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Preliminary Qalloc implimentation. Not yet used.

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This commit is contained in:
Adam Olsen 2001-08-29 04:52:03 +00:00
parent 5902dcca6a
commit f423b8a8e0
2 changed files with 84 additions and 0 deletions
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18
include/QF/zone.h
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@ -137,4 +137,22 @@ void *Cache_Alloc (cache_user_t *c, int size, const char *name);
void Cache_Report (void);
/* Modes, pick one */
#define QA_NOFAIL 1
#define QA_LATEFAIL 2
#define QA_EARLYFAIL 3
#define _QA_MODEMASK 3
/* Flags, OR them with the mode */
#define QA_ZEROED 4
extern size_t (*Qalloc_callback) (size_t size);
void *Qalloc (void *ptr, size_t size, unsigned modes);
void *Qmalloc (size_t size);
void *Qcalloc (size_t nmemb, size_t size);
void *Qrealloc (void *ptr, size_t size);
void Qfree (void *ptr);
#endif // __zone_h

66
libs/util/zone.c
View file

@ -898,6 +898,72 @@ Cache_Profile (void)
" %d per allocation\n", total, count, total / count);
}
/*
Qalloc and friends
*/
size_t (*Qalloc_callback) (size_t size);
void *
Qalloc (void *ptr, size_t size, unsigned modes)
{
void *mem;
if (modes & ~(_QA_MODEMASK | QA_ZEROED))
Sys_Error ("Qalloc: bad modes field: %u\n", modes);
if (size) {
do {
if (ptr) {
if (modes & QA_ZEROED)
Sys_Error ("Qalloc: Zeroing reallocated memory not yet supported\n");
else
mem = realloc (ptr, size);
} else {
if (modes & QA_ZEROED)
mem = calloc (size, 1);
else
mem = malloc (size);
}
} while ((modes & _QA_MODEMASK) != QA_EARLYFAIL && !mem && Qalloc_callback (size));
if (!mem && (modes & _QA_MODEMASK) == QA_NOFAIL)
Sys_Error ("Qalloc: could not allocate %d bytes!\n", size);
return mem;
} else {
if (!ptr)
Sys_Error ("Qalloc: can't free a NULL pointers!\n");
free (ptr);
return 0;
}
}
void *
Qmalloc (size_t size)
{
return Qalloc (0, size, QA_NOFAIL);
}
void *
Qcalloc (size_t nmemb, size_t size)
{
return Qalloc (0, nmemb * size, QA_NOFAIL | QA_ZEROED);
}
void *
Qrealloc (void *ptr, size_t size)
{
return Qalloc (ptr, size, QA_NOFAIL);
}
void
Qfree (void *ptr)
{
Qalloc (ptr, 0, QA_NOFAIL);
}
//============================================================================
void