Software /
code /
prosody
Diff
util-src/ringbuffer.c @ 10899:8048255ae61e
util.ringbuffer: Prevent creation of buffer with negative size
Previously this would have been (unsigned)-1 which is a large positive
integer.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 04 Jun 2020 16:11:08 +0200 |
parent | 10898:c6465fb3c839 |
child | 10901:5e33926f4b43 |
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--- a/util-src/ringbuffer.c Fri May 29 18:11:42 2020 +0200 +++ b/util-src/ringbuffer.c Thu Jun 04 16:11:08 2020 +0200 @@ -197,7 +197,7 @@ } static int rb_new(lua_State *L) { - size_t size = luaL_optinteger(L, 1, sysconf(_SC_PAGESIZE)); + lua_Integer size = luaL_optinteger(L, 1, sysconf(_SC_PAGESIZE)); luaL_argcheck(L, size > 0, 1, "positive integer expected"); ringbuffer *b = lua_newuserdata(L, sizeof(ringbuffer) + size);