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authorDonald Lee <dlqs@gmx.com>2021-06-21 04:51:45 +0800
committerDonald Lee <dlqs@gmx.com>2021-06-23 00:58:04 +0800
commit8192b47173db1745091b3ea2575787b040cbd774 (patch)
treead7a3df4a8cc35aa2a16c9dd4e9af2d8769f2b9c /lib/frrlua.c
parent1e0e4d2355452d7537d406e9eb6ed0df8cb35d8c (diff)
lib: Pop tables off Lua stack when decoding
Signed-off-by: Donald Lee <dlqs@gmx.com>
Diffstat (limited to 'lib/frrlua.c')
-rw-r--r--lib/frrlua.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/frrlua.c b/lib/frrlua.c
index d6a0ef328e..36f1797473 100644
--- a/lib/frrlua.c
+++ b/lib/frrlua.c
@@ -76,6 +76,8 @@ void lua_decode_prefix(lua_State *L, int idx, struct prefix *prefix)
lua_getfield(L, idx, "network");
(void)str2prefix(lua_tostring(L, -1), prefix);
lua_pop(L, 1);
+ /* pop the table */
+ lua_pop(L, 1);
}
void *lua_toprefix(lua_State *L, int idx)
@@ -147,6 +149,8 @@ void lua_decode_interface(lua_State *L, int idx, struct interface *ifp)
lua_getfield(L, idx, "linklayer_type");
ifp->ll_type = lua_tointeger(L, -1);
lua_pop(L, 1);
+ /* pop the table */
+ lua_pop(L, 1);
}
void *lua_tointerface(lua_State *L, int idx)
{
@@ -174,6 +178,8 @@ void lua_decode_inaddr(lua_State *L, int idx, struct in_addr *inaddr)
lua_getfield(L, idx, "value");
inaddr->s_addr = lua_tointeger(L, -1);
lua_pop(L, 1);
+ /* pop the table */
+ lua_pop(L, 1);
}
void *lua_toinaddr(lua_State *L, int idx)
@@ -202,6 +208,8 @@ void lua_decode_in6addr(lua_State *L, int idx, struct in6_addr *in6addr)
lua_getfield(L, idx, "string");
inet_pton(AF_INET6, lua_tostring(L, -1), in6addr);
lua_pop(L, 1);
+ /* pop the table */
+ lua_pop(L, 1);
}
void *lua_toin6addr(lua_State *L, int idx)
@@ -229,6 +237,9 @@ void lua_decode_sockunion(lua_State *L, int idx, union sockunion *su)
{
lua_getfield(L, idx, "string");
str2sockunion(lua_tostring(L, -1), su);
+ lua_pop(L, 1);
+ /* pop the table */
+ lua_pop(L, 1);
}
void *lua_tosockunion(lua_State *L, int idx)
@@ -247,6 +258,7 @@ void lua_pushtimet(lua_State *L, const time_t *time)
void lua_decode_timet(lua_State *L, int idx, time_t *t)
{
*t = lua_tointeger(L, idx);
+ lua_pop(L, 1);
}
void *lua_totimet(lua_State *L, int idx)
@@ -266,6 +278,7 @@ void lua_decode_integerp(lua_State *L, int idx, long long *num)
{
int isnum;
*num = lua_tonumberx(L, idx, &isnum);
+ lua_pop(L, 1);
assert(isnum);
}