From b5e694267142042228a6cac99ecad6c4b4ef8759 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@suse.de>
Date: Mon, 27 Mar 2006 17:59:22 +0200
Subject: [PATCH] volume_id: provide a custom debug function

---
 extras/volume_id/libvolume_id/Makefile       |  2 +-
 extras/volume_id/libvolume_id/cramfs.c       |  1 -
 extras/volume_id/libvolume_id/ext.c          |  1 -
 extras/volume_id/libvolume_id/fat.c          |  1 -
 extras/volume_id/libvolume_id/hfs.c          |  1 -
 extras/volume_id/libvolume_id/highpoint.c    |  1 -
 extras/volume_id/libvolume_id/hpfs.c         |  1 -
 extras/volume_id/libvolume_id/iso9660.c      |  1 -
 extras/volume_id/libvolume_id/isw_raid.c     |  1 -
 extras/volume_id/libvolume_id/jfs.c          |  1 -
 extras/volume_id/libvolume_id/libvolume_id.h |  6 +++++
 extras/volume_id/libvolume_id/linux_raid.c   |  1 -
 extras/volume_id/libvolume_id/linux_swap.c   |  1 -
 extras/volume_id/libvolume_id/logging.h      | 24 --------------------
 extras/volume_id/libvolume_id/lsi_raid.c     |  1 -
 extras/volume_id/libvolume_id/luks.c         |  1 -
 extras/volume_id/libvolume_id/lvm.c          |  1 -
 extras/volume_id/libvolume_id/minix.c        |  1 -
 extras/volume_id/libvolume_id/ntfs.c         |  1 -
 extras/volume_id/libvolume_id/nvidia_raid.c  |  1 -
 extras/volume_id/libvolume_id/ocfs.c         |  1 -
 extras/volume_id/libvolume_id/promise_raid.c |  1 -
 extras/volume_id/libvolume_id/reiserfs.c     |  1 -
 extras/volume_id/libvolume_id/romfs.c        |  1 -
 extras/volume_id/libvolume_id/silicon_raid.c |  1 -
 extras/volume_id/libvolume_id/squashfs.c     |  1 -
 extras/volume_id/libvolume_id/sysv.c         |  1 -
 extras/volume_id/libvolume_id/udf.c          |  1 -
 extras/volume_id/libvolume_id/ufs.c          |  1 -
 extras/volume_id/libvolume_id/util.c         |  1 -
 extras/volume_id/libvolume_id/util.h         | 11 ++++++++-
 extras/volume_id/libvolume_id/via_raid.c     |  1 -
 extras/volume_id/libvolume_id/volume_id.c    |  8 ++++++-
 extras/volume_id/libvolume_id/vxfs.c         |  1 -
 extras/volume_id/libvolume_id/xfs.c          |  1 -
 extras/volume_id/vol_id.c                    | 15 ++++++++++++
 36 files changed, 39 insertions(+), 57 deletions(-)
 delete mode 100644 extras/volume_id/libvolume_id/logging.h

diff --git a/extras/volume_id/libvolume_id/Makefile b/extras/volume_id/libvolume_id/Makefile
index 5d188a23d..6a12f0e67 100644
--- a/extras/volume_id/libvolume_id/Makefile
+++ b/extras/volume_id/libvolume_id/Makefile
@@ -13,7 +13,7 @@ INSTALL_DATA  = ${INSTALL} -m 644
 INSTALL_LIB = ${INSTALL} -m 755
 
 SHLIB_CUR = 0
-SHLIB_REV = 60
+SHLIB_REV = 61
 SHLIB_AGE = 0
 SHLIB = libvolume_id.so.$(SHLIB_CUR).$(SHLIB_REV).$(SHLIB_AGE)
 
diff --git a/extras/volume_id/libvolume_id/cramfs.c b/extras/volume_id/libvolume_id/cramfs.c
index 5a7c29d35..beb34d5bc 100644
--- a/extras/volume_id/libvolume_id/cramfs.c
+++ b/extras/volume_id/libvolume_id/cramfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct cramfs_super {
diff --git a/extras/volume_id/libvolume_id/ext.c b/extras/volume_id/libvolume_id/ext.c
index d1c46471c..51c001121 100644
--- a/extras/volume_id/libvolume_id/ext.c
+++ b/extras/volume_id/libvolume_id/ext.c
@@ -25,7 +25,6 @@
 
