-
-static unsigned long order=0;
-
-static LHASH *mh=NULL;
-
-typedef struct mem_st
- {
- char *addr;
- int num;
- const char *file;
- int line;
- unsigned long order;
- } MEM;
-
-int CRYPTO_mem_ctrl(int mode)
- {
- int ret=mh_mode;
-
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- switch (mode)
- {
- /* for applications: */
- case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */
- mh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE;
- break;
- case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */
- mh_mode = 0;
- break;
-
- /* switch off temporarily (for library-internal use): */
- case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */
- mh_mode&= ~CRYPTO_MEM_CHECK_ENABLE;
- break;
- case CRYPTO_MEM_CHECK_ENABLE: /* aka MemCheck_on() */
- if (mh_mode&CRYPTO_MEM_CHECK_ON)
- mh_mode|=CRYPTO_MEM_CHECK_ENABLE;
- break;
-
- default:
- break;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- return(ret);
- }
-
-static int mem_cmp(MEM *a, MEM *b)
- {
- return(a->addr - b->addr);
- }
-
-static unsigned long mem_hash(MEM *a)
- {
- unsigned long ret;
-
- ret=(unsigned long)a->addr;
-
- ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
- return(ret);
- }
-
-static char *(*malloc_locked_func)()=(char *(*)())malloc;
-static void (*free_locked_func)()=(void (*)())free;
-static char *(*malloc_func)()= (char *(*)())malloc;
-static char *(*realloc_func)()= (char *(*)())realloc;
-static void (*free_func)()= (void (*)())free;
-
-void CRYPTO_set_mem_functions(char *(*m)(), char *(*r)(), void (*f)())
- {
- if ((m == NULL) || (r == NULL) || (f == NULL)) return;
- malloc_func=m;
- realloc_func=r;
- free_func=f;
- malloc_locked_func=m;
- free_locked_func=f;
- }
-
-void CRYPTO_set_locked_mem_functions(char *(*m)(), void (*f)())
- {
- if ((m == NULL) || (f == NULL)) return;
- malloc_locked_func=m;
- free_locked_func=f;
- }
-
-void CRYPTO_get_mem_functions(char *(**m)(), char *(**r)(), void (**f)())
- {
- if (m != NULL) *m=malloc_func;
- if (r != NULL) *r=realloc_func;
- if (f != NULL) *f=free_func;
- }
-
-void CRYPTO_get_locked_mem_functions(char *(**m)(), void (**f)())
- {
- if (m != NULL) *m=malloc_locked_func;
- if (f != NULL) *f=free_locked_func;
- }
-
-void *CRYPTO_malloc_locked(int num)
- {
- return(malloc_locked_func(num));
- }
-
-void CRYPTO_free_locked(void *str)
- {
- free_locked_func(str);
- }
-
-void *CRYPTO_malloc(int num)
- {
- return(malloc_func(num));
- }
-
-void *CRYPTO_realloc(void *str, int num)
- {
- return(realloc_func(str,num));
- }
-
-void CRYPTO_free(void *str)
- {
- free_func(str);
- }
-
-static unsigned long break_order_num=0;
-void *CRYPTO_dbg_malloc(int num, const char *file, int line)
- {
- char *ret;
- MEM *m,*mm;
-
- if ((ret=malloc_func(num)) == NULL)
- return(NULL);
-
- if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
- {
- MemCheck_off();
- if ((m=(MEM *)Malloc(sizeof(MEM))) == NULL)
- {
- Free(ret);
- MemCheck_on();
- return(NULL);
- }
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- if (mh == NULL)
- {
- if ((mh=lh_new(mem_hash,mem_cmp)) == NULL)
- {
- Free(ret);
- Free(m);
- ret=NULL;
- goto err;
- }
- }
-
- m->addr=ret;
- m->file=file;
- m->line=line;
- m->num=num;
- if (order == break_order_num)
- {
- /* BREAK HERE */
- m->order=order;
- }
- m->order=order++;
- if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL)
- {
- /* Not good, but don't sweat it */
- Free(mm);
- }
-err:
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- MemCheck_on();
- }
- return(ret);
- }
-
-void CRYPTO_dbg_free(void *addr)
- {
- MEM m,*mp;
-
- if ((mh_mode & CRYPTO_MEM_CHECK_ENABLE) && (mh != NULL))
- {
- MemCheck_off();
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- m.addr=addr;
- mp=(MEM *)lh_delete(mh,(char *)&m);
- if (mp != NULL)
- Free(mp);
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- MemCheck_on();
- }
- free_func(addr);
- }
-
-void *CRYPTO_dbg_realloc(void *addr, int num, const char *file, int line)
- {
- char *ret;
- MEM m,*mp;
-
- ret=realloc_func(addr,num);
- if (ret == addr) return(ret);
-
- if (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
- {
- MemCheck_off();
- if (ret == NULL) return(NULL);
- m.addr=addr;
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- mp=(MEM *)lh_delete(mh,(char *)&m);
- if (mp != NULL)
- {
- mp->addr=ret;
- lh_insert(mh,(char *)mp);
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- MemCheck_on();
- }
- return(ret);
- }
-
-void *CRYPTO_remalloc(void *a, int n)
- {
- if (a != NULL) Free(a);
- a=(char *)Malloc(n);
- return(a);
- }
-
-void *CRYPTO_dbg_remalloc(void *a, int n, const char *file, int line)
- {
- if (a != NULL) CRYPTO_dbg_free(a);
- a=(char *)CRYPTO_dbg_malloc(n,file,line);
- return(a);
- }
-
-
-typedef struct mem_leak_st
- {
- BIO *bio;
- int chunks;
- long bytes;
- } MEM_LEAK;
-
-static void print_leak(MEM *m, MEM_LEAK *l)
- {
- char buf[128];
-
- if(m->addr == (char *)l->bio)
- return;
- sprintf(buf,"%5lu file=%s, line=%d, number=%d, address=%08lX\n",
- m->order,m->file,m->line,m->num,(unsigned long)m->addr);
- BIO_puts(l->bio,buf);
- l->chunks++;
- l->bytes+=m->num;
- }
-
-void CRYPTO_mem_leaks(BIO *b)
- {
- MEM_LEAK ml;
- char buf[80];
-
- if (mh == NULL) return;
- ml.bio=b;
- ml.bytes=0;
- ml.chunks=0;
- CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
- lh_doall_arg(mh,(void (*)())print_leak,(char *)&ml);
- CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
- if (ml.chunks != 0)
- {
- sprintf(buf,"%ld bytes leaked in %d chunks\n",
- ml.bytes,ml.chunks);
- BIO_puts(b,buf);
- }
-
-#if 0
- lh_stats_bio(mh,b);
- lh_node_stats_bio(mh,b);
- lh_node_usage_stats_bio(mh,b);