shithub: femtolisp

Download patch

ref: 352ab3f5f8eceb576afdfccbde7ab7cf93f69433
parent: fdccc6ded272018cf4c5ca040041d3a938b5debd
author: Sigrid Solveig Haflínudóttir <[email protected]>
date: Tue Oct 29 00:11:18 EDT 2024

more cleanup; replace all alloc/free with LLT_-prefixed macros

--- a/3rd/mp/mpaux.c
+++ b/3rd/mp/mpaux.c
@@ -75,13 +75,13 @@
 			return;
 	} else {
 		if(b->p == (mpdigit*)&b[1]){
-			b->p = (mpdigit*)malloc(n*Dbytes);
+			b->p = (mpdigit*)LLT_ALLOC(n*Dbytes);
 			if(b->p == nil)
 				sysfatal("mpbits: %r");
 			memmove(b->p, &b[1], Dbytes*b->top);
 			memset(&b[1], 0, Dbytes*b->size);
 		} else {
-			b->p = (mpdigit*)realloc(b->p, n*Dbytes);
+			b->p = (mpdigit*)LLT_REALLOC(b->p, n*Dbytes);
 			if(b->p == nil)
 				sysfatal("mpbits: %r");
 		}
@@ -101,8 +101,8 @@
 		sysfatal("freeing mp constant");
 	memset(b->p, 0, b->size*Dbytes);
 	if(b->p != (mpdigit*)&b[1])
-		free(b->p);
-	free(b);
+		LLT_FREE(b->p);
+	LLT_FREE(b);
 }
 
 mpint*
--- a/3rd/mp/mpfmt.c
+++ b/3rd/mp/mpfmt.c
@@ -11,7 +11,7 @@
 	if(n < 0)
 		return -1;
 	rv = (*enc)(buf, len, p, n);
-	free(p);
+	LLT_FREE(p);
 	return rv;
 }
 
@@ -158,7 +158,7 @@
 		for(rv=1; (base >> rv) > 1; rv++)
 			;
 		len = 10 + (b->top*Dbits / rv);
-		buf = malloc(len);
+		buf = LLT_ALLOC(len);
 		if(buf == nil)
 			return nil;
 		alloced = 1;
@@ -200,7 +200,7 @@
 	}
 	if(rv < 0){
 		if(alloced)
-			free(buf);
+			LLT_FREE(buf);
 		return nil;
 	}
 	return buf;
--- a/3rd/mp/mpmul.c
+++ b/3rd/mp/mpmul.c
@@ -90,7 +90,7 @@
 		mpvecadd(res+n, reslen-n, diffprod, u0len+v0len, res+n);
 	memmove(p, res, (alen+blen)*Dbytes);
 
-	free(t);
+	LLT_FREE(t);
 }
 
 #define KARATSUBAMIN 32
--- a/3rd/mp/mptobe.c
+++ b/3rd/mp/mptobe.c
@@ -13,7 +13,7 @@
 		m++;
 	if(p == nil){
 		n = m;
-		p = malloc(n);
+		p = LLT_ALLOC(n);
 		if(p == nil)
 			sysfatal("mptobe: %r");
 	} else {
--- a/bitvector-ops.c
+++ b/bitvector-ops.c
@@ -331,7 +331,7 @@
 		return;
 
 	nw = (offs+nbits+31)>>5;
-	temp = (nw > MALLOC_CUTOFF) ? malloc(nw*4) : a;
+	temp = (nw > MALLOC_CUTOFF) ? LLT_ALLOC(nw*4) : a;
 	for(i = 0; i < nw/2; i++){
 		temp[i]	= bitreverse(b[nw-i-1]);
 		temp[nw-i-1] = bitreverse(b[i]);
@@ -342,7 +342,7 @@
 	tail = (offs+nbits)&31;
 	bitvector_copy(b, offs, temp, (32-tail)&31, nbits);
 	if(nw > MALLOC_CUTOFF)
-		free(temp);
+		LLT_FREE(temp);
 }
 
 uint64_t
@@ -445,7 +445,7 @@
 { \
 	uint32_t nw = (doffs+nbits+31)>>5; \
 	uint32_t atmp[MALLOC_CUTOFF+1]; \
-	uint32_t *temp = nw>MALLOC_CUTOFF ? malloc((nw+1)*4) : atmp; \
+	uint32_t *temp = nw>MALLOC_CUTOFF ? LLT_ALLOC((nw+1)*4) : atmp; \
 	uint32_t i, anw, bnw; \
 	if(aoffs == boffs){ \
 		anw = (aoffs+nbits+31)>>5; \
@@ -466,7 +466,7 @@
 		temp[i] = OP(a[i], b[i]); \
 	bitvector_copy(dest, doffs, temp, aoffs, nbits); \
 	if(nw>MALLOC_CUTOFF) \
-		free(temp); \
+		LLT_FREE(temp); \
 }
 
