Patch from Jason Allen to minimise memory usage marking constant reference
tables.
See http://bmaurer.blogspot.com/2006/03/memory-usage-with-smaps.html .

diff -ur audiofile-0.2.6-orig/libaudiofile/aiff.c audiofile-0.2.6-mine/libaudiofile/aiff.c
--- audiofile-0.2.6-orig/libaudiofile/aiff.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/aiff.c	2006-03-22 02:15:50.058306000 -0500
@@ -64,7 +64,7 @@
 static status ParseSSND (AFfilehandle file, AFvirtualfile *fh, u_int32_t type,
 	size_t size);
 
-_InstParamInfo _af_aiff_inst_params[_AF_AIFF_NUM_INSTPARAMS] =
+const _InstParamInfo _af_aiff_inst_params[_AF_AIFF_NUM_INSTPARAMS] =
 {
 	{ AF_INST_MIDI_BASENOTE, AU_PVTYPE_LONG, "MIDI base note", {60} },
 	{ AF_INST_NUMCENTS_DETUNE, AU_PVTYPE_LONG, "Detune in cents", {0} },
@@ -77,7 +77,7 @@
 	{ AF_INST_RELLOOPID, AU_PVTYPE_LONG, "Release loop id", {0} }
 };
 
-int _af_aiffc_compression_types[_AF_AIFF_NUM_COMPTYPES] =
+const int _af_aiffc_compression_types[_AF_AIFF_NUM_COMPTYPES] =
 {
 	AF_COMPRESSION_G711_ULAW,
 	AF_COMPRESSION_G711_ALAW
diff -ur audiofile-0.2.6-orig/libaudiofile/compression.c audiofile-0.2.6-mine/libaudiofile/compression.c
--- audiofile-0.2.6-orig/libaudiofile/compression.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/compression.c	2006-03-22 02:04:44.948739250 -0500
@@ -37,7 +37,7 @@
 #include "units.h"
 #include "util.h"
 
-extern _CompressionUnit _af_compression[];
+extern const _CompressionUnit _af_compression[];
 
 int _af_compression_index_from_id (int compressionid)
 {
@@ -54,7 +54,7 @@
 	return -1;
 }
 
-static _CompressionUnit *findCompression (int compressionid)
+static const _CompressionUnit *findCompression (int compressionid)
 {
 	int	compressionno;
 
diff -ur audiofile-0.2.6-orig/libaudiofile/debug.c audiofile-0.2.6-mine/libaudiofile/debug.c
--- audiofile-0.2.6-orig/libaudiofile/debug.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/debug.c	2006-03-22 01:56:31.187180000 -0500
@@ -49,7 +49,7 @@
 #include "print.h"
 #include "debug.h"
 
-extern _CompressionUnit _af_compression[];
+extern const _CompressionUnit _af_compression[];
 
 void _af_printid (u_int32_t id)
 {
diff -ur audiofile-0.2.6-orig/libaudiofile/format.c audiofile-0.2.6-mine/libaudiofile/format.c
--- audiofile-0.2.6-orig/libaudiofile/format.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/format.c	2006-03-22 01:56:21.586580000 -0500
@@ -43,7 +43,7 @@
 #include "units.h"
 #include "modules.h"
 
-extern _Unit _af_units[];
+extern const _Unit _af_units[];
 
 AFfileoffset afGetDataOffset (AFfilehandle file, int trackid)
 {
diff -ur audiofile-0.2.6-orig/libaudiofile/g711.c audiofile-0.2.6-mine/libaudiofile/g711.c
--- audiofile-0.2.6-orig/libaudiofile/g711.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/g711.c	2006-03-21 22:57:37.356130750 -0500
@@ -38,7 +38,7 @@
 #define	SEG_MASK	(0x70)		/* Segment field mask. */
 
