[Define to 1 iff memset(0) sets pointers to NULL])
fi
+# Whether we should use the dmalloc memory allocation debugging library.
+AC_MSG_CHECKING(wether to use dmalloc (debug memory allocation library))
+AC_ARG_WITH(dmalloc,
+[ --with-dmalloc Use debug memory allocation library. ],
+[if [[ "$withval" = "yes" ]]; then
+ dmalloc=1
+ AC_MSG_RESULT(yes)
+else
+ dmalloc=1
+ AC_MSG_RESULT(no)
+fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
+)
+
+if [[ $dmalloc -eq 1 ]]; then
+ AC_SEARCH_LIBS(dmalloc_malloc, [dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
+ AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
+ AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
+fi
+
# $prefix stores the value of the --prefix command line option, or
# NONE if the option wasn't set. In the case that it wasn't set, make
# it be the default, so that we can use it to expand directories now.
/* =====
* Memory management
* ===== */
+#ifdef USE_DMALLOC
+ #include <dmalloc.h>
+#else
+ #define dmalloc_strdup(file, line, string, xalloc_b) strdup(string)
+
+ #define dmalloc_malloc(file, line, size, func_id, alignment, xalloc_b) malloc(size)
+ #define DMALLOC_FUNC_MALLOC 0
+
+ #define dmalloc_realloc(file, line, old_pnt, new_size, func_id, xalloc_b) realloc((old_pnt), (new_size))
+ #define DMALLOC_FUNC_REALLOC 0
+#endif
/** Allocate a chunk of <b>size</b> bytes of memory, and return a pointer to
* result. On error, log and terminate the process. (Same as malloc(size),
* but never returns NULL.)
*/
-void *tor_malloc(size_t size) {
+void *_tor_malloc(const char *file, const int line, size_t size) {
void *result;
/* Some libcs don't do the right thing on size==0. Override them. */
if (size==0) {
size=1;
}
- result = malloc(size);
+ result = dmalloc_malloc(file, line, size, DMALLOC_FUNC_MALLOC, 0, 0);
if (!result) {
log_fn(LOG_ERR, "Out of memory. Dying.");
* zero bytes, and return a pointer to the result. Log and terminate
* the process on error. (Same as calloc(size,1), but never returns NULL.)
*/
-void *tor_malloc_zero(size_t size) {
- void *result = tor_malloc(size);
+void *_tor_malloc_zero(const char *file, const int line, size_t size) {
+ void *result = _tor_malloc(file, line, size);
memset(result, 0, size);
return result;
}
* bytes long; return the new memory block. On error, log and
* terminate. (Like realloc(ptr,size), but never returns NULL.)
*/
-void *tor_realloc(void *ptr, size_t size) {
+void *_tor_realloc(const char *file, const int line, void *ptr, size_t size) {
void *result;
- result = realloc(ptr, size);
+ result = dmalloc_realloc(file, line, ptr, size, DMALLOC_FUNC_REALLOC, 0);
if (!result) {
log_fn(LOG_ERR, "Out of memory. Dying.");
exit(1);
* error, log and terminate. (Like strdup(s), but never returns
* NULL.)
*/
-char *tor_strdup(const char *s) {
+char *_tor_strdup(const char *file, const int line, const char *s) {
char *dup;
tor_assert(s);
- dup = strdup(s);
+ dup = dmalloc_strdup(file, line, s, 0);
if (!dup) {
log_fn(LOG_ERR,"Out of memory. Dying.");
exit(1);
* always NUL-terminated. (Like strndup(s,n), but never returns
* NULL.)
*/
-char *tor_strndup(const char *s, size_t n) {
+char *_tor_strndup(const char *file, const int line, const char *s, size_t n) {
char *dup;
tor_assert(s);
- dup = tor_malloc(n+1);
+ dup = _tor_malloc(file, line, n+1);
/* Performance note: Ordinarily we prefer strlcpy to strncpy. But
* this function gets called a whole lot, and platform strncpy is
* much faster than strlcpy when strlen(s) is much longer than n.
#endif
/* Memory management */
-void *tor_malloc(size_t size);
-void *tor_malloc_zero(size_t size);
-void *tor_realloc(void *ptr, size_t size);
-char *tor_strdup(const char *s);
-char *tor_strndup(const char *s, size_t n);
+void *_tor_malloc(const char *file, const int line, size_t size);
+void *_tor_malloc_zero(const char *file, const int line, size_t size);
+void *_tor_realloc(const char *file, const int line, void *ptr, size_t size);
+char *_tor_strdup(const char *file, const int line, const char *s);
+char *_tor_strndup(const char *file, const int line, const char *s, size_t n);
#define tor_free(p) do { if (p) {free(p); (p)=NULL;} } while (0)
+#define tor_malloc(size) _tor_malloc(_SHORT_FILE_, __LINE__, size)
+#define tor_malloc_zero(size) _tor_malloc_zero(_SHORT_FILE_, __LINE__, size)
+#define tor_realloc(ptr, size) _tor_realloc(_SHORT_FILE_, __LINE__, ptr, size)
+#define tor_strdup(s) _tor_strdup(_SHORT_FILE_, __LINE__, s)
+#define tor_strndup(s, n) _tor_strndup(_SHORT_FILE_, __LINE__, s, n)
+
/* String manipulation */
#define HEX_CHARACTERS "0123456789ABCDEFabcdef"
void tor_strlower(char *s);
projects / thirdparty / tor.git / commitdiff