 #define BV_AND(a, b) ((a)&(b))
--- a/bitvector.h
+++ b/bitvector.h
@@ -1,3 +1,6 @@
+// a mask with n set lo or hi bits
+#define lomask(n) (uint32_t)((((uint32_t)1)<<(n))-1)
+
 uint32_t bitreverse(uint32_t x);
 uint32_t *bitvector_new(uint64_t n, int initzero);
 uint32_t *bitvector_resize(uint32_t *b, uint64_t oldsz, uint64_t newsz, int initzero);
--- a/cvalues.c
+++ b/cvalues.c
@@ -4,6 +4,7 @@
 #include "cvalues.h"
 #include "types.h"
 #include "overflows.h"
+#include "iostream.h"
 
 // trigger unconditional GC after this many bytes are allocated
 #define ALLOC_LIMIT_TRIGGER 67108864
@@ -43,7 +44,7 @@
 {
 	if(nfinalizers == maxfinalizers){
 		size_t nn = maxfinalizers == 0 ? 256 : maxfinalizers*2;
-		cvalue_t **temp = realloc(Finalizers, nn*sizeof(cvalue_t*));
+		cvalue_t **temp = LLT_REALLOC(Finalizers, nn*sizeof(cvalue_t*));
 		if(temp == nil)
 			lerrorf(MemoryError, "out of memory");
 		Finalizers = temp;
@@ -74,7 +75,7 @@
 				t->vtable->finalize(tagptr(tmp, TAG_CVALUE));
 			if(!isinlined(tmp) && owned(tmp)){
 				memset(cv_data(tmp), 0xbb, cv_len(tmp));
-				free(cv_data(tmp));
+				LLT_FREE(cv_data(tmp));
 			}
 			ndel++;
 		}
@@ -152,7 +153,7 @@
 			gc(0);
 		pcv = alloc_words(CVALUE_NWORDS);
 		pcv->type = type;
-		pcv->data = malloc(sz);
+		pcv->data = LLT_ALLOC(sz);
 		autorelease(pcv);
 		malloc_pressure += sz;
 	}
@@ -238,7 +239,7 @@
 	size_t sz = cv_len(cv);
 	if(cv_isstr(cv))
 		sz++;
-	void *data = malloc(sz);
+	void *data = LLT_ALLOC(sz);
 	memmove(data, cv_data(cv), sz);
 	cv->data = data;
 	autorelease(cv);
@@ -638,8 +639,6 @@
 	lerrorf(ArgError, "invalid c type");
 }
 
-extern fltype_t *iostreamtype;
-
 // get pointer and size for any plain-old-data value
 void
 to_sized_ptr(value_t v, char **pdata, size_t *psz)
@@ -736,7 +735,7 @@
 		size_t len = cv_len(cv);
 		if(cv_isstr(cv))
 			len++;
-		ncv->data = malloc(len);
+		ncv->data = LLT_ALLOC(len);
 		memmove(ncv->data, cv_data(cv), len);
 		autorelease(ncv);
 		if(hasparent(cv)){
--- a/equal.c
+++ b/equal.c
@@ -377,7 +377,7 @@
 		if(cv->type == mpinttype){
 			len = mptobe(*(mpint**)data, nil, 0, (uint8_t**)&data);
 			h = memhash(data, len);
-			free(data);
+			LLT_FREE(data);
 		}else{
 			h = memhash(data, cv_len(cv));
 		}
--- a/flisp.c
+++ b/flisp.c
@@ -282,6 +282,27 @@
 }
 
 char *
+uint2str(char *dest, size_t len, uint64_t num, uint32_t base)
+{
+	int i = len-1;
+	uint64_t b = (uint64_t)base;
+	char ch;
+	dest[i--] = '\0';
+	while(i >= 0){
+		ch = (char)(num % b);
+		if(ch < 10)
+			ch += '0';
+		else
+			ch = ch-10+'a';
+		dest[i--] = ch;
+		num /= b;
+		if(num == 0)
+			break;
+	}
+	return &dest[i+1];
+}
+
+char *
 symbol_name(value_t v)
 {
 	if(ismanaged(v)){
@@ -563,7 +584,7 @@
 grow_stack(void)
 {
 	size_t newsz = N_STACK * 2;
-	value_t *ns = realloc(Stack, newsz*sizeof(value_t));
+	value_t *ns = LLT_REALLOC(Stack, newsz*sizeof(value_t));
 	if(ns == nil)
 		lerrorf(MemoryError, "stack overflow");
 	Stack = ns;
@@ -2062,9 +2083,6 @@
 {
 	int i;
 