 #include "libvolume_id.h"
 #include "util.h"
-#include "logging.h"
 
 struct ext2_super_block {
 	uint32_t	s_inodes_count;
diff --git a/extras/volume_id/libvolume_id/fat.c b/extras/volume_id/libvolume_id/fat.c
index 4b32263fd..4840a2a23 100644
--- a/extras/volume_id/libvolume_id/fat.c
+++ b/extras/volume_id/libvolume_id/fat.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 #define FAT12_MAX			0xff5
diff --git a/extras/volume_id/libvolume_id/hfs.c b/extras/volume_id/libvolume_id/hfs.c
index 627166df9..a6e378dd2 100644
--- a/extras/volume_id/libvolume_id/hfs.c
+++ b/extras/volume_id/libvolume_id/hfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct hfs_finder_info{
diff --git a/extras/volume_id/libvolume_id/highpoint.c b/extras/volume_id/libvolume_id/highpoint.c
index fa580b7b8..deba540ad 100644
--- a/extras/volume_id/libvolume_id/highpoint.c
+++ b/extras/volume_id/libvolume_id/highpoint.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct hpt37x_meta {
diff --git a/extras/volume_id/libvolume_id/hpfs.c b/extras/volume_id/libvolume_id/hpfs.c
index 41b8013bb..3e9589fcc 100644
--- a/extras/volume_id/libvolume_id/hpfs.c
+++ b/extras/volume_id/libvolume_id/hpfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct hpfs_super
diff --git a/extras/volume_id/libvolume_id/iso9660.c b/extras/volume_id/libvolume_id/iso9660.c
index 02575f8dc..7b78a7e99 100644
--- a/extras/volume_id/libvolume_id/iso9660.c
+++ b/extras/volume_id/libvolume_id/iso9660.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 #define ISO_SUPERBLOCK_OFFSET		0x8000
diff --git a/extras/volume_id/libvolume_id/isw_raid.c b/extras/volume_id/libvolume_id/isw_raid.c
index cf7c62f81..6465a31bf 100644
--- a/extras/volume_id/libvolume_id/isw_raid.c
+++ b/extras/volume_id/libvolume_id/isw_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct isw_meta {
diff --git a/extras/volume_id/libvolume_id/jfs.c b/extras/volume_id/libvolume_id/jfs.c
index f8d857878..b230fb258 100644
--- a/extras/volume_id/libvolume_id/jfs.c
+++ b/extras/volume_id/libvolume_id/jfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct jfs_super_block {
diff --git a/extras/volume_id/libvolume_id/libvolume_id.h b/extras/volume_id/libvolume_id/libvolume_id.h
index b08a650dc..7faf8d8af 100644
--- a/extras/volume_id/libvolume_id/libvolume_id.h
+++ b/extras/volume_id/libvolume_id/libvolume_id.h
@@ -18,6 +18,12 @@
 #define PACKED				__attribute__((packed))
 #endif
 
+
+typedef void (*volume_id_log_fn)(int priority, const char *file, int line, const char *format, ...)
+	     __attribute__ ((format(printf, 4, 5)));
+
+extern volume_id_log_fn volume_id_log;
+
 #define VOLUME_ID_LABEL_SIZE		64
 #define VOLUME_ID_UUID_SIZE		36
 #define VOLUME_ID_FORMAT_SIZE		32
diff --git a/extras/volume_id/libvolume_id/linux_raid.c b/extras/volume_id/libvolume_id/linux_raid.c
index ee5ed2875..85e8d8109 100644
--- a/extras/volume_id/libvolume_id/linux_raid.c
+++ b/extras/volume_id/libvolume_id/linux_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct mdp_super_block {
diff --git a/extras/volume_id/libvolume_id/linux_swap.c b/extras/volume_id/libvolume_id/linux_swap.c
index c87ef63df..0193648c9 100644
--- a/extras/volume_id/libvolume_id/linux_swap.c
+++ b/extras/volume_id/libvolume_id/linux_swap.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct swap_header_v1_2 {
diff --git a/extras/volume_id/libvolume_id/logging.h b/extras/volume_id/libvolume_id/logging.h
deleted file mode 100644
index 4a8aa50d4..000000000
--- a/extras/volume_id/libvolume_id/logging.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * volume_id_logging - this file is used to map the dbg() function
- *                     to the user's logging facility
- *
- *	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
- *	Free Software Foundation version 2 of the License.
- */
-
-#ifndef _VOLUME_ID_LOGGING_H_
-#define _VOLUME_ID_LOGGING_H_
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-/* just use the udev version */
-#include "../../../logging.h"
-
-#endif /* _VOLUME_ID_LOGGING_H_ */
diff --git a/extras/volume_id/libvolume_id/lsi_raid.c b/extras/volume_id/libvolume_id/lsi_raid.c
index 4e6c095b8..f1db4a6e5 100644
--- a/extras/volume_id/libvolume_id/lsi_raid.c
+++ b/extras/volume_id/libvolume_id/lsi_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct lsi_meta {
diff --git a/extras/volume_id/libvolume_id/luks.c b/extras/volume_id/libvolume_id/luks.c
index 5346450ec..64de85ac2 100644
--- a/extras/volume_id/libvolume_id/luks.c
+++ b/extras/volume_id/libvolume_id/luks.c
@@ -25,7 +25,6 @@
 
