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-rw-r--r--src/alloc.c97
1 files changed, 49 insertions, 48 deletions
diff --git a/src/alloc.c b/src/alloc.c
index 044e750413b..c4db234aba5 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -223,11 +223,11 @@ static ptrdiff_t pure_bytes_used_before_overflow;
/* Index in pure at which next pure Lisp object will be allocated.. */
-static EMACS_INT pure_bytes_used_lisp;
+static ptrdiff_t pure_bytes_used_lisp;
/* Number of bytes allocated for non-Lisp objects in pure storage. */
-static EMACS_INT pure_bytes_used_non_lisp;
+static ptrdiff_t pure_bytes_used_non_lisp;
/* If nonzero, this is a warning delivered by malloc and not yet
displayed. */
@@ -378,7 +378,7 @@ static void *min_heap_address, *max_heap_address;
static struct mem_node mem_z;
#define MEM_NIL &mem_z
-static struct Lisp_Vector *allocate_vectorlike (EMACS_INT);
+static struct Lisp_Vector *allocate_vectorlike (ptrdiff_t);
static void lisp_free (POINTER_TYPE *);
static void mark_stack (void);
static int live_vector_p (struct mem_node *, void *);
@@ -464,7 +464,7 @@ display_malloc_warning (void)
/* Called if we can't allocate relocatable space for a buffer. */
void
-buffer_memory_full (EMACS_INT nbytes)
+buffer_memory_full (ptrdiff_t nbytes)
{
/* If buffers use the relocating allocator, no need to free
spare_memory, because we may have plenty of malloc space left
@@ -1634,7 +1634,7 @@ struct sdata
#ifdef GC_CHECK_STRING_BYTES
- EMACS_INT nbytes;
+ ptrdiff_t nbytes;
unsigned char data[1];
#define SDATA_NBYTES(S) (S)->nbytes
@@ -1649,7 +1649,7 @@ struct sdata
unsigned char data[1];
/* When STRING is null. */
- EMACS_INT nbytes;
+ ptrdiff_t nbytes;
} u;
#define SDATA_NBYTES(S) (S)->u.nbytes
@@ -1759,24 +1759,24 @@ static char const string_overrun_cookie[GC_STRING_OVERRUN_COOKIE_SIZE] =
#define SDATA_SIZE(NBYTES) \
((SDATA_DATA_OFFSET \
+ (NBYTES) + 1 \
- + sizeof (EMACS_INT) - 1) \
- & ~(sizeof (EMACS_INT) - 1))
+ + sizeof (ptrdiff_t) - 1) \
+ & ~(sizeof (ptrdiff_t) - 1))
#else /* not GC_CHECK_STRING_BYTES */
/* The 'max' reserves space for the nbytes union member even when NBYTES + 1 is
less than the size of that member. The 'max' is not needed when
- SDATA_DATA_OFFSET is a multiple of sizeof (EMACS_INT), because then the
+ SDATA_DATA_OFFSET is a multiple of sizeof (ptrdiff_t), because then the
alignment code reserves enough space. */
#define SDATA_SIZE(NBYTES) \
((SDATA_DATA_OFFSET \
- + (SDATA_DATA_OFFSET % sizeof (EMACS_INT) == 0 \
+ + (SDATA_DATA_OFFSET % sizeof (ptrdiff_t) == 0 \
? NBYTES \
- : max (NBYTES, sizeof (EMACS_INT) - 1)) \
+ : max (NBYTES, sizeof (ptrdiff_t) - 1)) \
+ 1 \
- + sizeof (EMACS_INT) - 1) \
- & ~(sizeof (EMACS_INT) - 1))
+ + sizeof (ptrdiff_t) - 1) \
+ & ~(sizeof (ptrdiff_t) - 1))
#endif /* not GC_CHECK_STRING_BYTES */
@@ -1820,10 +1820,10 @@ static int check_string_bytes_count;
/* Like GC_STRING_BYTES, but with debugging check. */
-EMACS_INT
+ptrdiff_t
string_bytes (struct Lisp_String *s)
{
- EMACS_INT nbytes =
+ ptrdiff_t nbytes =
(s->size_byte < 0 ? s->size & ~ARRAY_MARK_FLAG : s->size_byte);
if (!PURE_POINTER_P (s)
@@ -1846,7 +1846,7 @@ check_sblock (struct sblock *b)
{
/* Compute the next FROM here because copying below may
overwrite data we need to compute it. */
- EMACS_INT nbytes;
+ ptrdiff_t nbytes;
/* Check that the string size recorded in the string is the
same as the one recorded in the sdata structure. */
@@ -1992,7 +1992,7 @@ allocate_string_data (struct Lisp_String *s,
{
struct sdata *data, *old_data;