 /* copy from CCITT G.711 specifications */
-static unsigned char _u2a[128] = {		/* u- to A-law conversions */
+static const unsigned char _u2a[128] = {		/* u- to A-law conversions */
 	1,	1,	2,	2,	3,	3,	4,	4,
 	5,	5,	6,	6,	7,	7,	8,	8,
 	9,	10,	11,	12,	13,	14,	15,	16,
@@ -56,7 +56,7 @@
 	113,	114,	115,	116,	117,	118,	119,	120,
 	121,	122,	123,	124,	125,	126,	127,	128};
 
-static unsigned char _a2u[128] = {		/* A- to u-law conversions */
+static const unsigned char _a2u[128] = {		/* A- to u-law conversions */
 	1,	3,	5,	7,	9,	11,	13,	15,
 	16,	17,	18,	19,	20,	21,	22,	23,
 	24,	25,	26,	27,	28,	29,	30,	31,
@@ -77,7 +77,7 @@
 /* see libst.h */
 #ifdef	SUPERCEDED
 
-static short seg_end[8] = {0xFF, 0x1FF, 0x3FF, 0x7FF,
+static const short seg_end[8] = {0xFF, 0x1FF, 0x3FF, 0x7FF,
 			    0xFFF, 0x1FFF, 0x3FFF, 0x7FFF};
 
 static int
diff -ur audiofile-0.2.6-orig/libaudiofile/instrument.c audiofile-0.2.6-mine/libaudiofile/instrument.c
--- audiofile-0.2.6-orig/libaudiofile/instrument.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/instrument.c	2006-03-22 01:56:12.642021000 -0500
@@ -55,7 +55,7 @@
 
 #include <stdio.h>
 
-extern _Unit _af_units[];
+extern const _Unit _af_units[];
 
 /*
 	Initialize instrument id list for audio file.
diff -ur audiofile-0.2.6-orig/libaudiofile/modules.c audiofile-0.2.6-mine/libaudiofile/modules.c
--- audiofile-0.2.6-orig/libaudiofile/modules.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/modules.c	2006-03-22 02:07:29.411017500 -0500
@@ -56,15 +56,15 @@
 
 #define NULLMODULEPARAM
 
-extern _PCMInfo _af_default_signed_integer_pcm_mappings[];
-extern _PCMInfo _af_default_unsigned_integer_pcm_mappings[];
-extern _PCMInfo _af_default_float_pcm_mapping;
-extern _PCMInfo _af_default_double_pcm_mapping;
+extern const _PCMInfo _af_default_signed_integer_pcm_mappings[];
+extern const _PCMInfo _af_default_unsigned_integer_pcm_mappings[];
+extern const _PCMInfo _af_default_float_pcm_mapping;
+extern const _PCMInfo _af_default_double_pcm_mapping;
 
 extern _CompressionUnit _af_compression[];
 
 /* Define rebuffering modules. */
-extern _AFmodule int2rebufferv2f, int2rebufferf2v;
+extern const _AFmodule int2rebufferv2f, int2rebufferf2v;
 
 /*
 	module utility routines
@@ -1511,7 +1511,7 @@
 	}
 };
 
-static _PCMInfo *intmappings[6] =
+static const _PCMInfo *intmappings[6] =
 {
 	&_af_default_signed_integer_pcm_mappings[1],
 	&_af_default_signed_integer_pcm_mappings[2],
diff -ur audiofile-0.2.6-orig/libaudiofile/next.c audiofile-0.2.6-mine/libaudiofile/next.c
--- audiofile-0.2.6-orig/libaudiofile/next.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/next.c	2006-03-22 02:15:59.742911250 -0500
@@ -47,7 +47,7 @@
 #include "setup.h"
 #include "byteorder.h"
 
-int _af_next_compression_types[_AF_NEXT_NUM_COMPTYPES] =
+const int _af_next_compression_types[_AF_NEXT_NUM_COMPTYPES] =
 {
 	AF_COMPRESSION_G711_ULAW,
 	AF_COMPRESSION_G711_ALAW
diff -ur audiofile-0.2.6-orig/libaudiofile/openclose.c audiofile-0.2.6-mine/libaudiofile/openclose.c
--- audiofile-0.2.6-orig/libaudiofile/openclose.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/openclose.c	2006-03-22 01:55:33.067547750 -0500
@@ -45,7 +45,7 @@
 #define SETBINARYMODE(x)
 #endif /* WIN32 || __CYGWIN__ */
 
