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-rw-r--r--ctl-lib/ctl-lua.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/ctl-lib/ctl-lua.c b/ctl-lib/ctl-lua.c
index 87e27d0..1a2554c 100644
--- a/ctl-lib/ctl-lua.c
+++ b/ctl-lib/ctl-lua.c
@@ -1352,15 +1352,16 @@ int LuaConfigLoad(AFB_ApiT apiHandle, const char *prefix) {
sep++;
}
- total_len = base_len + spath_len + token_nb * strlen(LUA_GLOB_PATTERN) + 1;
- lua_str = malloc(total_len + 1);
+ /* allocate 2 extra bytes for the ending single quote + NULL char */
+ total_len = base_len + spath_len + token_nb * strlen(LUA_GLOB_PATTERN) + 2;
+ lua_str = malloc(total_len);
strncpy(lua_str, LUA_PATH_VALUE, total_len);
for (i = 0; i < token_nb; i++) {
sep = strsep(&spath, ":");
- strncat(lua_str, sep, total_len - strlen(lua_str));
- strncat(lua_str, LUA_GLOB_PATTERN, total_len - strlen(lua_str));
+ strncat(lua_str, sep, total_len - strlen(lua_str) - 1);
+ strncat(lua_str, LUA_GLOB_PATTERN, total_len - strlen(lua_str) -1);
}
- strncat(lua_str, "'", 2);
+ strncat(lua_str, "'", total_len - strlen(lua_str) - 1);
if(luaL_dostring(luaState, lua_str))
printf("Fail change package.path error=%s", lua_tostring(luaState, -1));