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API checks now have explanatory messages

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This commit is contained in:
Roberto Ierusalimschy
2009-08-31 11:26:28 -03:00
parent 5b6be84106
commit 4a714cebd1
3 changed files with 34 additions and 28 deletions
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8
llimits.h
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@@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.72 2009/07/01 16:14:15 roberto Exp roberto $
** $Id: llimits.h,v 1.73 2009/07/15 17:26:14 roberto Exp roberto $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -55,16 +55,18 @@ typedef LUAI_UACNUMBER l_uacNumber;
#ifdef lua_assert
#define check_exp(c,e) (lua_assert(c), (e))
#define api_check(l,e) lua_assert(e)
#undef luai_apicheck
#define luai_apicheck(L,e) lua_assert(e)
#else
#define lua_assert(c) ((void)0)
#define check_exp(c,e) (e)
#define api_check luai_apicheck
#endif
#define api_check(l,e,msg) luai_apicheck(l,(e) && msg)
#ifndef UNUSED
#define UNUSED(x) ((void)(x)) /* to avoid warnings */