volume_id: define exported symbols

6 files changed, 55 insertions, 10 deletions

diff --git a/extras/volume_id/lib/Makefile b/extras/volume_id/lib/Makefile
index 6a12f0e67a..f69df5f5ca 100644
--- a/extras/volume_id/lib/Makefile
+++ b/extras/volume_id/lib/Makefile
@@ -81,7 +81,9 @@ libvolume_id.a: $(HEADERS) $(OBJS)
 
 $(SHLIB): $(HEADERS) .shlib $(addprefix .shlib/,$(OBJS))
 	$(E) "  CC      " $@
-	$(Q) $(CC) -shared $(CFLAGS) -o $@ -Wl,-soname,libvolume_id.so.$(SHLIB_CUR) $(addprefix .shlib/,$(OBJS))
+	$(Q) $(CC) -shared $(CFLAGS) -o $@ \
+		-Wl,-soname,libvolume_id.so.$(SHLIB_CUR),--version-script,exported_symbols \
+		$(addprefix .shlib/,$(OBJS))
 	$(Q) ln -sf $@ libvolume_id.so.$(SHLIB_CUR)
 	$(Q) ln -sf $@ libvolume_id.so
 
diff --git a/extras/volume_id/lib/exported_symbols b/extras/volume_id/lib/exported_symbols
new file mode 100644
index 0000000000..b1ff3cce3a
--- /dev/null
+++ b/extras/volume_id/lib/exported_symbols
@@ -0,0 +1,43 @@
+{ global:
+	volume_id_log_fn;
+	volume_id_open_fd;
+	volume_id_open_node;
+	volume_id_probe_all;
+	volume_id_probe_filesystem;
+	volume_id_probe_raid;
+	volume_id_close;
+
+	volume_id_probe_cramfs;
+	volume_id_probe_ext;
+	volume_id_probe_vfat;
+	volume_id_probe_hfs_hfsplus;
+	volume_id_probe_hpfs;
+	volume_id_probe_iso9660;
+	volume_id_probe_jfs;
+	volume_id_probe_minix;
+	volume_id_probe_ntfs;
+	volume_id_probe_ocfs1;
+	volume_id_probe_ocfs2;
+	volume_id_probe_reiserfs;
+	volume_id_probe_romfs;
+	volume_id_probe_sysv;
+	volume_id_probe_udf;
+	volume_id_probe_ufs;
+	volume_id_probe_vxfs;
+	volume_id_probe_xfs;
+	volume_id_probe_squashfs;
+
+	volume_id_probe_linux_raid;
+	volume_id_probe_lvm1;
+	volume_id_probe_lvm2;
+	volume_id_probe_intel_software_raid;
+	volume_id_probe_highpoint_37x_raid;
+	volume_id_probe_highpoint_45x_raid;
+	volume_id_probe_lsi_mega_raid;
+	volume_id_probe_nvidia_raid;
+	volume_id_probe_promise_fasttrack_raid;
+	volume_id_probe_silicon_medley_raid;
+	volume_id_probe_via_raid;
+local:
+	*;
+};
diff --git a/extras/volume_id/lib/libvolume_id.h b/extras/volume_id/lib/libvolume_id.h
index 7faf8d8af3..06b1baa9d0 100644
--- a/extras/volume_id/lib/libvolume_id.h
+++ b/extras/volume_id/lib/libvolume_id.h
@@ -19,10 +19,10 @@
 #endif
 
 
-typedef void (*volume_id_log_fn)(int priority, const char *file, int line, const char *format, ...)
+typedef void (*volume_id_log_fn_t)(int priority, const char *file, int line, const char *format, ...)
 	     __attribute__ ((format(printf, 4, 5)));
 
-extern volume_id_log_fn volume_id_log;
+extern volume_id_log_fn_t volume_id_log_fn;
 
 #define VOLUME_ID_LABEL_SIZE		64
 #define VOLUME_ID_UUID_SIZE		36
diff --git a/extras/volume_id/lib/util.h b/extras/volume_id/lib/util.h
index 1d1b53bb57..dc60a09123 100644
--- a/extras/volume_id/lib/util.h
+++ b/extras/volume_id/lib/util.h
@@ -23,10 +23,10 @@
 #include <byteswap.h>
 #include <syslog.h>
 
-#define err(format, arg...)	volume_id_log(LOG_ERR, __FILE__, __LINE__, format, ##arg)
-#define info(format, arg...)	volume_id_log(LOG_INFO, __FILE__, __LINE__, format, ##arg)
+#define err(format, arg...)	volume_id_log_fn(LOG_ERR, __FILE__, __LINE__, format, ##arg)
+#define info(format, arg...)	volume_id_log_fn(LOG_INFO, __FILE__, __LINE__, format, ##arg)
 #ifdef DEBUG
-#define dbg(format, arg...)	volume_id_log(LOG_DEBUG, __FILE__, __LINE__, format, ##arg)
+#define dbg(format, arg...)	volume_id_log_fn(LOG_DEBUG, __FILE__, __LINE__, format, ##arg)
 #else
 #define dbg(format, arg...)	do { } while (0)
 #endif
diff --git a/extras/volume_id/lib/volume_id.c b/extras/volume_id/lib/volume_id.c
index 4662b210dc..9f8e39b518 100644
--- a/extras/volume_id/lib/volume_id.c
+++ b/extras/volume_id/lib/volume_id.c
@@ -35,7 +35,7 @@ static void default_log(int priority, const char *file, int line, const char *fo
 	return;
 }
 
-volume_id_log_fn volume_id_log = default_log;
+volume_id_log_fn_t volume_id_log_fn = default_log;
 
 int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
diff --git a/extras/volume_id/vol_id.c b/extras/volume_id/vol_id.c
index 3a7361a6ac..2274550c19 100644
--- a/extras/volume_id/vol_id.c
+++ b/extras/volume_id/vol_id.c
@@ -1,7 +1,7 @@
 /*
- * vol_id - udev callout to read filesystem label and uuid
+ * vol_id - read filesystem label and uuid
  *
- * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2005-2006 Kay Sievers <kay.sievers@vrfy.org>
  *
  *	This program is free software; you can redistribute it and/or modify it
  *	under the terms of the GNU General Public License as published by the
@@ -130,7 +130,7 @@ int main(int argc, char *argv[])
 	logging_init("vol_id");
 
 	/* hook in our debug into libvolume_id */
-	volume_id_log = vid_log;
+	volume_id_log_fn = vid_log;
 
 	for (i = 1 ; i < argc; i++) {
 		char *arg = argv[i];