diff --git a/include/ntfs/debug.h b/include/ntfs/debug.h
index 805b4587..57fdf3bc 100644
--- a/include/ntfs/debug.h
+++ b/include/ntfs/debug.h
@@ -26,52 +26,10 @@
 #include "config.h"
 #endif
 
-#ifdef HAVE_STDIO_H
-#include <stdio.h>
-#endif
-
 #include "logging.h"
 
 struct _runlist_element;
 
-extern void __Sprintf(const int silent, const char *fmt, ...)
-		__attribute__((format(printf, 2, 3)));
-#define Sprintf(silent, f, a...)	__Sprintf(silent, f, ##a)
-
-#ifdef DEBUG
-
-/* Debug output to stderr.  To get it run ./configure --enable-debug. */
-
-extern void __ntfs_debug(const char *file, int line, const char *function,
-		const char *format, ...) __attribute__((format(printf, 4, 5)));
-#define ntfs_debug(f, a...)						\
-		__ntfs_debug(__FILE__, __LINE__, __FUNCTION__, f, ##a)
-
-extern void __ntfs_error(const char *function,
-		const char *fmt, ...) __attribute__((format(printf, 2, 3)));
-#define ntfs_error(sb, f, a...)		__ntfs_error(__FUNCTION__, f, ##a)
-
-extern void __Dprintf(const char *fmt, ...)
-		__attribute__((format(printf, 1, 2)));
-#define Dprintf(f, a...)	__Dprintf(f, ##a)
-
-extern void __Dputs(const char *s);
-#define Dputs(s)		__Dputs(s)
-
-extern void __Dperror(const char *s);
-#define Dperror(s)		__Dperror(s)
-
-#else /* if !DEBUG */
-
-#define ntfs_debug(f, a...)		do {} while (0)
-#define ntfs_error(f, a...)		do {} while (0)
-
-#define Dprintf(f, a...)	do {} while (0)
-#define Dputs(s)		do {} while (0)
-#define Dperror(s)		do {} while (0)
-
-#endif /* !DEBUG */
-
 #ifdef NTFS_DISABLE_DEBUG_LOGGING
 static __inline__ void ntfs_debug_runlist_dump(const struct _runlist_element *rl __attribute__((unused))) {}
 #else
diff --git a/libntfs/debug.c b/libntfs/debug.c
index 425dbd64..63eabbb1 100644
--- a/libntfs/debug.c
+++ b/libntfs/debug.c
@@ -32,119 +32,6 @@
 #include "debug.h"
 #include "logging.h"
 
-/**
- * Sprintf - silencable output to stderr
- * @silent:	if 0 string is output to stderr
- * @fmt:	printf style format string
- * @...:	optional arguments for the printf style format string
- *
- * If @silent is 0, output the string @fmt to stderr.
- *
- * This is basically a replacement for:
- *
- *	if (!silent)
- *		fprintf(stderr, fmt, ...);
- *
- * It is more convenient to use Sprintf instead of the above code and perhaps
- * more importantly, Sprintf makes it much easier to turn it into a "do
- * nothing" function, by defining it to "do {} while (0)" in debug.h instead of
- * to * __Sprintf, thus removing the whole output completely.
- */
-void __Sprintf(const int silent, const char *fmt, ...)
-{
-	int eo;
-	va_list ap;
-
-	if (silent)
-		return;
-	eo = errno;
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	errno = eo;
-}
-
-#ifdef DEBUG
-
-/* Debug output to stderr.  To get it run ./configure --enable-debug. */
-
-/**
- * __ntfs_error
- */
-void __ntfs_error(const char *function, const char *fmt, ...)
-{
-	int eo = errno;
-	int flen = 0;
-	va_list args;
-	char err_buf[1024];
-
-	if (function)
-		flen = strlen(function);
-	va_start(args, fmt);
-	vsnprintf(err_buf, sizeof(err_buf), fmt, args);
-	va_end(args);
-	fprintf(stderr, "NTFS error: %s(): %s\n", flen ? function : "",
-			err_buf);
-	errno = eo;
-}
-
-/**
- * __ntfs_debug
- */
-void __ntfs_debug(const char *file, int line, const char *function,
-		const char *fmt, ...)
-{
-	int eo = errno;
-	int flen = 0;
-	va_list args;
-	char err_buf[1024];
-
-	if (function)
-		flen = strlen(function);
-	va_start(args, fmt);
-	vsnprintf(err_buf, sizeof(err_buf), fmt, args);
-	va_end(args);
-	fprintf(stderr, "NTFS DEBUG (%s, %d): %s(): %s\n", file, line,
-			flen ? function : "", err_buf);
-	errno = eo;
-}
-
-/**
- * __Dprintf
- */
-void __Dprintf(const char *fmt, ...)
-{
-	int eo = errno;
-	va_list ap;
-
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	errno = eo;
-}
-
-/**
- * __Dputs
- */
-void __Dputs(const char *s)
-{
-	int eo = errno;
-	fprintf(stderr, "%s\n", s);
-	errno = eo;
-}
-
-/**
- * __Dperror
- */
-void __Dperror(const char *s)
-{
-	int eo = errno;
-	perror(s);
-	errno = eo;
-}
-
-#endif
-
 #ifndef NTFS_DISABLE_DEBUG_LOGGING
 /**
  * ntfs_debug_runlist_dump - Dump a runlist.
diff --git a/libntfs/logging.c b/libntfs/logging.c
index 6ec0ec27..10da2fe4 100644
--- a/libntfs/logging.c
+++ b/libntfs/logging.c
@@ -485,7 +485,7 @@ BOOL ntfs_logging_parse_option(const char *option)
 		return TRUE;
 	}
 
