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tccpp: parse_line_comment: fix possible buffer overrun

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This commit is contained in:
grischka 2016-10-01 22:01:25 +02:00
parent 5a23a72aed
commit 332cf5327f
1 changed files with 3 additions and 3 deletions
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6
tccpp.c
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@ -971,9 +971,9 @@ redo_start:
else if (tok == TOK_LINEFEED)
goto redo_start;
else if (parse_flags & PARSE_FLAG_ASM_FILE)
p = parse_line_comment(p);
p = parse_line_comment(p - 1);
} else if (parse_flags & PARSE_FLAG_ASM_FILE)
p = parse_line_comment(p);
p = parse_line_comment(p - 1);
break;
_default:
default:
@ -1954,7 +1954,7 @@ _line_num:
goto ignore;
tcc_warning("Ignoring unknown preprocessing directive #%s", get_tok_str(tok, &tokc));
ignore:
file->buf_ptr = parse_line_comment(file->buf_ptr);
file->buf_ptr = parse_line_comment(file->buf_ptr - 1);
goto the_end;
}
/* ignore other preprocess commands or #! for C scripts */