diff --git a/lrzip.c b/lrzip.c
index 15673e1..0c3463e 100644
--- a/lrzip.c
+++ b/lrzip.c
@@ -52,7 +52,6 @@
 #include "runzip.h"
 #include "util.h"
 #include "stream.h"
-#include "liblrzip.h" /* flag defines */
 
 #define MAGIC_LEN (24)
 
@@ -319,14 +318,14 @@ static bool fwrite_stdout(rzip_control *control, void *buf, i64 len)
 			ret = one_g;
 		else
 			ret = len;
-		ret = fwrite(offset_buf, 1, ret, stdout);
+		ret = fwrite(offset_buf, 1, ret, control->outFILE);
 		if (unlikely(ret <= 0))
 			fatal_return(("Failed to fwrite in fwrite_stdout\n"), false);
 		len -= ret;
 		offset_buf += ret;
 		total += ret;
 	}
-	fflush(stdout);
+	fflush(control->outFILE);
 	return true;
 }
 
@@ -375,10 +374,10 @@ bool dump_tmpoutfile(rzip_control *control, int fd_out)
 	rewind(tmpoutfp);
 
 	if (!TEST_ONLY) {
-		print_verbose("Dumping temporary file to stdout.\n");
+		print_verbose("Dumping temporary file to control->outFILE.\n");
 		while ((tmpchar = fgetc(tmpoutfp)) != EOF)
 			putchar(tmpchar);
-		fflush(stdout);
+		fflush(control->outFILE);
 		rewind(tmpoutfp);
 	}
 
@@ -564,7 +563,7 @@ static bool get_hash(rzip_control *control, int make_hash)
 	mlock(control->hash, HASH_LEN);
 
 	if (control->pass_cb) {
-		control->pass_cb(control->pass_data, passphrase, PASS_LEN);
+		control->pass_cb(control->pass_data, passphrase, PASS_LEN - SALT_LEN);
 		if (!passphrase[0]) {
 			fatal("Supplied password was null!");
 			munlock(passphrase, PASS_LEN);
@@ -574,6 +573,7 @@ static bool get_hash(rzip_control *control, int make_hash)
 			release_hashes(control);
 			return false;
 		}
+		control->salt_pass_len = strlen(passphrase) + SALT_LEN;
 	} else {
 		/* Disable stdin echo to screen */
 		tcgetattr(fileno(stdin), &termios_p);
@@ -1194,6 +1194,7 @@ bool initialize_control(rzip_control *control)
 
 	memset(control, 0, sizeof(rzip_control));
 	control->msgout = stderr;
+	control->msgerr = stderr;
 	register_outputfile(control, control->msgout);
 	control->flags = FLAG_SHOW_PROGRESS | FLAG_KEEP_FILES | FLAG_THRESHOLD;
 	control->suffix = strdup(".lrz");
diff --git a/lrzip_private.h b/lrzip_private.h
index 3b8b98e..3dcb939 100644
--- a/lrzip_private.h
+++ b/lrzip_private.h
@@ -27,6 +27,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdbool.h>
+#include <stdarg.h>
 #ifdef HAVE_STRING_H
 # include <string.h>
 #endif
@@ -52,6 +53,10 @@ extern "C"
 void *alloca (size_t);
 #endif
 
+#ifndef MD5_DIGEST_SIZE
+# define MD5_DIGEST_SIZE 16
+#endif
+
 #define free(X) do { free((X)); (X) = NULL; } while (0)
 
 #ifndef strdupa
@@ -262,31 +267,6 @@ typedef struct md5_ctx md5_ctx;
 #define TMP_INBUF	(control->flags & FLAG_TMP_INBUF)
 #define ENCRYPT		(control->flags & FLAG_ENCRYPT)
 
-#define print_output(format, args...)	do {\
-	fprintf(control->msgout, format, ##args);	\
-	fflush(control->msgout);	\
-} while (0)
-
-#define print_progress(format, args...)	do {\
-	if (SHOW_PROGRESS)	\
-		print_output(format, ##args);	\
-} while (0)
-
-#define print_verbose(format, args...)	do {\
-	if (VERBOSE)	\
-		print_output(format, ##args);	\
-} while (0)
-
-#define print_maxverbose(format, args...)	do {\
-	if (MAX_VERBOSE)	\
-		print_output(format, ##args);	\
-} while (0)
-
-
-#define print_err(format, args...)	do {\
-	fprintf(stderr, format, ##args);	\
-} while (0)
-
 