-	ntfs_log_warning("Unknown logging option '%s'\n", option);
+	ntfs_log_debug("Unknown logging option '%s'\n", option);
 	return FALSE;
 }
 
diff --git a/ntfsprogs/mkntfs.c b/ntfsprogs/mkntfs.c
index bc5d8956..7880c208 100644
--- a/ntfsprogs/mkntfs.c
+++ b/ntfsprogs/mkntfs.c
@@ -1412,7 +1412,7 @@ static int mkntfs_attr_find(const ATTR_TYPES type, const ntfschar *name,
 			}
 		}
 	}
-	Dputs("mkntfs_attr_find(): File is corrupt. Run chkdsk.");
+	ntfs_log_trace("File is corrupt. Run chkdsk.\n");
 	errno = EIO;
 	return -1;
 }
diff --git a/ntfsprogs/ntfsclone.c b/ntfsprogs/ntfsclone.c
index a2aa4eb7..32f7d051 100644
--- a/ntfsprogs/ntfsclone.c
+++ b/ntfsprogs/ntfsclone.c
@@ -1187,8 +1187,8 @@ static s64 device_size_get(int fd)
 	{	u64 size;
 
 		if (ioctl(fd, BLKGETSIZE64, &size) >= 0) {
-			Dprintf("BLKGETSIZE64 nr bytes = %llu (0x%llx)\n",
-				(unsigned long long)size,
+			ntfs_log_debug("BLKGETSIZE64 nr bytes = %llu "
+				"(0x%llx).\n", (unsigned long long)size,
 				(unsigned long long)size);
 			return (s64)size;
 		}
@@ -1198,8 +1198,8 @@ static s64 device_size_get(int fd)
 	{	unsigned long size;
 
 		if (ioctl(fd, BLKGETSIZE, &size) >= 0) {
-			Dprintf("BLKGETSIZE nr 512 byte blocks = %lu "
-				"(0x%lx)\n", size, size);
+			ntfs_log_debug("BLKGETSIZE nr 512 byte blocks = %lu "
+				"(0x%lx).\n", size, size);
 			return (s64)size * 512;
 		}
 	}
@@ -1208,8 +1208,9 @@ static s64 device_size_get(int fd)
 	{       struct floppy_struct this_floppy;
 