 #include "libvolume_id.h"
 #include "util.h"
-#include "logging.h"
 
 #define SECTOR_SHIFT			9
 #define SECTOR_SIZE			(1 << SECTOR_SHIFT)
diff --git a/extras/volume_id/libvolume_id/lvm.c b/extras/volume_id/libvolume_id/lvm.c
index 4a1620e8a..47d84b096 100644
--- a/extras/volume_id/libvolume_id/lvm.c
+++ b/extras/volume_id/libvolume_id/lvm.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct lvm1_super_block {
diff --git a/extras/volume_id/libvolume_id/minix.c b/extras/volume_id/libvolume_id/minix.c
index 957925fe1..75e9c3acb 100644
--- a/extras/volume_id/libvolume_id/minix.c
+++ b/extras/volume_id/libvolume_id/minix.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct minix_super_block
diff --git a/extras/volume_id/libvolume_id/ntfs.c b/extras/volume_id/libvolume_id/ntfs.c
index a46359268..23c64fc30 100644
--- a/extras/volume_id/libvolume_id/ntfs.c
+++ b/extras/volume_id/libvolume_id/ntfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct ntfs_super_block {
diff --git a/extras/volume_id/libvolume_id/nvidia_raid.c b/extras/volume_id/libvolume_id/nvidia_raid.c
index 7e1b58ba5..10c1c714f 100644
--- a/extras/volume_id/libvolume_id/nvidia_raid.c
+++ b/extras/volume_id/libvolume_id/nvidia_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct nvidia_meta {
diff --git a/extras/volume_id/libvolume_id/ocfs.c b/extras/volume_id/libvolume_id/ocfs.c
index c55b7234f..b376ead83 100644
--- a/extras/volume_id/libvolume_id/ocfs.c
+++ b/extras/volume_id/libvolume_id/ocfs.c
@@ -25,7 +25,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 
diff --git a/extras/volume_id/libvolume_id/promise_raid.c b/extras/volume_id/libvolume_id/promise_raid.c
index f58dab28e..2a2ce1689 100644
--- a/extras/volume_id/libvolume_id/promise_raid.c
+++ b/extras/volume_id/libvolume_id/promise_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct promise_meta {
diff --git a/extras/volume_id/libvolume_id/reiserfs.c b/extras/volume_id/libvolume_id/reiserfs.c
index 5a9d71b53..b5706f86e 100644
--- a/extras/volume_id/libvolume_id/reiserfs.c
+++ b/extras/volume_id/libvolume_id/reiserfs.c
@@ -25,7 +25,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct reiserfs_super_block {
diff --git a/extras/volume_id/libvolume_id/romfs.c b/extras/volume_id/libvolume_id/romfs.c
index 171bb5a2a..8bb2a0018 100644
--- a/extras/volume_id/libvolume_id/romfs.c
+++ b/extras/volume_id/libvolume_id/romfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct romfs_super {
diff --git a/extras/volume_id/libvolume_id/silicon_raid.c b/extras/volume_id/libvolume_id/silicon_raid.c
index e9ce4e0b7..017b023e2 100644
--- a/extras/volume_id/libvolume_id/silicon_raid.c
+++ b/extras/volume_id/libvolume_id/silicon_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct silicon_meta {
diff --git a/extras/volume_id/libvolume_id/squashfs.c b/extras/volume_id/libvolume_id/squashfs.c
index 3eabce71a..bdb1f1662 100644
--- a/extras/volume_id/libvolume_id/squashfs.c
+++ b/extras/volume_id/libvolume_id/squashfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 #define SQUASHFS_MAGIC		0x73717368
diff --git a/extras/volume_id/libvolume_id/sysv.c b/extras/volume_id/libvolume_id/sysv.c
index 41a32bbaa..52349c062 100644
--- a/extras/volume_id/libvolume_id/sysv.c
+++ b/extras/volume_id/libvolume_id/sysv.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 #define SYSV_NICINOD			100
diff --git a/extras/volume_id/libvolume_id/udf.c b/extras/volume_id/libvolume_id/udf.c
index 54e66b4e8..d7497ec51 100644
--- a/extras/volume_id/libvolume_id/udf.c
+++ b/extras/volume_id/libvolume_id/udf.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct volume_descriptor {
diff --git a/extras/volume_id/libvolume_id/ufs.c b/extras/volume_id/libvolume_id/ufs.c
index be6fa9e9e..d3960b1be 100644
--- a/extras/volume_id/libvolume_id/ufs.c
+++ b/extras/volume_id/libvolume_id/ufs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct ufs_super_block {
diff --git a/extras/volume_id/libvolume_id/util.c b/extras/volume_id/libvolume_id/util.c
index b49dd6dd1..cf5392cf9 100644
--- a/extras/volume_id/libvolume_id/util.c
+++ b/extras/volume_id/libvolume_id/util.c
@@ -26,7 +26,6 @@
 #include <sys/stat.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 void volume_id_set_unicode16(char *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count)
diff --git a/extras/volume_id/libvolume_id/util.h b/extras/volume_id/libvolume_id/util.h
index 8cb1abd36..1d1b53bb5 100644
--- a/extras/volume_id/libvolume_id/util.h
+++ b/extras/volume_id/libvolume_id/util.h
@@ -1,7 +1,7 @@
 /*
  * volume_id - reads 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
@@ -21,6 +21,15 @@
 