-extern _Unit _af_units[];
+extern const _Unit _af_units[];
 
 static void freeFileHandle (AFfilehandle filehandle);
 static void freeInstParams (AFPVu *values, int fileFormat);
diff -ur audiofile-0.2.6-orig/libaudiofile/pcm.c audiofile-0.2.6-mine/libaudiofile/pcm.c
--- audiofile-0.2.6-orig/libaudiofile/pcm.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/pcm.c	2006-03-21 22:56:53.581395000 -0500
@@ -33,7 +33,7 @@
 #include "pcm.h"
 #include "util.h"
 
-_PCMInfo _af_default_signed_integer_pcm_mappings[] =
+const _PCMInfo _af_default_signed_integer_pcm_mappings[] =
 {
 	{0, 0, 0, 0},
 	{SLOPE_INT8, 0, MIN_INT8, MAX_INT8},
@@ -42,7 +42,7 @@
 	{SLOPE_INT32, 0, MIN_INT32, MAX_INT32}
 };
 
-_PCMInfo _af_default_unsigned_integer_pcm_mappings[] =
+const _PCMInfo _af_default_unsigned_integer_pcm_mappings[] =
 {
 	{0, 0, 0, 0},
 	{SLOPE_INT8, INTERCEPT_U_INT8, 0, MAX_U_INT8},
@@ -51,10 +51,10 @@
 	{SLOPE_INT32, INTERCEPT_U_INT32, 0, MAX_U_INT32}
 };
 
-_PCMInfo _af_default_float_pcm_mapping =
+const _PCMInfo _af_default_float_pcm_mapping =
 {1, 0, 0, 0};
 
-_PCMInfo _af_default_double_pcm_mapping =
+const _PCMInfo _af_default_double_pcm_mapping =
 {1, 0, 0, 0};
 
 /*
diff -ur audiofile-0.2.6-orig/libaudiofile/query.c audiofile-0.2.6-mine/libaudiofile/query.c
--- audiofile-0.2.6-orig/libaudiofile/query.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/query.c	2006-03-22 01:55:23.070923000 -0500
@@ -43,8 +43,8 @@
 #include "compression.h"
 #include "instrument.h"
 
-extern _Unit _af_units[];
-extern _CompressionUnit _af_compression[];
+extern const _Unit _af_units[];
+extern const _CompressionUnit _af_compression[];
 
 AUpvlist _afQueryFileFormat (int arg1, int arg2, int arg3, int arg4);
 AUpvlist _afQueryInstrument (int arg1, int arg2, int arg3, int arg4);
diff -ur audiofile-0.2.6-orig/libaudiofile/raw.c audiofile-0.2.6-mine/libaudiofile/raw.c
--- audiofile-0.2.6-orig/libaudiofile/raw.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/raw.c	2006-03-22 02:16:08.563462500 -0500
@@ -50,7 +50,7 @@
 	NULL			/* miscellaneous */
 };
 
-int _af_raw_compression_types[_AF_RAW_NUM_COMPTYPES] =
+const int _af_raw_compression_types[_AF_RAW_NUM_COMPTYPES] =
 {
 	AF_COMPRESSION_G711_ULAW,
 	AF_COMPRESSION_G711_ALAW
diff -ur audiofile-0.2.6-orig/libaudiofile/setup.c audiofile-0.2.6-mine/libaudiofile/setup.c
--- audiofile-0.2.6-orig/libaudiofile/setup.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/setup.c	2006-03-22 02:16:14.567837750 -0500
@@ -39,7 +39,7 @@
 
 extern _Unit _af_units[];
 