 		if (ioctl(fd, FDGETPRM, &this_floppy) >= 0) {
-			Dprintf("FDGETPRM nr 512 byte blocks = %lu (0x%lx)\n",
-				this_floppy.size, this_floppy.size);
+			ntfs_log_debug("FDGETPRM nr 512 byte blocks = %lu "
+				"(0x%lx).\n", this_floppy.size,
+				this_floppy.size);
 			return (s64)this_floppy.size * 512;
 		}
 	}
diff --git a/ntfsprogs/ntfsfix.c b/ntfsprogs/ntfsfix.c
index 17f456d2..ccc832f7 100644
--- a/ntfsprogs/ntfsfix.c
+++ b/ntfsprogs/ntfsfix.c
@@ -176,33 +176,34 @@ static int OLD_ntfs_volume_set_flags(ntfs_volume *vol, const u16 flags)
 		return -1;
 	}
 	if (ntfs_file_record_read(vol, FILE_Volume, &m, NULL)) {
-		Dperror("Failed to read $Volume");
+		ntfs_log_perror("Failed to read $Volume");
 		return -1;
 	}
 	/* Sanity check */
 	if (!(m->flags & MFT_RECORD_IN_USE)) {
-		Dprintf("Error: $Volume has been deleted. Cannot "
-				"handle this yet. Run chkdsk to fix this.\n");
+		ntfs_log_error("$Volume has been deleted. Cannot handle this "
+				"yet. Run chkdsk to fix this.\n");
 		errno = EIO;
 		goto err_exit;
 	}
 	/* Get a pointer to the volume information attribute. */
 	ctx = ntfs_attr_get_search_ctx(NULL, m);
 	if (!ctx) {
-		Dperror("Failed to allocate attribute search context");
+		ntfs_log_debug("Failed to allocate attribute search "
+				"context.\n");
 		goto err_exit;
 	}
 	if (ntfs_attr_lookup(AT_VOLUME_INFORMATION, AT_UNNAMED, 0, 0, 0, NULL,
 			0, ctx)) {
-		Dputs("Error: Attribute $VOLUME_INFORMATION was not found in "
-				"$Volume!");
+		ntfs_log_error("Attribute $VOLUME_INFORMATION was not found in "
+				"$Volume!\n");
 		goto err_out;
 	}
 	a = ctx->attr;
 	/* Sanity check. */
 	if (a->non_resident) {
-		Dputs("Error: Attribute $VOLUME_INFORMATION must be resident "
-				"(and it isn't)!");
+		ntfs_log_error("Attribute $VOLUME_INFORMATION must be resident "
+				"(and it isn't)!\n");
 		errno = EIO;
 		goto err_out;
 	}
@@ -213,15 +214,15 @@ static int OLD_ntfs_volume_set_flags(ntfs_volume *vol, const u16 flags)
 			(char*)m + le32_to_cpu(m->bytes_in_use) ||
 			le16_to_cpu(a->value_offset) +
 			le32_to_cpu(a->value_length) > le32_to_cpu(a->length)) {
-		Dputs("Error: Attribute $VOLUME_INFORMATION in $Volume is "
-				"corrupt!");
+		ntfs_log_error("Attribute $VOLUME_INFORMATION in $Volume is "
+				"corrupt!\n");
 		errno = EIO;
 		goto err_out;
 	}
 	/* Set the volume flags. */
 	vol->flags = c->flags = cpu_to_le16(flags);
 	if (ntfs_mft_record_write(vol, FILE_Volume, m)) {
-		Dperror("Error writing $Volume");
+		ntfs_log_perror("Error writing $Volume");
 		goto err_out;
 	}
 	ret = 0; /* success */
diff --git a/ntfsprogs/ntfsinfo.c b/ntfsprogs/ntfsinfo.c
index 8bc55a16..a7dbdd33 100644
--- a/ntfsprogs/ntfsinfo.c
+++ b/ntfsprogs/ntfsinfo.c
@@ -153,7 +153,7 @@ static void usage (void)
  */
 static int parse_options (int argc, char *argv[])
 {
-	static const char *sopt = "-fh?i:F:mqtTvVd:";
+	static const char *sopt = "-:fhi:F:mqtTvVd:";
 	static const struct option lopt[] = {
 		{ "device",	 required_argument,	NULL, 'd' },
 		{ "force",	 no_argument,		NULL, 'f' },
@@ -179,6 +179,8 @@ static int parse_options (int argc, char *argv[])
 	opts.filename = NULL;
 
