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fix stack handling when getting results

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whottgen 2004-09-22 08:58:06 +00:00
parent da7bdfa3f9
commit 727137b694
1 changed files with 5 additions and 3 deletions
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8
smmapdfw/lua_worker.c
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@ -172,10 +172,9 @@ int lua_work(void *handle, void *work_handle, char *input, char *output) {
res = lua_pcall(lwh->l, 1, 2, 0); res = lua_pcall(lwh->l, 1, 2, 0);
lua_output = (char*) lua_tostring(lwh->l, lua_gettop(lwh->l)); /* peek the result from the stack */
lua_pop(lwh->l, 1); lua_output = (char*) lua_tostring(lwh->l, lua_gettop(lwh->l));
result = lua_tonumber(lwh->l, lua_gettop(lwh->l)); result = lua_tonumber(lwh->l, lua_gettop(lwh->l));
lua_pop(lwh->l, 1);
if (0 != res) { if (0 != res) {
syslog(LOG_ERR, "lua_work: error when calling entrypoint function: %d", res); syslog(LOG_ERR, "lua_work: error when calling entrypoint function: %d", res);
@ -185,5 +184,8 @@ int lua_work(void *handle, void *work_handle, char *input, char *output) {
snprintf(output, ANSWER_BUFSIZE, lua_output); snprintf(output, ANSWER_BUFSIZE, lua_output);
} }
/* remove the result from the stack */
lua_pop(lwh->l, 2);
return result; return result;
} }