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redefine 'l_sprintf' to test correctness of buffer sizes given 

to 'snprintf'
This commit is contained in:
Roberto Ierusalimschy 2015-06-18 11:27:44 -03:00
parent 19eb6ae580
commit 95c3144393
1 changed files with 10 additions and 1 deletions
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11
ltests.h
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@ -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;