diff options
Diffstat (limited to 'common/init.c')
| -rw-r--r-- | common/init.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/common/init.c b/common/init.c index e00b9b308..8a0b6a8e7 100644 --- a/common/init.c +++ b/common/init.c @@ -46,6 +46,21 @@ #include "util.h" +/* This object is used to register memory cleanup functions. + Technically they are not needed but they can avoid frequent + questions about un-released memory. Note that we use the system + malloc and not any wrappers. */ +struct mem_cleanup_item_s; +typedef struct mem_cleanup_item_s *mem_cleanup_item_t; + +struct mem_cleanup_item_s +{ + mem_cleanup_item_t next; + void (*func) (void); +}; + +static mem_cleanup_item_t mem_cleanup_list; + /* The default error source of the application. This is different from GPG_ERR_SOURCE_DEFAULT in that it does not depend on the @@ -65,6 +80,36 @@ sleep_on_exit (void) #endif /*HAVE_W32CE_SYSTEM*/ +static void +run_mem_cleanup (void) +{ + mem_cleanup_item_t next; + + while (mem_cleanup_list) + { + next = mem_cleanup_list->next; + mem_cleanup_list->func (); + free (mem_cleanup_list); + mem_cleanup_list = next; + } +} + + +void +register_mem_cleanup_func (void (*func)(void)) +{ + mem_cleanup_item_t item; + + item = malloc (sizeof *item); + if (item) + { + item->func = func; + item->next = mem_cleanup_list; + mem_cleanup_list = item; + } +} + + /* If STRING is not NULL write string to es_stdout or es_stderr. MODE must be 1 or 2. If STRING is NULL flush the respective stream. */ static int @@ -100,6 +145,8 @@ _init_common_subsystems (gpg_err_source_t errsource, int *argcp, char ***argvp) /* Store the error source in a gloabl variable. */ default_errsource = errsource; + atexit (run_mem_cleanup); + /* Try to auto set the character set. */ set_native_charset (NULL); |