MEDIUM: regex: modify regex_comp() to atomically allocate/free the my_regex struct
Now we atomically allocate the my_regex struct within function
regex_comp() and compile the regex or free both in case of failure. The
pointer to the allocated my_regex struct is returned directly. The
my_regex* argument to regex_comp() is removed.
Function regex_free() was modified so that it systematically frees the
my_regex entry. The function does nothing when called with a NULL as
argument (like free()). It will avoid existing risk of not properly
freeing the initialized area.
Other structures are also updated in order to be compatible (the ones
related to Lua and action rules).
diff --git a/include/types/action.h b/include/types/action.h
index 6c5fccf..948e281 100644
--- a/include/types/action.h
+++ b/include/types/action.h
@@ -121,7 +121,7 @@
char *name; /* header name */
int name_len; /* header name's length */
struct list fmt; /* log-format compatible expression */
- struct my_regex re; /* used by replace-header and replace-value */
+ struct my_regex *re; /* used by replace-header and replace-value */
} hdr_add; /* args used by "add-header" and "set-header" */
struct {
char *name; /* header name */