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jfr.im git - irc/quakenet/newserv.git/blob - core/nsmalloc.c
1 /* nsmalloc: Simple pooled malloc() thing. */
10 #include "../core/hooks.h"
11 #include "../core/error.h"
13 struct nsmpool nsmpools
[ MAXPOOL
];
15 #ifndef USE_NSMALLOC_VALGRIND
17 void * nsmalloc ( unsigned int poolid
, size_t size
) {
20 if ( poolid
>= MAXPOOL
)
23 /* Allocate enough for the structure and the required data */
24 nsmp
=( struct nsminfo
*) malloc ( sizeof ( struct nsminfo
)+ size
);
30 nsmpools
[ poolid
]. size
+= size
;
31 nsmpools
[ poolid
]. count
++;
33 nsmp
-> next
= nsmpools
[ poolid
]. first
. next
;
34 nsmp
-> prev
=& nsmpools
[ poolid
]. first
;
35 if ( nsmpools
[ poolid
]. first
. next
)
36 nsmpools
[ poolid
]. first
. next
-> prev
= nsmp
;
37 nsmpools
[ poolid
]. first
. next
= nsmp
;
39 return ( void *) nsmp
-> data
;
42 /* we dump core on ptr == NULL */
43 void nsfree ( unsigned int poolid
, void * ptr
) {
46 if (! ptr
|| poolid
>= MAXPOOL
)
50 nsmp
=( struct nsminfo
*) ptr
- 1 ;
52 /* always set as we have a sentinel */
53 nsmp
-> prev
-> next
= nsmp
-> next
;
55 nsmp
-> next
-> prev
= nsmp
-> prev
;
57 nsmpools
[ poolid
]. size
-= nsmp
-> size
;
58 nsmpools
[ poolid
]. count
--;
64 void * nsrealloc ( unsigned int poolid
, void * ptr
, size_t size
) {
65 struct nsminfo
* nsmp
, * nsmpn
;
68 return nsmalloc ( poolid
, size
);
75 if ( poolid
>= MAXPOOL
)
79 nsmp
=( struct nsminfo
*) ptr
- 1 ;
81 if ( size
== nsmp
-> size
)
82 return ( void *) nsmp
-> data
;
84 nsmpn
=( struct nsminfo
*) realloc ( nsmp
, sizeof ( struct nsminfo
)+ size
);
88 nsmpools
[ poolid
]. size
+= size
- nsmpn
-> size
;
91 /* always set as we have a sentinel */
92 nsmpn
-> prev
-> next
= nsmpn
;
95 nsmpn
-> next
-> prev
= nsmpn
;
97 return ( void *) nsmpn
-> data
;
100 void nsfreeall ( unsigned int poolid
) {
101 struct nsminfo
* nsmp
, * nnsmp
;
103 if ( poolid
>= MAXPOOL
)
106 for ( nsmp
= nsmpools
[ poolid
]. first
. next
; nsmp
; nsmp
= nnsmp
) {
111 nsmpools
[ poolid
]. first
. next
= NULL
;
112 nsmpools
[ poolid
]. size
= 0 ;
113 nsmpools
[ poolid
]. count
= 0 ;
116 void nscheckfreeall ( unsigned int poolid
) {
117 if ( poolid
>= MAXPOOL
)
120 if ( nsmpools
[ poolid
]. first
. next
) {
121 Error ( "core" , ERR_INFO
, "nsmalloc: Blocks still allocated in pool # %d ( %s ): %l ub, %l u items" , poolid
, nsmpoolnames
[ poolid
]? nsmpoolnames
[ poolid
]: "??" , nsmpools
[ poolid
]. size
, nsmpools
[ poolid
]. count
);
129 for ( i
= 0 ; i
< MAXPOOL
; i
++)
135 void * nsmalloc ( unsigned int poolid
, size_t size
) {
139 void * nsrealloc ( unsigned int poolid
, void * ptr
, size_t size
) {
140 return realloc ( ptr
, size
);
143 void nsfree ( unsigned int poolid
, void * ptr
) {
148 void nsfreeall ( unsigned int poolid
) {
154 void nscheckfreeall ( unsigned int poolid
) {