struct sblock *b;
- EMACS_INT needed, old_nbytes;
+ ptrdiff_t needed, old_nbytes;
if (STRING_BYTES_MAX < nbytes)
string_overflow ();
@@ -2237,7 +2237,7 @@ compact_small_strings (void)
{
/* Compute the next FROM here because copying below may
overwrite data we need to compute it. */
- EMACS_INT nbytes;
+ ptrdiff_t nbytes;
#ifdef GC_CHECK_STRING_BYTES
/* Check that the string size recorded in the string is the
@@ -2367,7 +2367,8 @@ LENGTH must be a number. INIT matters only in whether it is t or nil. */)
{
register Lisp_Object val;
struct Lisp_Bool_Vector *p;
- EMACS_INT length_in_chars, length_in_elts;
+ ptrdiff_t length_in_chars;
+ EMACS_INT length_in_elts;
int bits_per_value;
CHECK_NATNUM (length);
@@ -2375,8 +2376,6 @@ LENGTH must be a number. INIT matters only in whether it is t or nil. */)
bits_per_value = sizeof (EMACS_INT) * BOOL_VECTOR_BITS_PER_CHAR;
length_in_elts = (XFASTINT (length) + bits_per_value - 1) / bits_per_value;
- length_in_chars = ((XFASTINT (length) + BOOL_VECTOR_BITS_PER_CHAR - 1)
- / BOOL_VECTOR_BITS_PER_CHAR);
/* We must allocate one more elements than LENGTH_IN_ELTS for the
slot `size' of the struct Lisp_Bool_Vector. */
@@ -2388,6 +2387,8 @@ LENGTH must be a number. INIT matters only in whether it is t or nil. */)
p = XBOOL_VECTOR (val);
p->size = XFASTINT (length);
+ length_in_chars = ((XFASTINT (length) + BOOL_VECTOR_BITS_PER_CHAR - 1)
+ / BOOL_VECTOR_BITS_PER_CHAR);
if (length_in_chars)
{
memset (p->data, ! NILP (init) ? -1 : 0, length_in_chars);
@@ -2406,10 +2407,10 @@ LENGTH must be a number. INIT matters only in whether it is t or nil. */)
multibyte, depending on the contents. */
Lisp_Object
-make_string (const char *contents, EMACS_INT nbytes)
+make_string (const char *contents, ptrdiff_t nbytes)
{
register Lisp_Object val;
- EMACS_INT nchars, multibyte_nbytes;
+ ptrdiff_t nchars, multibyte_nbytes;
parse_str_as_multibyte ((const unsigned char *) contents, nbytes,
&nchars, &multibyte_nbytes);
@@ -2426,7 +2427,7 @@ make_string (const char *contents, EMACS_INT nbytes)
/* Make an unibyte string from LENGTH bytes at CONTENTS. */
Lisp_Object
-make_unibyte_string (const char *contents, EMACS_INT length)
+make_unibyte_string (const char *contents, ptrdiff_t length)
{
register Lisp_Object val;
val = make_uninit_string (length);
@@ -2440,7 +2441,7 @@ make_unibyte_string (const char *contents, EMACS_INT length)
Lisp_Object
make_multibyte_string (const char *contents,
- EMACS_INT nchars, EMACS_INT nbytes)
+ ptrdiff_t nchars, ptrdiff_t nbytes)
{
register Lisp_Object val;
val = make_uninit_multibyte_string (nchars, nbytes);
@@ -2454,7 +2455,7 @@ make_multibyte_string (const char *contents,
Lisp_Object
make_string_from_bytes (const char *contents,
- EMACS_INT nchars, EMACS_INT nbytes)
+ ptrdiff_t nchars, ptrdiff_t nbytes)
{
register Lisp_Object val;
val = make_uninit_multibyte_string (nchars, nbytes);
@@ -2472,7 +2473,7 @@ make_string_from_bytes (const char *contents,
Lisp_Object
make_specified_string (const char *contents,
- EMACS_INT nchars, EMACS_INT nbytes, int multibyte)
+ ptrdiff_t nchars, ptrdiff_t nbytes, int multibyte)
{
register Lisp_Object val;
@@ -2911,7 +2912,7 @@ enum
with room for LEN Lisp_Objects. */
static struct Lisp_Vector *
-allocate_vectorlike (EMACS_INT len)
+allocate_vectorlike (ptrdiff_t len)
{
struct Lisp_Vector *p;
size_t nbytes;
@@ -2967,7 +2968,7 @@ allocate_vector (EMACS_INT len)
/* Allocate other vector-like structures. */
struct Lisp_Vector *
-allocate_pseudovector (int memlen, int lisplen, EMACS_INT tag)
