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preproc: reject NUL characters in %deftok directives

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We could either error out or convert them to whitespace; this
implements the error option.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2009-07-14 15:04:04 -04:00
parent 466ba97d68
commit 2f55bdaaca
1 changed files with 11 additions and 4 deletions
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15
preproc.c
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@ -3000,8 +3000,11 @@ static int do_directive(Token * tline)
free_tlist(origline);
return DIRECTIVE_FOUND;
case PP_DEFTOK:
case PP_IDEFTOK:
case PP_DEFTOK:
case PP_IDEFTOK:
{
size_t len;
casesense = (i == PP_DEFTOK);
tline = tline->next;
@ -3034,8 +3037,11 @@ static int do_directive(Token * tline)
return DIRECTIVE_FOUND;
}
nasm_unquote(t->text, NULL);
macro_start = tokenize(t->text);
len = nasm_unquote(t->text, NULL);
if (memchr(t->text, '\0', len))
error(ERR_NONFATAL, "NUL character in `%s' directive",
pp_directives[i]);
macro_start = tokenize(t->text);
/*
* We now have a macro name, an implicit parameter count of
@ -3046,6 +3052,7 @@ static int do_directive(Token * tline)
free_tlist(tline);
free_tlist(origline);
return DIRECTIVE_FOUND;
}
case PP_PATHSEARCH:
{