From 95c314439342d3919b4ac8b6b84902d683cfee8d Mon Sep 17 00:00:00 2001 From: Roberto Ierusalimschy Date: Thu, 18 Jun 2015 11:27:44 -0300 Subject: redefine 'l_sprintf' to test correctness of buffer sizes given to 'snprintf' --- ltests.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'ltests.h') diff --git a/ltests.h b/ltests.h index 18ae9a01..d3404aa4 100644 --- a/ltests.h +++ b/ltests.h @@ -1,5 +1,5 @@ /* -** $Id: ltests.h,v 2.46 2014/12/19 13:33:06 roberto Exp roberto $ +** $Id: ltests.h,v 2.47 2014/12/26 14:44:44 roberto Exp roberto $ ** Internal Header for Debugging of the Lua Implementation ** See Copyright Notice in lua.h */ @@ -37,6 +37,15 @@ #define UNUSED(x) (x=0, (void)(x)) +/* test for sizes in 'l_sprintf' (make sure whole buffer is available) */ +#undef l_sprintf +#if !defined(LUA_USE_C89) +#define l_sprintf(s,sz,f,i) (memset(s,0xAB,sz), snprintf(s,sz,f,i)) +#else +#define l_sprintf(s,sz,f,i) (memset(s,0xAB,sz), sprintf(s,f,i)) +#endif + + /* memory-allocator control variables */ typedef struct Memcontrol { unsigned long numblocks; -- cgit v1.2.3-55-g6feb