+allocate_pseudovector (int memlen, int lisplen, int tag)
{
struct Lisp_Vector *v = allocate_vectorlike (memlen);
int i;
@@ -3031,14 +3032,14 @@ See also the function `vector'. */)
(register Lisp_Object length, Lisp_Object init)
{
Lisp_Object vector;
- register EMACS_INT sizei;
- register EMACS_INT i;
+ register ptrdiff_t sizei;
+ register ptrdiff_t i;
register struct Lisp_Vector *p;
CHECK_NATNUM (length);
- sizei = XFASTINT (length);
- p = allocate_vector (sizei);
+ p = allocate_vector (XFASTINT (length));
+ sizei = XFASTINT (length);
for (i = 0; i < sizei; i++)
p->contents[i] = init;
@@ -4724,14 +4725,14 @@ check_pure_size (void)
address. Return NULL if not found. */
static char *
-find_string_data_in_pure (const char *data, EMACS_INT nbytes)
+find_string_data_in_pure (const char *data, ptrdiff_t nbytes)
{
int i;
- EMACS_INT skip, bm_skip[256], last_char_skip, infinity, start, start_max;
+ ptrdiff_t skip, bm_skip[256], last_char_skip, infinity, start, start_max;
const unsigned char *p;
char *non_lisp_beg;
- if (pure_bytes_used_non_lisp < nbytes + 1)
+ if (pure_bytes_used_non_lisp <= nbytes)
return NULL;
/* Set up the Boyer-Moore table. */
@@ -4795,7 +4796,7 @@ find_string_data_in_pure (const char *data, EMACS_INT nbytes)
Lisp_Object
make_pure_string (const char *data,
- EMACS_INT nchars, EMACS_INT nbytes, int multibyte)
+ ptrdiff_t nchars, ptrdiff_t nbytes, int multibyte)
{
Lisp_Object string;
struct Lisp_String *s;
@@ -4823,7 +4824,7 @@ make_pure_c_string (const char *data)
{
Lisp_Object string;
struct Lisp_String *s;
- EMACS_INT nchars = strlen (data);
+ ptrdiff_t nchars = strlen (data);
s = (struct Lisp_String *) pure_alloc (sizeof *s, Lisp_String);
s->size = nchars;
@@ -4870,7 +4871,7 @@ make_pure_float (double num)
pure space. */
Lisp_Object
-make_pure_vector (EMACS_INT len)
+make_pure_vector (ptrdiff_t len)
{
Lisp_Object new;
struct Lisp_Vector *p;
@@ -4914,8 +4915,8 @@ Does not copy symbols. Copies strings without text properties. */)
else if (COMPILEDP (obj) || VECTORP (obj))
{
register struct Lisp_Vector *vec;
- register EMACS_INT i;
- EMACS_INT size;
+ register ptrdiff_t i;
+ ptrdiff_t size;
size = ASIZE (obj);
if (size & PSEUDOVECTOR_FLAG)
@@ -4967,10 +4968,10 @@ staticpro (Lisp_Object *varaddress)
/* Temporarily prevent garbage collection. */
-int
+ptrdiff_t
inhibit_garbage_collection (void)
{
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
specbind (Qgc_cons_threshold, make_number (MOST_POSITIVE_FIXNUM));
return count;
@@ -4995,7 +4996,7 @@ returns nil, because real GC can't be done. */)
ptrdiff_t i;
int message_p;
Lisp_Object total[8];
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
EMACS_TIME t1, t2, t3;
if (abort_on_gc)
@@ -5290,7 +5291,7 @@ returns nil, because real GC can't be done. */)
if (!NILP (Vpost_gc_hook))
{
- int gc_count = inhibit_garbage_collection ();
+ ptrdiff_t gc_count = inhibit_garbage_collection ();
safe_run_hooks (Qpost_gc_hook);
unbind_to (gc_count, Qnil);
}
@@ -5375,8 +5376,8 @@ ptrdiff_t mark_object_loop_halt EXTERNALLY_VISIBLE;
static void
mark_vectorlike (struct Lisp_Vector *ptr)
{
- EMACS_INT size = ptr->header.size;
- EMACS_INT i;
+ ptrdiff_t size = ptr->header.size;
+ ptrdiff_t i;
eassert (!VECTOR_MARKED_P (ptr));
VECTOR_MARK (ptr); /* Else mark it */
@@ -6257,7 +6258,7 @@ Lisp_Object
which_symbols (Lisp_Object obj, EMACS_INT find_max)
{
struct symbol_block *sblk;
- int gc_count = inhibit_garbage_collection ();
+ ptrdiff_t gc_count = inhibit_garbage_collection ();
Lisp_Object found = Qnil;
if (! DEADP (obj))