From c62c176abe6ca5e33c25cdebcb7d1457486ce7ca Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 16 Nov 2019 16:45:33 +0100 Subject: util.pposix: Avoid overflow of malloc info at 2GB (fixes #1445 until 4GB) --- util-src/pposix.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/util-src/pposix.c b/util-src/pposix.c index 5c926603..004f61a6 100644 --- a/util-src/pposix.c +++ b/util-src/pposix.c @@ -721,20 +721,20 @@ int lc_meminfo(lua_State *L) { struct mallinfo info = mallinfo(); lua_createtable(L, 0, 5); /* This is the total size of memory allocated with sbrk by malloc, in bytes. */ - lua_pushinteger(L, info.arena); + lua_pushinteger(L, (unsigned)info.arena); lua_setfield(L, -2, "allocated"); /* This is the total size of memory allocated with mmap, in bytes. */ - lua_pushinteger(L, info.hblkhd); + lua_pushinteger(L, (unsigned)info.hblkhd); lua_setfield(L, -2, "allocated_mmap"); /* This is the total size of memory occupied by chunks handed out by malloc. */ - lua_pushinteger(L, info.uordblks); + lua_pushinteger(L, (unsigned)info.uordblks); lua_setfield(L, -2, "used"); /* This is the total size of memory occupied by free (not in use) chunks. */ - lua_pushinteger(L, info.fordblks); + lua_pushinteger(L, (unsigned)info.fordblks); lua_setfield(L, -2, "unused"); /* This is the size of the top-most releasable chunk that normally borders the end of the heap (i.e., the high end of the virtual address space's data segment). */ - lua_pushinteger(L, info.keepcost); + lua_pushinteger(L, (unsigned)info.keepcost); lua_setfield(L, -2, "returnable"); return 1; } -- cgit v1.2.3