 /* Structure to save state of computation between the single steps.  */
 struct md5_ctx
@@ -303,8 +283,10 @@ struct md5_ctx
 
 struct rzip_control {
 	char *infile;
+	FILE *inFILE; // if a FILE is being read from
 	char *outname;
 	char *outfile;
+	FILE *outFILE; // if a FILE is being written to
 	char *outdir;
 	char *tmpdir; // when stdin, stdout, or test used
 	uchar *tmp_outbuf; // Temporary file storage for stdout
@@ -318,6 +300,7 @@ struct rzip_control {
 	i64 in_len;
 	i64 in_maxlen;
 	FILE *msgout; //stream for output messages
+	FILE *msgerr; //stream for output errors
 	char *suffix;
 	uchar compression_level;
 	i64 overhead; // compressor overhead
@@ -349,6 +332,7 @@ struct rzip_control {
 	unsigned char eof;
 	unsigned char magic_written;
 	md5_ctx ctx;
+	uchar md5_resblock[MD5_DIGEST_SIZE];
 	i64 md5_read; // How far into the file the md5 has done so far
 	const char *util_infile;
 	char delete_infile;
@@ -356,7 +340,8 @@ struct rzip_control {
 	char delete_outfile;
 	FILE *outputfile;
 	char library_mode : 1;
-	void (*log_cb)(void *, unsigned int, const char *, const char *, va_list);
+	int log_level;
+	void (*log_cb)(void *data, unsigned int level, unsigned int line, const char *file, const char *func, const char *format, va_list);
 	void *log_data;
 };
 
@@ -387,4 +372,60 @@ struct stream_info {
 	int chunks;
 	char chunk_bytes;
 };
+
+static inline void print_stuff(const rzip_control *control, int level, unsigned int line, const char *file, const char *func, const char *format, ...)
+{
+	va_list ap;
+	if (control->library_mode && control->log_cb && (control->log_level >= level)) {
+		va_start(ap, format);
+		control->log_cb(control->log_data, level, line, file, func, format, ap);
+		va_end(ap);
+	} else if (control->msgout) {
+		va_start(ap, format);
+		vfprintf(control->msgout, format, ap);
+		fflush(control->msgout);
+		va_end(ap);
+	}
+}
+
+static inline void print_err(const rzip_control *control, unsigned int line, const char *file, const char *func, const char *format, ...)
+{
+	va_list ap;
+	if (control->library_mode && control->log_cb && (control->log_level >= 0)) {
+		va_start(ap, format);
+		control->log_cb(control->log_data, 0, line, file, func, format, ap);
+		va_end(ap);
+	} else if (control->msgerr) {
+		va_start(ap, format);
+		vfprintf(control->msgerr, format, ap);
+		va_end(ap);
+	}
+}
+
+#define print_stuff(level, format, args...) do {\
+	print_stuff(control, level, __LINE__, __FILE__, __func__, format, ##args); \
+} while (0)
+
+#define print_output(format, args...)	do {\
+	print_stuff(1, format, ##args); \
+} while (0)
+
+#define print_progress(format, args...)	do {\
+	if (SHOW_PROGRESS)	\
+		print_stuff(2, format, ##args); \
+} while (0)
+
+#define print_verbose(format, args...)	do {\
+	if (VERBOSE)	\
+		print_stuff(3, format, ##args); \
+} while (0)
+
+#define print_maxverbose(format, args...)	do {\
+	if (MAX_VERBOSE)	\
+		print_stuff(4, format, ##args); \
+} while (0)
+
+#define print_err(format, args...) do {\
+	print_err(control, __LINE__, __FILE__, __func__, format, ##args); \
+} while (0)
 #endif
diff --git a/main.c b/main.c
index 122cc8b..bae4bb6 100644
--- a/main.c
+++ b/main.c
@@ -49,7 +49,6 @@
 # include <arpa/inet.h>
 #endif
 