-	llt_init();
-	setlocale(LC_NUMERIC, "C");
-
 	heapsize = initial_heapsize;
 
 	fromspace = LLT_ALLOC(heapsize);
@@ -2075,7 +2093,7 @@
 	htable_new(&printconses, 32);
 	comparehash_init();
 	N_STACK = 262144;
-	Stack = malloc(N_STACK*sizeof(value_t));
+	Stack = LLT_ALLOC(N_STACK*sizeof(value_t));
 
 	FL_NIL = NIL = builtin(OP_THE_EMPTY_LIST);
 	FL_T = builtin(OP_BOOL_CONST_T);
--- a/flisp.h
+++ b/flisp.h
@@ -230,6 +230,8 @@
 value_t mk_cons(void);
 void *alloc_words(int n);
 
+char *uint2str(char *dest, size_t len, uint64_t num, uint32_t base);
+
 /* error handling */
 typedef struct _fl_readstate_t {
 	htable_t backrefs;
--- a/flmain.c
+++ b/flmain.c
@@ -2,7 +2,13 @@
 #include "flisp.h"
 #include "cvalues.h"
 #include "print.h"
+#include "iostream.h"
+#include "ieee754.h"
+#include "random.h"
 
+double D_PNAN, D_NNAN, D_PINF, D_NINF;
+float F_PNAN, F_NNAN, F_PINF, F_NINF;
+
 static value_t
 argv_list(int argc, char *argv[])
 {
@@ -18,22 +24,28 @@
 	return lst;
 }
 
-extern fltype_t *iostreamtype;
-
 int
 flmain(const char *boot, int bootsz, int argc, char **argv)
 {
-	value_t f;
-	ios_t *s;
-	int r;
+	D_PNAN = D_NNAN = strtod("+NaN", nil);
+	D_PINF = D_NINF = strtod("+Inf", nil);
 
+	union ieee754_double *d;
+	d = (union ieee754_double *)&D_NNAN;
+	d->ieee.negative = 1;
+	d = (union ieee754_double *)&D_NINF;
+	d->ieee.negative = 1;
+
+	randomize();
+	ios_init_stdstreams();
+
 	fl_init(512*1024);
 
-	f = cvalue(iostreamtype, sizeof(ios_t));
-	s = value2c(ios_t*, f);
+	value_t f = cvalue(iostreamtype, sizeof(ios_t));
+	ios_t *s = value2c(ios_t*, f);
 	ios_static_buffer(s, boot, bootsz);
 
-	r = 1;
+	int r = 1;
 	FL_TRY_EXTERN{
 		if(fl_load_system_image(f) == 0){
 			fl_applyn(1, symbol_value(symbol("__start")), argv_list(argc, argv));
--- a/ios.c
+++ b/ios.c
@@ -891,7 +891,7 @@
 	if((c = vsnprintf(buf, sizeof(buf), format, args)) < nelem(buf))
 		str = buf;
 	else{
-		str = malloc(c+1);
+		str = LLT_ALLOC(c+1);
 		vsnprintf(str, sizeof(c+1), format, args);
 	}
 	if(c > 0)
@@ -898,7 +898,7 @@
 #endif
 		ios_write(s, str, c);
 	if(str != buf)
-		free(str);
+		LLT_FREE(str);
 
