void *
CrT_calloc(size_t num, size_t siz, const char *file, int line)
{
#if defined(HAVE_PTHREAD_H)
LOCKCRT();
#endif
size_t size = siz * num;
Block b = block_find(file, line);
Header m = (Header) calloc(size + CRT_OVERHEAD_BYTES, 1);
if (!m) {
fprintf(stderr, "CrT_calloc(): Out of Memory!\n");
abort();
}
m->b = b;
m->size = size;
#ifdef CRT_DEBUG_ALSO
/* Look around for trashed ram blocks: */
CrT_check(file, line);
/* Remember where end of block is: */
m->end = &((char *) m)[size + (CRT_OVERHEAD_BYTES - 1)];
/* Write a sacred value at end of block: */
*m->end = CRT_MAGIC;
/* Thread m into linklist of allocated blocks: */
INSERT(m);
/* Remember we've touched 'm' recently: */
just_touched[++next_touched & (CRT_NEW_TO_CHECK - 1)] = m;
#endif
b->tot_bytes_alloc += size;
b->tot_allocs_done++;
b->live_blocks++;
b->live_bytes += size;
if (b->live_bytes > b->max_bytes) {
b->max_bytes = b->live_bytes;
b->max_bytes_time = time(NULL);
}
if (b->live_blocks > b->max_blocks)
b->max_blocks = b->live_blocks;
#if defined(HAVE_PTHREAD_H)
UNLOCKCRT();
#endif
return (void *) (m + 1);
}
void
CrT_free(void *p, const char *file, int line)
{
#if defined(HAVE_PTHREAD_H)
LOCKCRT();
#endif
Header m = ((Header) p) - 1;
Block b = m->b;
#ifdef CRT_DEBUG_ALSO
/* Look around for trashed ram blocks: */
if (*m->end == CRT_FREE_MAGIC)
crash("Duplicate free()", m, file, line);
check_block(m, __FILE__, __LINE__);
CrT_check(file, line);
/* Don't clobber 'rover': */
if (rover == m) {
rover = rover->next;
}
/* Remove m from linklist of allocated blocks: */
REMOVE(m);
/* Remove m from just_touched[], if present: */
{
int i = CRT_NEW_TO_CHECK;
while (i-- > 0) {
if (just_touched[i] == m) {
just_touched[i] = &root;
}
}
}
/* Mark m so as to give some chance of */
/* diagnosing repeat free()s of same */
/* block: */
*m->end = CRT_FREE_MAGIC;
#endif
b->live_bytes -= m->size;
b->live_blocks--;
free(m);
#if defined(HAVE_PTHREAD_H)
UNLOCKCRT();
#endif
}
void *
CrT_realloc(void *p, size_t size, const char *file, int line)
{
Header m = ((Header) p) - 1;
Block b = m->b;
#ifdef MALLOC_PROFILING_EXTRA
/* Look around for trashed ram blocks: */
check_block(m, __FILE__, __LINE__);
CrT_check(file, line);
/* Don't clobber 'rover': */
if (rover == m) {
rover = rover->next;
}
/* Remove m from linklist of allocated blocks: */
REMOVE(m);
/* Remove m from just_touched[], if present: */
{
int i = CRT_NEW_TO_CHECK;
while (i-- > 0) {
if (just_touched[i] == m) {
just_touched[i] = &root;
}
}
}
#endif
m = (Header) realloc(m, size + CRT_OVERHEAD_BYTES);
if (!m) {
fprintf(stderr, "CrT_realloc(): Out of Memory!\n");
abort();
}
b->live_bytes -= m->size;
b->live_bytes += size;
m->size = size;
#ifdef MALLOC_PROFILING_EXTRA
/* Remember where end of block is: */
m->end = &((char *) m)[size + (CRT_OVERHEAD_BYTES - 1)];
/* Write a sacred value at end of block: */
*m->end = CRT_MAGIC;
/* Thread m into linklist of allocated blocks: */
INSERT(m);
/* Remember we've touched 'm' recently: */
just_touched[++next_touched & (CRT_NEW_TO_CHECK - 1)] = m;
#endif
if (b->live_bytes > b->max_bytes) {
b->max_bytes = b->live_bytes;
b->max_bytes_time = time(NULL);
}
return (void *) (m + 1);
}