-#include "liblrzip.h"
 #include "rzip.h"
 #include "lrzip.h"
 #include "util.h"
@@ -284,6 +283,7 @@ int main(int argc, char *argv[])
 			if (unlikely(STDOUT))
 				failure("Cannot specify an output filename when outputting to stdout\n");
 			control->outname = optarg;
+			free(control->suffix);
 			control->suffix = "";
 			break;
 		case 'O':
@@ -311,6 +311,7 @@ int main(int argc, char *argv[])
 				failure("Specified output filename already, can't specify an extension.\n");
 			if (unlikely(STDOUT))
 				failure("Cannot specify a filename suffix when outputting to stdout\n");
+			free(control->suffix);
 			control->suffix = optarg;
 			break;
 		case 't':
@@ -410,6 +411,7 @@ int main(int argc, char *argv[])
 
 		if (control->outname && (strcmp(control->outname, "-") == 0)) {
 			control->flags |= FLAG_STDOUT;
+			control->outFILE = stdout;
 			control->msgout = stderr;
 			register_outputfile(control, control->msgout);
 		}
@@ -419,6 +421,7 @@ int main(int argc, char *argv[])
 		if (!control->outname && STDIN) {
 			control->flags |= FLAG_STDOUT;
 			control->msgout = stderr;
+			control->outFILE = stdout;
 			register_outputfile(control, control->msgout);
 		}
 
@@ -426,6 +429,7 @@ int main(int argc, char *argv[])
 			control->msgout = stdout;
 			register_outputfile(control, control->msgout);
 		}
+		if (STDIN) control->inFILE = stdin;
 		/* Implement signal handler only once flags are set */
 		handler.sa_handler = &sighandler;
 		sigaction(SIGTERM, &handler, 0);
diff --git a/runzip.c b/runzip.c
index a6cd358..0a2ee82 100644
--- a/runzip.c
+++ b/runzip.c
@@ -45,7 +45,6 @@
 #include "stream.h"
 #include "util.h"
 #include "lrzip.h"
-#include "liblrzip.h"
 /* needed for CRC routines */
 #include "lzma/C/7zCrc.h"
 
@@ -364,7 +363,6 @@ static i64 runzip_chunk(rzip_control *control, int fd_in, i64 expected_size, i64
  */
 i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 expected_size)
 {
-	uchar md5_resblock[MD5_DIGEST_SIZE];
 	uchar md5_stored[MD5_DIGEST_SIZE];
 	struct timeval start,end;
 	i64 total = 0, u;
@@ -395,7 +393,7 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
 	if (!NO_MD5) {
 		int i,j;
 
-		md5_finish_ctx (&control->ctx, md5_resblock);
+		md5_finish_ctx (&control->ctx, control->md5_resblock);
 		if (HAS_MD5) {
 			i64 fdinend = seekto_fdinend(control);
 
@@ -409,13 +407,13 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
 			if (ENCRYPT)
 				if (unlikely(!lrz_decrypt(control, md5_stored, MD5_DIGEST_SIZE, control->salt_pass))) return -1;
 			for (i = 0; i < MD5_DIGEST_SIZE; i++)
-				if (md5_stored[i] != md5_resblock[i]) {
+				if (md5_stored[i] != control->md5_resblock[i]) {
 					print_output("MD5 CHECK FAILED.\nStored:");
 					for (j = 0; j < MD5_DIGEST_SIZE; j++)
 						print_output("%02x", md5_stored[j] & 0xFF);
 					print_output("\nOutput file:");
 					for (j = 0; j < MD5_DIGEST_SIZE; j++)
-						print_output("%02x", md5_resblock[j] & 0xFF);
+						print_output("%02x", control->md5_resblock[j] & 0xFF);
 					failure_return(("\n"), -1);
 				}
 		}
@@ -423,7 +421,7 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
 		if (HASH_CHECK || MAX_VERBOSE) {
 			print_output("MD5: ");
 			for (i = 0; i < MD5_DIGEST_SIZE; i++)
-				print_output("%02x", md5_resblock[i] & 0xFF);
+				print_output("%02x", control->md5_resblock[i] & 0xFF);
 			print_output("\n");
 		}
 