 	while ((c = getopt_long (argc, argv, sopt, lopt, NULL)) != (char)-1) {
+		ntfs_log_trace("optind=%d; c='%c' optarg=\"%s\".\n", optind, c,
+				optarg);
 		switch (c) {
 		case 'd':
 			if (!opts.device)
@@ -205,7 +207,6 @@ static int parse_options (int argc, char *argv[])
 			opts.force++;
 			break;
 		case 'h':
-		case '?':
 			help++;
 			break;
 		case 'q':
@@ -228,12 +229,24 @@ static int parse_options (int argc, char *argv[])
 		case 'm':
 			opts.mft++;
 			break;
-		default:
-			if ((optopt == 'i') && (!optarg)) {
-				Eprintf ("Option '%s' requires an argument.\n", argv[optind-1]);
-			} else {
-				Eprintf ("Unknown option '%s'.\n", argv[optind-1]);
+		case '?':
+			if (optopt=='?') {
+				help++;
+				continue;
 			}
+			if (ntfs_logging_parse_option(argv[optind-1]))
+				continue;
+			ntfs_log_error("Unknown option '%s'.\n",
+					argv[optind-1]);
+			err++;
+			break;
+		case ':':
+			ntfs_log_error("Option '%s' requires an "
+					"argument.\n", argv[optind-1]);
+			err++;
+			break;
+		default:
+			ntfs_log_error("Unhandled option case: %d.\n", c);
 			err++;
 			break;
 		}
@@ -1362,9 +1375,10 @@ static void ntfs_dump_index_allocation(ATTR_RECORD *attr, ntfs_inode *ni)
 			Vprintf("\tDumping index block "
 					"(VCN %lld, used %u/%u):", le64_to_cpu(
 					tmp_alloc->index_block_vcn),
+					(unsigned int)le32_to_cpu(tmp_alloc->
+					index.index_length), (unsigned int)
 					le32_to_cpu(tmp_alloc->index.
-					index_length), le32_to_cpu(tmp_alloc->
-					index.allocated_size));
+					allocated_size));
 			total_entries += ntfs_dump_index_entries(entry, type);
 			total_indx_blocks++;
 		}
diff --git a/ntfsprogs/ntfsundelete.c b/ntfsprogs/ntfsundelete.c
index 848b9400..cd089662 100644
--- a/ntfsprogs/ntfsundelete.c
+++ b/ntfsprogs/ntfsundelete.c
@@ -26,7 +26,7 @@
 #include "config.h"
 
 #ifdef HAVE_FEATURES_H
-#	include <features.h>
+#include <features.h>
 #endif
 #ifdef HAVE_STDIO_H
 #include <stdio.h>
@@ -83,9 +83,7 @@
 
 static const char *EXEC_NAME = "ntfsundelete";
 static const char *MFTFILE   = "mft";
-#ifdef DEBUG
 static const char *UNNAMED   = "<unnamed>";
-#endif
 static const char *NONE      = "<none>";
 static const char *UNKNOWN   = "unknown";
 static struct options opts;
@@ -333,7 +331,8 @@ static int transform (const char *pattern, char **regex)
 
 	result[j]   = '$';
 	result[j+1] = 0;
-	Dprintf ("Pattern '%s' replaced with regex '%s'\n", pattern, result);
+	ntfs_log_debug("Pattern '%s' replaced with regex '%s'.\n", pattern,
+			result);
 
 	*regex = result;
 	return 1;
@@ -372,7 +371,7 @@ static int parse_time (const char *value, time_t *since)
 	if (!value || !since)
 		return -1;
 
-	Dprintf ("parsing time '%s' ago\n", value);
+	ntfs_log_trace("Parsing time '%s' ago.\n", value);
 
 	result = strtoll (value, &suffix, 10);
 	if (result < 0 || errno == ERANGE) {
@@ -406,7 +405,8 @@ static int parse_time (const char *value, time_t *since)
 
 	now = time (NULL);
 