-_AFfilesetup _af_default_file_setup =
+const _AFfilesetup _af_default_file_setup =
 {
 	_AF_VALID_FILESETUP,	/* valid */
 #if WORDS_BIGENDIAN
@@ -58,7 +58,7 @@
 	NULL		/* miscellaneous */
 };
 
-_InstrumentSetup _af_default_instrumentsetup =
+const _InstrumentSetup _af_default_instrumentsetup =
 {
 	0,		/* id */
 	2,		/* loopCount */
@@ -66,7 +66,7 @@
 	AF_FALSE	/* loopSet */
 };
 
-_TrackSetup _af_default_tracksetup =
+const _TrackSetup _af_default_tracksetup =
 {
 	0,
 	{
diff -ur audiofile-0.2.6-orig/libaudiofile/units.c audiofile-0.2.6-mine/libaudiofile/units.c
--- audiofile-0.2.6-orig/libaudiofile/units.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/units.c	2006-03-22 02:02:12.335201500 -0500
@@ -56,7 +56,7 @@
 extern int _af_next_compression_types[];
 extern int _af_wave_compression_types[];
 
-_Unit _af_units[_AF_NUM_UNITS] =
+const _Unit _af_units[_AF_NUM_UNITS] =
 {
 	{
 		AF_FILE_RAWDATA,
@@ -221,7 +221,7 @@
 	}
 };
 
-_CompressionUnit _af_compression[_AF_NUM_COMPRESSION] =
+const _CompressionUnit _af_compression[_AF_NUM_COMPRESSION] =
 {
 	{
 		AF_COMPRESSION_NONE,
diff -ur audiofile-0.2.6-orig/libaudiofile/util.c audiofile-0.2.6-mine/libaudiofile/util.c
--- audiofile-0.2.6-orig/libaudiofile/util.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/util.c	2006-03-22 01:54:41.944352750 -0500
@@ -46,12 +46,12 @@
 #include "byteorder.h"
 #include "aupvinternal.h"
 
-extern _PCMInfo _af_default_signed_integer_pcm_mappings[];
-extern _PCMInfo _af_default_unsigned_integer_pcm_mappings[];
-extern _PCMInfo _af_default_float_pcm_mapping;
-extern _PCMInfo _af_default_double_pcm_mapping;
+extern const _PCMInfo _af_default_signed_integer_pcm_mappings[];
+extern const _PCMInfo _af_default_unsigned_integer_pcm_mappings[];
+extern const _PCMInfo _af_default_float_pcm_mapping;
+extern const _PCMInfo _af_default_double_pcm_mapping;
 
-extern _CompressionUnit _af_compression[];
+extern const _CompressionUnit _af_compression[];
 
 /*
 	_af_filesetup_ok and _af_filehandle_ok are sanity check routines
diff -ur audiofile-0.2.6-orig/libaudiofile/wave.c audiofile-0.2.6-mine/libaudiofile/wave.c
--- audiofile-0.2.6-orig/libaudiofile/wave.c	2004-03-06 01:39:23.000000000 -0500
+++ audiofile-0.2.6-mine/libaudiofile/wave.c	2006-03-22 02:16:29.568775250 -0500
@@ -49,13 +49,13 @@
 #include "setup.h"
 #include "marker.h"
 
-int _af_wave_compression_types[_AF_WAVE_NUM_COMPTYPES] =
+const int _af_wave_compression_types[_AF_WAVE_NUM_COMPTYPES] =
 {
 	AF_COMPRESSION_G711_ULAW,
 	AF_COMPRESSION_G711_ALAW
 };
 
-_InstParamInfo _af_wave_inst_params[_AF_WAVE_NUM_INSTPARAMS] =
+const _InstParamInfo _af_wave_inst_params[_AF_WAVE_NUM_INSTPARAMS] =
 {
 	{ AF_INST_MIDI_BASENOTE, AU_PVTYPE_LONG, "MIDI base note", {60} },
 	{ AF_INST_NUMCENTS_DETUNE, AU_PVTYPE_LONG, "Detune in cents", {0} },