Garbage collector allows to register variables which
then all will be freed by calling gc_free().
---
src/common.c | 34 ++++++++++++++++++++++++++++++++++
src/common.h | 20 ++++++++++++++++++++
2 files changed, 54 insertions(+)
Index: collectd-4.9.1/src/common.h
===================================================================
--- collectd-4.9.1.orig/src/common.h 2010-02-05 20:19:05.000000000 +0100
+++ collectd-4.9.1/src/common.h 2010-02-05 21:30:10.000000000 +0100
@@ -47,6 +47,14 @@
|| (strcasecmp ("no", (s)) == 0) \
|| (strcasecmp ("off", (s)) == 0))
+struct gc_entry {
+ void *ptr;
+ struct gc_entry *next;
+};
+struct gc_list {
+ struct gc_entry *list;
+};
+
char *sstrncpy (char *dest, const char *src, size_t n);
int ssnprintf (char *dest, size_t n, const char *format, ...);
char *sstrdup(const char *s);
@@ -289,4 +297,16 @@
* (in the range [1-65535]). Returns less than zero on error. */
int service_name_to_port_number (const char *service_name);
+
+/* initialize garbage collector */
+struct gc_list *gc_init();
+
+/* register variable 'ptr' to garbage collector */
+void gc_register(struct gc_list *gc, void *ptr);
+
+/* free all entries of garbage collector */
+void gc_free(struct gc_list *gc);
+
+
+
#endif /* COMMON_H */
Index: collectd-4.9.1/src/common.c
===================================================================
--- collectd-4.9.1.orig/src/common.c 2010-02-05 20:19:03.000000000 +0100
+++ collectd-4.9.1/src/common.c 2010-02-05 21:31:15.000000000 +0100
@@ -1133,3 +1133,37 @@
return (service_number);
return (-1);
} /* int service_name_to_port_number */
+
+struct gc_list *gc_init() {
+ struct gc_list * ret;
+ ret = (struct gc_list *) malloc(sizeof(struct gc_list));
+ ret->list = NULL;
+ return ret;
+}
+
+void gc_register(struct gc_list *gc, void *ptr) {
+ struct gc_entry *item;
+ struct gc_entry *tmp;
+
+ tmp = gc->list;
+ item = (struct gc_entry *) malloc(sizeof(struct gc_entry));
+ item->next = tmp;
+ item->ptr = ptr;
+ gc->list = item;
+}
+
+void gc_free(struct gc_list *gc) {
+ struct gc_entry *item;
+ if (! gc)
+ return;
+ item = gc->list;
+ sfree(gc);
+
+ while (item != NULL) {
+ struct gc_entry *next = item->next;
+ sfree(item->ptr);
+ sfree(item);
+ item = next;
+ }
+}
+
--
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