 	return c;
 }
--- a/iostream.h
+++ b/iostream.h
@@ -1,2 +1,4 @@
+extern fltype_t *iostreamtype;
+
 value_t stream_to_string(value_t *ps);
 void iostream_init(void);
--- a/llt.c
+++ /dev/null
@@ -1,66 +1,0 @@
-#include "llt.h"
-#include "random.h"
-#include "ieee754.h"
-
-double D_PNAN, D_NNAN, D_PINF, D_NINF;
-float F_PNAN, F_NNAN, F_PINF, F_NINF;
-
-void
-llt_init(void)
-{
-	D_PNAN = D_NNAN = strtod("+NaN", nil);
-	D_PINF = D_NINF = strtod("+Inf", nil);
-
-	union ieee754_double *d;
-	d = (union ieee754_double *)&D_NNAN;
-	d->ieee.negative = 1;
-	d = (union ieee754_double *)&D_NINF;
-	d->ieee.negative = 1;
-
-#ifdef __plan9__
-	*(uint32_t*)&F_PNAN = 0x7fc00000;
-	*(uint32_t*)&F_NNAN = 0xffc00000;
-	*(uint32_t*)&F_PINF = 0x7f800000;
-	*(uint32_t*)&F_NINF = 0xff800000;
-#else
-	union ieee754_float *f;
-	F_PNAN = F_NNAN = strtof("+NaN", nil);
-	F_PINF = F_NINF = strtof("+Inf", nil);
-	f = (union ieee754_float *)&F_NNAN;
-	f->ieee.negative = 1;
-	f = (union ieee754_float *)&F_NINF;
-	f->ieee.negative = 1;
-#endif
-
-	randomize();
-	ios_init_stdstreams();
-}
-
-char *
-uint2str(char *dest, size_t len, uint64_t num, uint32_t base)
-{
-	int i = len-1;
-	uint64_t b = (uint64_t)base;
-	char ch;
-	dest[i--] = '\0';
-	while(i >= 0){
-		ch = (char)(num % b);
-		if(ch < 10)
-			ch += '0';
-		else
-			ch = ch-10+'a';
-		dest[i--] = ch;
-		num /= b;
-		if(num == 0)
-			break;
-	}
-	return &dest[i+1];
-}
-
-int
-isdigit_base(char c, int base)
-{
-	if(base < 11)
-		return c >= '0' && c < '0'+base;
-	return (c >= '0' && c <= '9') || (c >= 'a' && c < 'a'+base-10) || (c >= 'A' && c < 'A'+base-10);
-}
--- a/llt.h
+++ b/llt.h
@@ -8,33 +8,6 @@
 #include "htableh.inc"
 HTPROT(ptrhash)
 
-#ifdef __GNUC__
-#define __unlikely(x) __builtin_expect(!!(x), 0)
-#define __likely(x) __builtin_expect(!!(x), 1)
-#else
-#define __unlikely(x) (x)
-#define __likely(x) (x)
-#endif
-
-#ifdef BOEHM_GC /* boehm GC allocator */
-#include <gc.h>
-#define LLT_ALLOC(n) GC_MALLOC(n)
-#define LLT_REALLOC(p, n) GC_REALLOC((p), (n))
-#define LLT_FREE(x) USED(x)
-#else /* standard allocator */
-#define LLT_ALLOC(n) malloc(n)
-#define LLT_REALLOC(p, n) realloc((p), (n))
-#define LLT_FREE(x) free(x)
-#endif
-
-#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
-#define bswap_32(x) \
-    ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
-    (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
-#define bswap_64(x) \
-    (uint64_t)bswap_32((x) & 0xffffffffULL)<<32 | \
-    (uint64_t)bswap_32(((x)>>32) & 0xffffffffULL)
-
 #define DBL_MAXINT (1LL<<53)
 #define FLT_MAXINT (1<<24)
 #define BIT63 0x8000000000000000ULL
@@ -41,12 +14,10 @@
 #define BIT31 0x80000000UL
 
 #ifdef BITS64
-#define NBITS 64
 #define TOP_BIT BIT63
 typedef uint64_t lltuint_t;
 typedef int64_t lltint_t;
 #else
-#define NBITS 32
 #define TOP_BIT BIT31
 typedef uint32_t lltuint_t;
 typedef int32_t lltint_t;
@@ -54,18 +25,9 @@
 
 #define LOG2_10 3.3219280948873626
 #define rel_zero(a, b) (fabs((a)/(b)) < DBL_EPSILON)
-#define LABS(n) (((n)^((n)>>(NBITS-1))) - ((n)>>(NBITS-1)))
-#define NBABS(n, nb) (((n)^((n)>>((nb)-1))) - ((n)>>((nb)-1)))
 #define LLT_ALIGN(x, sz) (((x) + (sz-1)) & (-sz))
 
