From b64270d1e45fe7f3241e4c9b6ce60d5ac89bc2e9 Mon Sep 17 00:00:00 2001 From: beck <> Date: Wed, 15 May 2002 02:29:21 +0000 Subject: OpenSSL 0.9.7 stable 2002 05 08 merge --- src/lib/libcrypto/mem.c | 127 ++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 102 insertions(+), 25 deletions(-) (limited to 'src/lib/libcrypto/mem.c') diff --git a/src/lib/libcrypto/mem.c b/src/lib/libcrypto/mem.c index 3b5b2bbc68..effec714e8 100644 --- a/src/lib/libcrypto/mem.c +++ b/src/lib/libcrypto/mem.c @@ -70,14 +70,36 @@ static int allow_customize_debug = 1;/* exchanging memory-related functions at * problems when malloc/free pairs * don't match etc. */ -/* may be changed as long as `allow_customize' is set */ -static void *(*malloc_locked_func)(size_t) = malloc; -static void (*free_locked_func)(void *) = free; + + +/* the following pointers may be changed as long as 'allow_customize' is set */ + static void *(*malloc_func)(size_t) = malloc; +static void *default_malloc_ex(size_t num, const char *file, int line) + { return malloc_func(num); } +static void *(*malloc_ex_func)(size_t, const char *file, int line) + = default_malloc_ex; + static void *(*realloc_func)(void *, size_t)= realloc; +static void *default_realloc_ex(void *str, size_t num, + const char *file, int line) + { return realloc_func(str,num); } +static void *(*realloc_ex_func)(void *, size_t, const char *file, int line) + = default_realloc_ex; + static void (*free_func)(void *) = free; -/* may be changed as long as `allow_customize_debug' is set */ +static void *(*malloc_locked_func)(size_t) = malloc; +static void *default_malloc_locked_ex(size_t num, const char *file, int line) + { return malloc_locked_func(num); } +static void *(*malloc_locked_ex_func)(size_t, const char *file, int line) + = default_malloc_locked_ex; + +static void (*free_locked_func)(void *) = free; + + + +/* may be changed as long as 'allow_customize_debug' is set */ /* XXX use correct function pointer types */ #ifdef CRYPTO_MDEBUG /* use default functions from mem_dbg.c */ @@ -105,12 +127,29 @@ int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), { if (!allow_customize) return 0; - if ((m == NULL) || (r == NULL) || (f == NULL)) + if ((m == 0) || (r == 0) || (f == 0)) + return 0; + malloc_func=m; malloc_ex_func=default_malloc_ex; + realloc_func=r; realloc_ex_func=default_realloc_ex; + free_func=f; + malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex; + free_locked_func=f; + return 1; + } + +int CRYPTO_set_mem_ex_functions( + void *(*m)(size_t,const char *,int), + void *(*r)(void *, size_t,const char *,int), + void (*f)(void *)) + { + if (!allow_customize) + return 0; + if ((m == 0) || (r == 0) || (f == 0)) return 0; - malloc_func=m; - realloc_func=r; + malloc_func=0; malloc_ex_func=m; + realloc_func=0; realloc_ex_func=r; free_func=f; - malloc_locked_func=m; + malloc_locked_func=0; malloc_locked_ex_func=m; free_locked_func=f; return 1; } @@ -121,11 +160,24 @@ int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*f)(void *)) return 0; if ((m == NULL) || (f == NULL)) return 0; - malloc_locked_func=m; + malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex; free_locked_func=f; return 1; } +int CRYPTO_set_locked_mem_ex_functions( + void *(*m)(size_t,const char *,int), + void (*f)(void *)) + { + if (!allow_customize) + return 0; + if ((m == NULL) || (f == NULL)) + return 0; + malloc_locked_func=0; malloc_locked_ex_func=m; + free_func=f; + return 1; + } + int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int), void (*r)(void *,void *,int,const char *,int,int), void (*f)(void *,int), @@ -142,17 +194,42 @@ int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int), return 1; } + void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t), void (**f)(void *)) { - if (m != NULL) *m=malloc_func; - if (r != NULL) *r=realloc_func; + if (m != NULL) *m = (malloc_ex_func == default_malloc_ex) ? + malloc_func : 0; + if (r != NULL) *r = (realloc_ex_func == default_realloc_ex) ? + realloc_func : 0; + if (f != NULL) *f=free_func; + } + +void CRYPTO_get_mem_ex_functions( + void *(**m)(size_t,const char *,int), + void *(**r)(void *, size_t,const char *,int), + void (**f)(void *)) + { + if (m != NULL) *m = (malloc_ex_func != default_malloc_ex) ? + malloc_ex_func : 0; + if (r != NULL) *r = (realloc_ex_func != default_realloc_ex) ? + realloc_ex_func : 0; if (f != NULL) *f=free_func; } void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *)) { - if (m != NULL) *m=malloc_locked_func; + if (m != NULL) *m = (malloc_locked_ex_func == default_malloc_locked_ex) ? + malloc_locked_func : 0; + if (f != NULL) *f=free_locked_func; + } + +void CRYPTO_get_locked_mem_ex_functions( + void *(**m)(size_t,const char *,int), + void (**f)(void *)) + { + if (m != NULL) *m = (malloc_locked_ex_func != default_malloc_locked_ex) ? + malloc_locked_ex_func : 0; if (f != NULL) *f=free_locked_func; } @@ -180,9 +257,9 @@ void *CRYPTO_malloc_locked(int num, const char *file, int line) allow_customize_debug = 0; malloc_debug_func(NULL, num, file, line, 0); } - ret = malloc_locked_func(num); -#ifdef LEVITTE_DEBUG - fprintf(stderr, "LEVITTE_DEBUG: > 0x%p (%d)\n", ret, num); + ret = malloc_locked_ex_func(num,file,line); +#ifdef LEVITTE_DEBUG_MEM + fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num); #endif if (malloc_debug_func != NULL) malloc_debug_func(ret, num, file, line, 1); @@ -194,8 +271,8 @@ void CRYPTO_free_locked(void *str) { if (free_debug_func != NULL) free_debug_func(str, 0); -#ifdef LEVITTE_DEBUG - fprintf(stderr, "LEVITTE_DEBUG: < 0x%p\n", str); +#ifdef LEVITTE_DEBUG_MEM + fprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\n", str); #endif free_locked_func(str); if (free_debug_func != NULL) @@ -212,9 +289,9 @@ void *CRYPTO_malloc(int num, const char *file, int line) allow_customize_debug = 0; malloc_debug_func(NULL, num, file, line, 0); } - ret = malloc_func(num); -#ifdef LEVITTE_DEBUG - fprintf(stderr, "LEVITTE_DEBUG: > 0x%p (%d)\n", ret, num); + ret = malloc_ex_func(num,file,line); +#ifdef LEVITTE_DEBUG_MEM + fprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\n", ret, num); #endif if (malloc_debug_func != NULL) malloc_debug_func(ret, num, file, line, 1); @@ -228,9 +305,9 @@ void *CRYPTO_realloc(void *str, int num, const char *file, int line) if (realloc_debug_func != NULL) realloc_debug_func(str, NULL, num, file, line, 0); - ret = realloc_func(str,num); -#ifdef LEVITTE_DEBUG - fprintf(stderr, "LEVITTE_DEBUG: | 0x%p -> 0x%p (%d)\n", str, ret, num); + ret = realloc_ex_func(str,num,file,line); +#ifdef LEVITTE_DEBUG_MEM + fprintf(stderr, "LEVITTE_DEBUG_MEM: | 0x%p -> 0x%p (%d)\n", str, ret, num); #endif if (realloc_debug_func != NULL) realloc_debug_func(str, ret, num, file, line, 1); @@ -242,8 +319,8 @@ void CRYPTO_free(void *str) { if (free_debug_func != NULL) free_debug_func(str, 0); -#ifdef LEVITTE_DEBUG - fprintf(stderr, "LEVITTE_DEBUG: < 0x%p\n", str); +#ifdef LEVITTE_DEBUG_MEM + fprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\n", str); #endif free_func(str); if (free_debug_func != NULL) -- cgit v1.2.3-55-g6feb