-	Dprintf ("Time now = %lld, Time then = %lld.\n", (long long) now, (long long) result);
+	ntfs_log_debug("Time now = %lld, Time then = %lld.\n", (long long) now,
+			(long long) result);
 	*since = now - result;
 	return 1;
 }
@@ -709,19 +709,23 @@ static void free_file (struct ufile *file)
 
 	list_for_each_safe (item, tmp, &file->name) { /* List of filenames */
 		struct filename *f = list_entry (item, struct filename, list);
-		Dprintf ("freeing filename '%s'\n", f->name ? f->name : NONE);
+		ntfs_log_debug("freeing filename '%s'", f->name ? f->name :
+				NONE);
 		if (f->name)
 			free (f->name);
 		if (f->parent_name) {
-			Dprintf ("\tand parent filename '%s'\n", f->parent_name);
+			ntfs_log_debug(" and parent filename '%s'",
+					f->parent_name);
 			free (f->parent_name);
 		}
+		ntfs_log_debug(".\n");
 		free (f);
 	}
 
 	list_for_each_safe (item, tmp, &file->data) { /* List of data streams */
 		struct data *d = list_entry (item, struct data, list);
-		Dprintf ("freeing data stream '%s'\n", d->name ? d->name : UNNAMED);
+		ntfs_log_debug("Freeing data stream '%s'.\n", d->name ?
+				d->name : UNNAMED);
 		if (d->name)
 			free (d->name);
 		if (d->runlist)
@@ -826,12 +830,14 @@ static void get_parent_name (struct filename* name, ntfs_volume* vol)
 
 		if (ntfs_attr_pread(mft_data, vol->mft_record_size * inode_num, vol->mft_record_size, rec) < 1) {
 			Eprintf ("ERROR: Couldn't read MFT Record %lld.\n", inode_num);
-		} else {
-			if ((filename_attr = verify_parent(name, rec))) {
-				if (ntfs_ucstombs(filename_attr->file_name, filename_attr->file_name_length, &name->parent_name, 0) < 0) {
-					Dprintf ("Couldn't translate filename to current locale.\n");
-					name->parent_name = NULL;
-				}
+		} else if ((filename_attr = verify_parent(name, rec))) {
+			if (ntfs_ucstombs(filename_attr->file_name,
+					filename_attr->file_name_length,
+					&name->parent_name, 0) < 0) {
+				ntfs_log_debug("ERROR: Couldn't translate "
+						"filename to current "
+						"locale.\n");
+				name->parent_name = NULL;
 			}
 		}
 	}
@@ -907,7 +913,8 @@ static int get_filenames (struct ufile *file, ntfs_volume* vol)
 
 		if (ntfs_ucstombs (name->uname, name->uname_len, &name->name,
 				0) < 0) {
-			Dprintf ("ERROR: Couldn't translate filename to current locale.\n");
+			ntfs_log_debug("ERROR: Couldn't translate filename to "
+					"current locale.\n");
 		}
 
 		name->parent_name = NULL;
@@ -931,7 +938,7 @@ static int get_filenames (struct ufile *file, ntfs_volume* vol)
 	}
 
 	ntfs_attr_put_search_ctx(ctx);
-	Dprintf ("File has %d names.\n", count);
+	ntfs_log_debug("File has %d names.\n", count);
 	return count;
 }
 
@@ -998,7 +1005,7 @@ static int get_data (struct ufile *file, ntfs_volume *vol)
 
 		data->runlist = ntfs_mapping_pairs_decompress(vol, rec, NULL);
 		if (!data->runlist) {
-			Dprintf ("Couldn't decompress the data runs\n");
+			ntfs_log_debug("Couldn't decompress the data runs.\n");
 		}
 
 		file->max_size = max (file->max_size, data->size_data);
@@ -1009,7 +1016,7 @@ static int get_data (struct ufile *file, ntfs_volume *vol)
 	}
 
 	ntfs_attr_put_search_ctx(ctx);
-	Dprintf ("File has %d data streams.\n", count);
+	ntfs_log_debug("File has %d data streams.\n", count);
 	return count;
 }
 
@@ -1071,7 +1078,8 @@ static struct ufile * read_record (ntfs_volume *vol, long long record)
 	attr20 = find_first_attribute (AT_ATTRIBUTE_LIST,	file->mft);
 	attr90 = find_first_attribute (AT_INDEX_ROOT,		file->mft);
 
-	Dprintf ("Attributes present: %s %s %s\n", attr10?"0x10":"", attr20?"0x20":"", attr90?"0x90":"");
+	ntfs_log_debug("Attributes present: %s %s %s.\n", attr10?"0x10":"",
+			attr20?"0x20":"", attr90?"0x90":"");
 
 	if (attr10) {
 		STANDARD_INFORMATION *si;
@@ -1131,7 +1139,7 @@ static int calc_percentage (struct ufile *file, ntfs_volume *vol)
 		return -1;
 
 	if (file->directory) {
-		Dprintf ("Found a directory: not recoverable.\n");
+		ntfs_log_debug("Found a directory: not recoverable.\n");
 		return 0;
 	}
 