-// a mask with n set lo or hi bits
-#define lomask(n) (uint32_t)((((uint32_t)1)<<(n))-1)
-
 extern double D_PNAN, D_NNAN, D_PINF, D_NINF;
 extern float F_PNAN, F_NNAN, F_PINF, F_NINF;
-
-char *uint2str(char *dest, size_t len, uint64_t num, uint32_t base);
-int isdigit_base(char c, int base);
-void llt_init(void);
 
 int flmain(const char *boot, int bootsz, int argc, char **argv);
--- a/main_plan9.c
+++ b/main_plan9.c
@@ -1,8 +1,8 @@
 #include "llt.h"
 
-static const char boot[] = {
+static char boot[] =
 #include "flisp.boot.h"
-};
+;
 
 void
 main(int argc, char **argv)
@@ -10,5 +10,11 @@
 	argv0 = argv[0];
 	setfcr(FPPDBL|FPRNR|FPOVFL);
 	tmfmtinstall();
+
+	*(uint32_t*)&F_PNAN = 0x7fc00000;
+	*(uint32_t*)&F_NNAN = 0xffc00000;
+	*(uint32_t*)&F_PINF = 0x7f800000;
+	*(uint32_t*)&F_NINF = 0xff800000;
+
 	exit(flmain(boot, sizeof(boot), argc, argv));
 }
--- a/main_posix.c
+++ b/main_posix.c
@@ -1,4 +1,5 @@
 #include "llt.h"
+#include "ieee754.h"
 
 static const char boot[] =
 #include "flisp.boot.h"
@@ -7,5 +8,15 @@
 int
 main(int argc, char **argv)
 {
+	union ieee754_float *f;
+	F_PNAN = F_NNAN = strtof("+NaN", nil);
+	F_PINF = F_NINF = strtof("+Inf", nil);
+	f = (union ieee754_float *)&F_NNAN;
+	f->ieee.negative = 1;
+	f = (union ieee754_float *)&F_NINF;
+	f->ieee.negative = 1;
+
+	setlocale(LC_NUMERIC, "C");
+
 	return flmain(boot, sizeof(boot), argc, argv);
 }
--- a/meson.build
+++ b/meson.build
@@ -68,7 +68,6 @@
 	'htable.c',
 	'ios.c',
 	'iostream.c',
-	'llt.c',
 	'main_posix.c',
 	'operators.c',
 	'print.c',
--- a/mkfile
+++ b/mkfile
@@ -25,7 +25,6 @@
 	htable.$O\
 	ios.$O\
 	iostream.$O\
-	llt.$O\
 	main_plan9.$O\
 	operators.$O\
 	print.$O\
--- a/plan9/platform.h
+++ b/plan9/platform.h
@@ -3,6 +3,10 @@
 #include <ctype.h>
 #include <mp.h>
 
+#define LLT_ALLOC(n) malloc(n)
+#define LLT_REALLOC(p, n) realloc((p), (n))
+#define LLT_FREE(x) free(x)
+
 #if defined(__amd64__) || \
     defined(__arm64__) || \
     defined(__mips64__) || \
@@ -36,9 +40,6 @@
 #define signbit(r) ((*(uint64_t*)&(r)) & BIT63)
 #define isfinite(d) (((*(uint64_t*)&(d))&0x7ff0000000000000ULL) != 0x7ff0000000000000ULL)
 
-#define LC_NUMERIC 0
-#define setlocale(x, y)
-
 #define PRId64 "lld"
 #define PRIu64 "llud"
 #ifdef BITS64
@@ -86,6 +87,17 @@
 #else
 #define BYTE_ORDER LITTLE_ENDIAN
 #endif
+
+#define __unlikely(x) (x)
+#define __likely(x) (x)
+
+#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
+#define bswap_32(x) \
+    ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+    (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+#define bswap_64(x) \
+    (uint64_t)bswap_32((x) & 0xffffffffULL)<<32 | \
+    (uint64_t)bswap_32(((x)>>32) & 0xffffffffULL)
 
 typedef s8int int8_t;
 typedef s16int int16_t;
--- a/posix/platform.h
+++ b/posix/platform.h
@@ -25,6 +25,10 @@
 #include <wctype.h>
 #include <wchar.h>
 