@@ -433,22 +431,22 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
 
 			if (TMP_OUTBUF)
 				close_tmpoutbuf(control);
-			memcpy(md5_stored, md5_resblock, MD5_DIGEST_SIZE);
+			memcpy(md5_stored, control->md5_resblock, MD5_DIGEST_SIZE);
 			if (unlikely(seekto_fdhist(control, 0) == -1))
 				fatal_return(("Failed to seekto_fdhist in runzip_fd\n"), -1);
 			if (unlikely((md5_fstream = fdopen(fd_hist, "r")) == NULL))
 				fatal_return(("Failed to fdopen fd_hist in runzip_fd\n"), -1);
-			if (unlikely(md5_stream(md5_fstream, md5_resblock)))
+			if (unlikely(md5_stream(md5_fstream, control->md5_resblock)))
 				fatal_return(("Failed to md5_stream in runzip_fd\n"), -1);
 			/* We don't close the file here as it's closed in main */
 			for (i = 0; i < MD5_DIGEST_SIZE; i++)
-				if (md5_stored[i] != md5_resblock[i]) {
+				if (md5_stored[i] != control->md5_resblock[i]) {
 					print_output("MD5 CHECK FAILED.\nStored:");
 					for (j = 0; j < MD5_DIGEST_SIZE; j++)
 						print_output("%02x", md5_stored[j] & 0xFF);
 					print_output("\nOutput file:");
 					for (j = 0; j < MD5_DIGEST_SIZE; j++)
-						print_output("%02x", md5_resblock[j] & 0xFF);
+						print_output("%02x", control->md5_resblock[j] & 0xFF);
 					failure_return(("\n"), -1);
 				}
 			print_output("MD5 integrity of written file matches archive\n");
diff --git a/rzip.c b/rzip.c
index a85728e..9a3a00e 100644
--- a/rzip.c
+++ b/rzip.c
@@ -54,7 +54,6 @@
 #include "md5.h"
 #include "stream.h"
 #include "util.h"
-#include "liblrzip.h"
 #include "lrzip.h"
 /* needed for CRC routines */
 #include "lzma/C/7zCrc.h"
@@ -712,7 +711,7 @@ static bool mmap_stdin(rzip_control *control, uchar *buf, struct rzip_state *st)
 	total = 0;
 	while (len > 0) {
 		ret = MIN(len, one_g);
-		ret = read(0, offset_buf, (size_t)ret);
+		ret = read(fileno(control->inFILE), offset_buf, (size_t)ret);
 		if (unlikely(ret < 0))
 			fatal_return(("Failed to read in mmap_stdin\n"), false);
 		total += ret;
@@ -806,7 +805,6 @@ bool rzip_fd(rzip_control *control, int fd_in, int fd_out)
 	 * If file size < compression window, can't do
 	 */
 	struct timeval current, start, last;
-	uchar md5_resblock[MD5_DIGEST_SIZE];
 	i64 len = 0, last_chunk = 0;
 	int pass = 0, passes, j;
 	struct rzip_state *st;
@@ -1066,20 +1064,20 @@ retry:
 
 	if (!NO_MD5) {
 		/* Temporary workaround till someone fixes apple md5 */
-		md5_finish_ctx(&control->ctx, md5_resblock);
+		md5_finish_ctx(&control->ctx, control->md5_resblock);
 		if (HASH_CHECK || MAX_VERBOSE) {
 			print_output("MD5: ");
 			for (j = 0; j < MD5_DIGEST_SIZE; j++)
-				print_output("%02x", md5_resblock[j] & 0xFF);
+				print_output("%02x", control->md5_resblock[j] & 0xFF);
 			print_output("\n");
 		}
 		/* When encrypting data, we encrypt the MD5 value as well */
 		if (ENCRYPT)
-			if (unlikely(!lrz_encrypt(control, md5_resblock, MD5_DIGEST_SIZE, control->salt_pass))) {
+			if (unlikely(!lrz_encrypt(control, control->md5_resblock, MD5_DIGEST_SIZE, control->salt_pass))) {
 				free(st);
 				return false;
 			}
-		if (unlikely(write_1g(control, md5_resblock, MD5_DIGEST_SIZE) != MD5_DIGEST_SIZE)) {
+		if (unlikely(write_1g(control, control->md5_resblock, MD5_DIGEST_SIZE) != MD5_DIGEST_SIZE)) {
 			free(st);
 			fatal_return(("Failed to write md5 in rzip_fd\n"), false);
 		}
@@ -1122,6 +1120,6 @@ void rzip_control_free(rzip_control *control)
    if (!control) return;
 
    free(control->tmpdir);
-   free(control->suffix);
+   if (control->suffix && control->suffix[0]) free(control->suffix);
    free(control);
 }
diff --git a/stream.c b/stream.c
index da79744..c946bfa 100644
--- a/stream.c
+++ b/stream.c
@@ -60,7 +60,6 @@
 
 #include "util.h"
 #include "zpipe.h"
-#include "liblrzip.h"
 #include "lrzip.h"
 
