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Output a warning for a call to memset with a count of zero.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2939 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2004-03-18 09:43:08 +00:00
parent be9ddfd33e
commit 1a9c9bf32f
1 changed files with 3 additions and 0 deletions
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3
src/cc65/stdfunc.c
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@ -188,6 +188,9 @@ static void StdFunc_memset (FuncDesc* F attribute ((unused)),
*/ */
Flags = ParseArg (Arg3Type, &Arg); Flags = ParseArg (Arg3Type, &Arg);
if (Flags & CF_CONST) { if (Flags & CF_CONST) {
if (Arg.ConstVal == 0) {
Warning ("Call to memset has no effect");
}
ExprLoad (CF_FORCECHAR, 0, &Arg); ExprLoad (CF_FORCECHAR, 0, &Arg);
} }