@@ -1297,7 +1305,7 @@ static void dump_record (struct ufile *file)
 	Qprintf ("Data Streams:\n");
 	list_for_each (item, &file->data) {
 		struct data *d = list_entry (item, struct data, list);
-		Qprintf ("Name: %s\n", (d->name) ? d->name : "<unnamed>");
+		Qprintf ("Name: %s\n", (d->name) ? d->name : UNNAMED);
 		Qprintf ("Flags: ");
 		if (d->resident)   Qprintf ("Resident\n");
 		if (d->compressed) Qprintf ("Compressed\n");
@@ -1428,12 +1436,12 @@ static int name_match (regex_t *re, struct ufile *file)
 			Eprintf ("Couldn't compare filename with regex: %s\n", strerror (errno));
 			return 0;
 		} else if (result == REG_NOERROR) {
-			Dprintf ("Found a matching filename.\n");
+			ntfs_log_debug("Found a matching filename.\n");
 			return 1;
 		}
 	}
 
-	Dprintf ("Filename '%s' doesn't match regex.\n", file->pref_name);
+	ntfs_log_debug("Filename '%s' doesn't match regex.\n", file->pref_name);
 	return 0;
 }
 
@@ -1981,7 +1989,8 @@ static int copy_mft (ntfs_volume *vol, long long mft_begin, long long mft_end)
 	name = opts.output;
 	if (!name) {
 		name = MFTFILE;
-		Dprintf ("No output filename, defaulting to '%s'.\n", name);
+		ntfs_log_debug("No output filename, defaulting to '%s'.\n",
+				name);
 	}
 
 	create_pathname (opts.dest, name, NULL, pathname, sizeof (pathname));
@@ -1996,10 +2005,10 @@ static int copy_mft (ntfs_volume *vol, long long mft_begin, long long mft_end)
 
 	mft_end = min (mft_end, nr_mft_records - 1);
 
-	Dprintf ("MFT records\n");
-	Dprintf ("    Total: %8lld\n", nr_mft_records);
-	Dprintf ("    Begin: %8lld\n", mft_begin);
-	Dprintf ("    End:   %8lld\n", mft_end);
+	ntfs_log_debug("MFT records:\n");
+	ntfs_log_debug("\tTotal: %8lld\n", nr_mft_records);
+	ntfs_log_debug("\tBegin: %8lld\n", mft_begin);
+	ntfs_log_debug("\tEnd:   %8lld\n", mft_end);
 
 	for (i = mft_begin; i <= mft_end; i++) {
 		if (ntfs_attr_pread (mft, vol->mft_record_size * i, vol->mft_record_size, buffer) < vol->mft_record_size) {
diff --git a/ntfsprogs/ntfswipe.c b/ntfsprogs/ntfswipe.c
index 66f63479..30a352c7 100644
--- a/ntfsprogs/ntfswipe.c
+++ b/ntfsprogs/ntfswipe.c
@@ -170,10 +170,10 @@ static int parse_list (char *list, int **result)
 		ptr = end + 1;
 	}
 
-	Dprintf ("Parsing list '%s' - ", list);
+	ntfs_log_debug("Parsing list '%s' - ", list);
 	for (i = 0; i <= count; i++)
-		Dprintf ("0x%02x ", mem[i]);
-	Dprintf ("\n");
+		ntfs_log_debug("0x%02x ", mem[i]);
+	ntfs_log_debug("\n");
 
 	*result = mem;
 	return count;
@@ -1094,18 +1094,18 @@ static s64 wipe_logfile (ntfs_volume *vol, int byte, enum action act
 	//Qprintf ("wipe_logfile (not implemented) 0x%02x\n", byte);
 
 	if ((ni = ntfs_inode_open(vol, FILE_LogFile)) == NULL) {
-		Dprintf("Failed to open inode FILE_LogFile.\n");
+		ntfs_log_debug("Failed to open inode FILE_LogFile.\n");
 		return -1;
 	}
 
 	if ((na = ntfs_attr_open(ni, AT_DATA, AT_UNNAMED, 0)) == NULL) {
-		Dprintf("Failed to open $FILE_LogFile/$DATA\n");
+		ntfs_log_debug("Failed to open $FILE_LogFile/$DATA.\n");
 		goto error_exit;
 	}
 