 #include <endian.h>
 #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)
+#ifdef DEBUG
+#define dbg(format, arg...)	volume_id_log(LOG_DEBUG, __FILE__, __LINE__, format, ##arg)
+#else
+#define dbg(format, arg...)	do { } while (0)
+#endif
 
 /* size of superblock buffer, reiserfs block is at 64k */
 #define SB_BUFFER_SIZE				0x11000
diff --git a/extras/volume_id/libvolume_id/via_raid.c b/extras/volume_id/libvolume_id/via_raid.c
index e70cfa124..42cb09806 100644
--- a/extras/volume_id/libvolume_id/via_raid.c
+++ b/extras/volume_id/libvolume_id/via_raid.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct via_meta {
diff --git a/extras/volume_id/libvolume_id/volume_id.c b/extras/volume_id/libvolume_id/volume_id.c
index e5f0d90ee..073ad79c7 100644
--- a/extras/volume_id/libvolume_id/volume_id.c
+++ b/extras/volume_id/libvolume_id/volume_id.c
@@ -27,9 +27,15 @@
 #include <sys/stat.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
+/* the user can overwrite this log function */
+static void default_log(int priority, const char *file, int line, const char *format, ...)
+{
+	return;
+}
+
+volume_id_log_fn volume_id_log = default_log;
 
 int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size)
 {
diff --git a/extras/volume_id/libvolume_id/vxfs.c b/extras/volume_id/libvolume_id/vxfs.c
index 406391bf0..d10cc3776 100644
--- a/extras/volume_id/libvolume_id/vxfs.c
+++ b/extras/volume_id/libvolume_id/vxfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 #define VXFS_SUPER_MAGIC	0xa501FCF5
diff --git a/extras/volume_id/libvolume_id/xfs.c b/extras/volume_id/libvolume_id/xfs.c
index 4b48ff125..3d870c41e 100644
--- a/extras/volume_id/libvolume_id/xfs.c
+++ b/extras/volume_id/libvolume_id/xfs.c
@@ -24,7 +24,6 @@
 #include <ctype.h>
 
 #include "libvolume_id.h"
-#include "logging.h"
 #include "util.h"
 
 struct xfs_super_block {
diff --git a/extras/volume_id/vol_id.c b/extras/volume_id/vol_id.c
index 518962c10..b086b3710 100644
--- a/extras/volume_id/vol_id.c
+++ b/extras/volume_id/vol_id.c
@@ -60,6 +60,18 @@ void log_message(int priority, const char *format, ...)
 }
 #endif
 
+static void vid_log(int priority, const char *file, int line, const char *format, ...)
+{
+#ifdef USE_LOG
+	va_list args;
+
+	va_start(args, format);
+	log_message(priority, format, args);
+	va_end(args);
+#endif
+	return;
+}
+
 static void set_str(char *to, const char *from, size_t count)
 {
 	size_t i, j, len;
@@ -117,6 +129,9 @@ int main(int argc, char *argv[])
 
 	logging_init("vol_id");
 
+	/* hook in our debug into libvolume_id */
+	volume_id_log = vid_log;
+
 	for (i = 1 ; i < argc; i++) {
 		char *arg = argv[i];
 
-- 
2.30.2