src/internal/slibtool_mapfile_impl.c b/src/internal/slibtool_mapfile_impl.c
index b6c749d..3440484 100644
--- a/src/internal/slibtool_mapfile_impl.c
+++ b/src/internal/slibtool_mapfile_impl.c
@@ -15,6 +15,7 @@
 
 #include "slibtool_errinfo_impl.h"
 #include "slibtool_mapfile_impl.h"
+#include "slibtool_visibility_impl.h"
 
 static void slbt_munmap(void * addr, size_t size)
 {
@@ -23,7 +24,7 @@ static void slbt_munmap(void * addr, size_t size)
 	}
 }
 
-struct slbt_map_info * slbt_map_file(
+slbt_hidden struct slbt_map_info * slbt_map_file(
 	int		fdat,
 	const char *	path,
 	uint32_t	flags)
@@ -82,13 +83,13 @@ struct slbt_map_info * slbt_map_file(
 	return mapinfo;
 }
 
-void slbt_unmap_file(struct slbt_map_info * mapinfo)
+slbt_hidden void slbt_unmap_file(struct slbt_map_info * mapinfo)
 {
 	slbt_munmap(mapinfo->addr,mapinfo->size);
 	free(mapinfo);
 }
 
-int  slbt_mapped_readline(
+slbt_hidden int slbt_mapped_readline(
 	const struct slbt_driver_ctx *	dctx,
 	struct slbt_map_info *		mapinfo,
 	char *				buf,
diff --git a/src/internal/slibtool_objlist_impl.c b/src/internal/slibtool_objlist_impl.c
index 91bf94f..a7176cd 100644
--- a/src/internal/slibtool_objlist_impl.c
+++ b/src/internal/slibtool_objlist_impl.c
@@ -17,8 +17,9 @@
 #include "slibtool_errinfo_impl.h"
 #include "slibtool_mapfile_impl.h"
 #include "slibtool_objlist_impl.h"
+#include "slibtool_visibility_impl.h"
 
-int slbt_objlist_read(
+slbt_hidden int slbt_objlist_read(
 	int                     fdcwd,
 	struct slbt_obj_list *  objlist)
 {
diff --git a/src/internal/slibtool_objmeta_impl.c b/src/internal/slibtool_objmeta_impl.c
index 06a11a6..1694e1d 100644
--- a/src/internal/slibtool_objmeta_impl.c
+++ b/src/internal/slibtool_objmeta_impl.c
@@ -11,6 +11,7 @@
 #include "slibtool_dprintf_impl.h"
 #include "slibtool_errinfo_impl.h"
 #include "slibtool_metafile_impl.h"
+#include "slibtool_visibility_impl.h"
 
 static int  slbt_create_default_object_wrapper(
 	const struct slbt_driver_ctx *	dctx,
@@ -101,7 +102,7 @@ static int  slbt_create_compatible_object_wrapper(
 	return (ret < 0) ? SLBT_SYSTEM_ERROR(dctx,0) : 0;
 }
 
-int  slbt_create_object_wrapper(
+slbt_hidden int slbt_create_object_wrapper(
 	const struct slbt_driver_ctx *	dctx,
 	struct slbt_exec_ctx *		ectx)
 {
diff --git a/src/internal/slibtool_snprintf_impl.c b/src/internal/slibtool_snprintf_impl.c
index 3b9f266..a60fb60 100644
--- a/src/internal/slibtool_snprintf_impl.c
+++ b/src/internal/slibtool_snprintf_impl.c
@@ -11,6 +11,7 @@
 #include <errno.h>
 
 #include "slibtool_snprintf_impl.h"
+#include "slibtool_visibility_impl.h"
 
 
 /*****************************************************************/
@@ -23,7 +24,7 @@
 /**********************************************************/
 
 
-int slbt_snprintf(char * buf, size_t buflen, const char * fmt, ...)
+slbt_hidden int slbt_snprintf(char * buf, size_t buflen, const char * fmt, ...)
 {
 	va_list	ap;
 	size_t  nbytes;
diff --git a/src/internal/slibtool_symlink_impl.c b/src/internal/slibtool_symlink_impl.c
index 174cb48..21d4972 100644
--- a/src/internal/slibtool_symlink_impl.c
+++ b/src/internal/slibtool_symlink_impl.c
@@ -14,12 +14,13 @@
 #include "slibtool_symlink_impl.h"
 #include "slibtool_readlink_impl.h"
 #include "slibtool_snprintf_impl.h"
+#include "slibtool_visibility_impl.h"
 
 #define SLBT_DEV_NULL_FLAGS	(SLBT_DRIVER_ALL_STATIC      \
 				| SLBT_DRIVER_DISABLE_SHARED \
 				| SLBT_DRIVER_DISABLE_STATIC)
 
-int slbt_create_symlink(
+slbt_hidden int slbt_create_symlink(
 	const struct slbt_driver_ctx *	dctx,
 	struct slbt_exec_ctx *		ectx,
 	const char *			target,
@@ -130,7 +131,7 @@ int slbt_create_symlink(
 		: 0;
 }
 
-int slbt_symlink_is_a_placeholder(int fdcwd, char * lnkpath)
+slbt_hidden int slbt_symlink_is_a_placeholder(int fdcwd, char * lnkpath)
 {
 	size_t		len;
 	char		slink [PATH_MAX];
diff --git a/src/internal/slibtool_visibility_impl.h b/src/internal/slibtool_visibility_impl.h
new file mode 100644
index 0000000..7b1e50f
--- /dev/null
+++ b/src/internal/slibtool_visibility_impl.h
@@ -0,0 +1,10 @@
+#ifndef SLIBTOOL_VISIBILITY_IMPL_H
+#define SLIBTOOL_VISIBILITY_IMPL_H
+
+#ifdef _ATTR_VISIBILITY_HIDDEN
+#define slbt_hidden _ATTR_VISIBILITY_HIDDEN
+#else
+#define slbt_hidden
+#endif
+
+#endif