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fix end-of-buffer error in tccpp.c

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Quick fix for
http://lists.nongnu.org/archive/html/tinycc-devel/2015-04/msg00160.html.

I don't fully understand the intended semantics of when file->buf_ptr[0]
is valid, but the rest of the code doesn't have any obvious spots with
the same bug.

Feel free to revert this if I'm mistaken or we need to discuss this
change further.
This commit is contained in:
Philip 2015-04-30 19:07:44 +00:00
parent 4126056fbe
commit 2e04fa8872
1 changed files with 1 additions and 1 deletions
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2
tccpp.c
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@ -2888,7 +2888,7 @@ static int macro_subst_tok(TokenString *tok_str,
goto redo; goto redo;
} }
} else { } else {
ch = file->buf_ptr[0]; ch = tcc_peekc_slow(file);
while (is_space(ch) || ch == '\n' || ch == '/') while (is_space(ch) || ch == '\n' || ch == '/')
{ {
if (ch == '/') if (ch == '/')