 	/* The $DATA attribute of the $LogFile has to be non-resident. */
 	if (!NAttrNonResident(na)) {
-		Dprintf("$LogFile $DATA attribute is resident!?!\n");
+		ntfs_log_debug("$LogFile $DATA attribute is resident!?!\n");
 		errno = EIO;
 		goto io_error_exit;
 	}
@@ -1113,7 +1113,8 @@ static s64 wipe_logfile (ntfs_volume *vol, int byte, enum action act
 	/* Get length of $LogFile contents. */
 	len = na->data_size;
 	if (!len) {
-		Dprintf("$LogFile has zero length, no disk write needed.\n");
+		ntfs_log_debug("$LogFile has zero length, no disk write "
+				"needed.\n");
 		return 0;
 	}
 
@@ -1125,8 +1126,8 @@ static s64 wipe_logfile (ntfs_volume *vol, int byte, enum action act
 		pos += count;
 
 	if (count == -1 || pos != len) {
-		Dprintf("Amount of $LogFile data read does not "
-			"correspond to expected length!");
+		ntfs_log_debug("Amount of $LogFile data read does not "
+			"correspond to expected length!\n");
 		if (count != -1)
 			errno = EIO;
 		goto io_error_exit;
@@ -1142,7 +1143,8 @@ static s64 wipe_logfile (ntfs_volume *vol, int byte, enum action act
 			count = NTFS_BUF_SIZE2;
 
 		if ((count = ntfs_attr_pwrite(na, pos, count, buf)) <= 0) {
-			Dprintf("Failed to set the $LogFile attribute value.");
+			ntfs_log_debug("Failed to set the $LogFile attribute "
+					"value.\n");
 			if (count != -1)
 				errno = EIO;
 			goto io_error_exit;
@@ -1198,18 +1200,18 @@ static s64 wipe_pagefile (ntfs_volume *vol, int byte, enum action act
 
 	ni = ntfs_pathname_to_inode(vol, NULL, "pagefile.sys");
 	if (!ni) {
-		Dprintf("Failed to open inode of pagefile.sys.\n");
+		ntfs_log_debug("Failed to open inode of pagefile.sys.\n");
 		return 0;
 	}
 
 	if ((na = ntfs_attr_open(ni, AT_DATA, AT_UNNAMED, 0)) == NULL) {
-		Dprintf("Failed to open pagefile.sys/$DATA\n");
+		ntfs_log_debug("Failed to open pagefile.sys/$DATA.\n");
 		goto error_exit;
 	}
 
 	/* The $DATA attribute of the pagefile.sys has to be non-resident. */
 	if (!NAttrNonResident(na)) {
-		Dprintf("pagefile.sys $DATA attribute is resident!?!\n");
+		ntfs_log_debug("pagefile.sys $DATA attribute is resident!?!\n");
 		errno = EIO;
 		goto io_error_exit;
 	}
@@ -1217,7 +1219,8 @@ static s64 wipe_pagefile (ntfs_volume *vol, int byte, enum action act
 	/* Get length of pagefile.sys contents. */
 	len = na->data_size;
 	if (!len) {
-		Dprintf("pagefile.sys has zero length, no disk write needed.\n");
+		ntfs_log_debug("pagefile.sys has zero length, no disk write "
+				"needed.\n");
 		return 0;
 	}
 
@@ -1230,7 +1233,8 @@ static s64 wipe_pagefile (ntfs_volume *vol, int byte, enum action act
 			count = NTFS_BUF_SIZE2;
 
 		if ((count = ntfs_attr_pwrite(na, pos, count, buf)) <= 0) {
-			Dprintf("Failed to set the pagefile.sys attribute value.");
+			ntfs_log_debug("Failed to set the pagefile.sys "
+					"attribute value.\n");
 			if (count != -1)
 				errno = EIO;
 			goto io_error_exit;