 
@@ -865,7 +864,7 @@ static inline int read_val(rzip_control *control, int f, i64 *v, int len)
 	return ret;
 }
 
-static int fd_seekto(struct stream_info *sinfo, i64 spos, i64 pos)
+static int fd_seekto(rzip_control *control, struct stream_info *sinfo, i64 spos, i64 pos)
 {
 	if (unlikely(lseek(sinfo->fd, spos, SEEK_SET) != spos)) {
 		print_err("Failed to seek to %lld in stream\n", pos);
@@ -889,7 +888,7 @@ static int seekto(rzip_control *control, struct stream_info *sinfo, i64 pos)
 		return 0;
 	}
 
-	return fd_seekto(sinfo, spos, pos);
+	return fd_seekto(control, sinfo, spos, pos);
 }
 
 static int read_seekto(rzip_control *control, struct stream_info *sinfo, i64 pos)
@@ -907,7 +906,7 @@ static int read_seekto(rzip_control *control, struct stream_info *sinfo, i64 pos
 		return 0;
 	}
 
-	return fd_seekto(sinfo, spos, pos);
+	return fd_seekto(control, sinfo, spos, pos);
 }
 
 static i64 get_seek(rzip_control *control, int fd)
diff --git a/util.c b/util.c
index 5c75377..58b1fa6 100644
--- a/util.c
+++ b/util.c
@@ -52,7 +52,6 @@
 #include <sys/mman.h>
 #include <fcntl.h>
 #include "lrzip_private.h"
-#include "liblrzip.h"
 #include "util.h"
 #include "sha4.h"
 #include "aes.h"
diff --git a/util.h b/util.h
index 55d60f9..9193240 100644
--- a/util.h
+++ b/util.h
@@ -28,7 +28,7 @@ void unlink_files(rzip_control *control);
 void register_outputfile(rzip_control *control, FILE *f);
 void fatal_exit(rzip_control *control);
 /* Failure when there is likely to be a meaningful error in perror */
-static inline void fatal(const rzip_control *control, unsigned int line, const char *file, const char *format, ...)
+static inline void fatal(const rzip_control *control, unsigned int line, const char *file, const char *func, const char *format, ...)
 {
 	va_list ap;
 
@@ -37,7 +37,7 @@ static inline void fatal(const rzip_control *control, unsigned int line, const c
 		vfprintf(stderr, format, ap);
 		perror(NULL);
 	} else
-		control->log_cb(control->log_data, line, file, format, ap);
+		control->log_cb(control->log_data, 0, line, file, func, format, ap);
 	va_end(ap);
 	if (!control->library_mode)
 		fatal_exit((rzip_control*)control);
@@ -45,7 +45,7 @@ static inline void fatal(const rzip_control *control, unsigned int line, const c
 #ifdef fatal
 # undef fatal
 #endif
-#define fatal(stuff...) fatal(control, __LINE__, __FILE__, stuff)
+#define fatal(stuff...) fatal(control, __LINE__, __FILE__, __func__, stuff)
 #define fatal_return(stuff, ...) do { \
 	fatal stuff; \
 	return __VA_ARGS__; \
@@ -54,7 +54,7 @@ static inline void fatal(const rzip_control *control, unsigned int line, const c
 	fatal stuff; \
 	goto label; \
 } while (0)
-static inline void failure(const rzip_control *control, unsigned int line, const char *file, const char *format, ...)
+static inline void failure(const rzip_control *control, unsigned int line, const char *file, const char *func, const char *format, ...)
 {
 	va_list ap;
 
@@ -62,7 +62,7 @@ static inline void failure(const rzip_control *control, unsigned int line, const
 	if (!control->log_cb)
 		vfprintf(stderr, format, ap);
 	else
-		control->log_cb(control->log_data, line, file, format, ap);
+		control->log_cb(control->log_data, 0, line, file, func, format, ap);
 	va_end(ap);
 	if (!control->library_mode)
 		fatal_exit((rzip_control*)control);
@@ -70,7 +70,7 @@ static inline void failure(const rzip_control *control, unsigned int line, const
 #ifdef failure
 # undef failure
 #endif
-#define failure(stuff...) failure(control, __LINE__, __FILE__, stuff)
+#define failure(stuff...) failure(control, __LINE__, __FILE__, __func__, stuff)
 #define failure_return(stuff, ...) do { \
 	failure stuff; \
 	return __VA_ARGS__; \