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/***********************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy and Damien Doligez, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../LICENSE. */
/* */
/***********************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "caml/config.h"
#include "caml/misc.h"
#include "caml/memory.h"
caml_timing_hook caml_major_slice_begin_hook = NULL;
caml_timing_hook caml_major_slice_end_hook = NULL;
caml_timing_hook caml_minor_gc_begin_hook = NULL;
caml_timing_hook caml_minor_gc_end_hook = NULL;
caml_timing_hook caml_finalise_begin_hook = NULL;
caml_timing_hook caml_finalise_end_hook = NULL;
#ifdef DEBUG
int caml_failed_assert (char * expr, char * file, int line)
{
fprintf (stderr, "file %s; line %d ### Assertion failed: %s\n",
file, line, expr);
fflush (stderr);
exit (100);
}
void caml_set_fields (value v, unsigned long start, unsigned long filler)
{
mlsize_t i;
for (i = start; i < Wosize_val (v); i++){
Field (v, i) = (value) filler;
}
}
#endif /* DEBUG */
uintnat caml_verb_gc = 0;
void caml_gc_message (int level, char *msg, uintnat arg)
{
if (level < 0 || (caml_verb_gc & level) != 0){
fprintf (stderr, msg, arg);
fflush (stderr);
}
}
CAMLexport void caml_fatal_error (char *msg)
{
fprintf (stderr, "%s", msg);
exit(2);
}
CAMLexport void caml_fatal_error_arg (char *fmt, char *arg)
{
fprintf (stderr, fmt, arg);
exit(2);
}
CAMLexport void caml_fatal_error_arg2 (char *fmt1, char *arg1,
char *fmt2, char *arg2)
{
fprintf (stderr, fmt1, arg1);
fprintf (stderr, fmt2, arg2);
exit(2);
}
/* [size] and [modulo] are numbers of bytes */
char *caml_aligned_malloc (asize_t size, int modulo, void **block)
{
char *raw_mem;
uintnat aligned_mem;
Assert (modulo < Page_size);
raw_mem = (char *) malloc (size + Page_size);
if (raw_mem == NULL) return NULL;
*block = raw_mem;
raw_mem += modulo; /* Address to be aligned */
aligned_mem = (((uintnat) raw_mem / Page_size + 1) * Page_size);
#ifdef DEBUG
{
uintnat *p;
uintnat *p0 = (void *) *block,
*p1 = (void *) (aligned_mem - modulo),
*p2 = (void *) (aligned_mem - modulo + size),
*p3 = (void *) ((char *) *block + size + Page_size);
for (p = p0; p < p1; p++) *p = Debug_filler_align;
for (p = p1; p < p2; p++) *p = Debug_uninit_align;
for (p = p2; p < p3; p++) *p = Debug_filler_align;
}
#endif
return (char *) (aligned_mem - modulo);
}
void caml_ext_table_init(struct ext_table * tbl, int init_capa)
{
tbl->size = 0;
tbl->capacity = init_capa;
tbl->contents = caml_stat_alloc(sizeof(void *) * init_capa);
}
int caml_ext_table_add(struct ext_table * tbl, void * data)
{
int res;
if (tbl->size >= tbl->capacity) {
tbl->capacity *= 2;
tbl->contents =
caml_stat_resize(tbl->contents, sizeof(void *) * tbl->capacity);
}
res = tbl->size;
tbl->contents[res] = data;
tbl->size++;
return res;
}
void caml_ext_table_remove(struct ext_table * tbl, void * data)
{
int i;
for (i = 0; i < tbl->size; i++) {
if (tbl->contents[i] == data) {
caml_stat_free(tbl->contents[i]);
memmove(&tbl->contents[i], &tbl->contents[i + 1],
(tbl->size - i - 1) * sizeof(void *));
tbl->size--;
}
}
}
void caml_ext_table_free(struct ext_table * tbl, int free_entries)
{
int i;
if (free_entries)
for (i = 0; i < tbl->size; i++) caml_stat_free(tbl->contents[i]);
caml_stat_free(tbl->contents);
}
CAMLexport char * caml_strdup(const char * s)
{
size_t slen = strlen(s);
char * res = caml_stat_alloc(slen + 1);
memcpy(res, s, slen + 1);
return res;
}
CAMLexport char * caml_strconcat(int n, ...)
{
va_list args;
char * res, * p;
size_t len;
int i;
len = 0;
va_start(args, n);
for (i = 0; i < n; i++) {
const char * s = va_arg(args, const char *);
len += strlen(s);
}
va_end(args);
res = caml_stat_alloc(len + 1);
va_start(args, n);
p = res;
for (i = 0; i < n; i++) {
const char * s = va_arg(args, const char *);
size_t l = strlen(s);
memcpy(p, s, l);
p += l;
}
va_end(args);
*p = 0;
return res;
}
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