+#define LLT_ALLOC(n) malloc(n)
+#define LLT_REALLOC(p, n) realloc((p), (n))
+#define LLT_FREE(x) free(x)
+
 #ifndef __SIZEOF_POINTER__
 #error pointer size unknown
 #elif __SIZEOF_POINTER__ == 8
@@ -35,6 +39,23 @@
 #define nil NULL
 #define USED(x) ((void)(x))
 #define nelem(x) (int)(sizeof(x)/sizeof((x)[0]))
+
+#ifdef __GNUC__
+#define __unlikely(x) __builtin_expect(!!(x), 0)
+#define __likely(x) __builtin_expect(!!(x), 1)
+#endif
+
+#ifdef HAVE_BYTESWAP
+#include <byteswap.h>
+#else
+#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
+#define bswap_32(x) \
+    ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+    (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+#define bswap_64(x) \
+    (uint64_t)bswap_32((x) & 0xffffffffULL)<<32 | \
+    (uint64_t)bswap_32(((x)>>32) & 0xffffffffULL)
+#endif
 
 #define PATHSEP '/'
 #define PATHSEPSTRING "/"
--- a/print.c
+++ b/print.c
@@ -725,7 +725,7 @@
 			HPOS += ios_printf(f, "%s", s);
 		else
 			HPOS += ios_printf(f, "#%s(%s)", symbol_name(type), s);
-		free(s);
+		LLT_FREE(s);
 	}else if(issymbol(type)){
 		// handle other integer prims. we know it's smaller than uint64
 		// at this point, so int64 is big enough to capture everything.
--- a/read.c
+++ b/read.c
@@ -11,6 +11,8 @@
 	TOK_OPENC, TOK_CLOSEC,
 };
 
+static value_t do_read_sexpr(value_t label);
+
 #if defined(__plan9__)
 static int errno;
 #define VLONG_MAX ~(1LL<<63)
@@ -243,7 +245,13 @@
 	return issym;
 }
 
-static value_t do_read_sexpr(value_t label);
+static int
+isdigit_base(char c, int base)
+{
+	if(base < 11)
+		return c >= '0' && c < '0'+base;
+	return (c >= '0' && c <= '9') || (c >= 'a' && c < 'a'+base-10) || (c >= 'A' && c < 'A'+base-10);
+}
 
 static uint32_t
 peek(void)
@@ -484,13 +492,13 @@
 	value_t s;
 	Rune r = 0;
 
-	buf = malloc(sz);
+	buf = LLT_ALLOC(sz);
 	while(1){
 		if(i >= sz-4){ // -4: leaves room for longest utf8 sequence
 			sz *= 2;
-			temp = realloc(buf, sz);
+			temp = LLT_REALLOC(buf, sz);
 			if(temp == nil){
-				free(buf);
+				LLT_FREE(buf);
 				lerrorf(ParseError, "out of memory reading string");
 			}
 			buf = temp;
@@ -497,7 +505,7 @@
 		}
 		c = ios_getc(F);
 		if(c == IOS_EOF){
-			free(buf);
+			LLT_FREE(buf);
 			lerrorf(ParseError, "unexpected end of input in string");
 		}
 		if(c == '"')
@@ -505,7 +513,7 @@
 		else if(c == '\\'){
 			c = ios_getc(F);
 			if(c == IOS_EOF){
-				free(buf);
+				LLT_FREE(buf);
 				lerrorf(ParseError, "end of input in escape sequence");
 			}
 			j = 0;
@@ -533,7 +541,7 @@
 				if(j)
 					r = strtol(eseq, nil, 16);
 				if(!j || r > Runemax){
-					free(buf);
+					LLT_FREE(buf);
 					lerrorf(ParseError, "invalid escape sequence");
 				}
 				if(ndig == 2)
@@ -543,7 +551,7 @@
 			}else{
 				char esc = read_escape_control_char((char)c);
 				if(esc == (char)c && !strchr("\\'\"`", esc)){
-					free(buf);
+					LLT_FREE(buf);
 					lerrorf(ParseError, "invalid escape sequence: \\%c", (char)c);
 				}
 				buf[i++] = esc;
@@ -554,7 +562,7 @@
 	}
 	s = cvalue_string(i);
 	memmove(cvalue_data(s), buf, i);
-	free(buf);
+	LLT_FREE(buf);
 	return s;
 }
 
--- a/types.c
+++ b/types.c
@@ -40,7 +40,7 @@
 		if(isarray){
 			fltype_t *eltype = get_type(car_(cdr_(t)));
 			if(eltype->size == 0){
-				free(ft);
+				LLT_FREE(ft);
 				lerrorf(ArgError, "invalid array element type");
 			}
 			ft->elsz = eltype->size;