apply patches submitted by sodabrew

1 files changed, 7 insertions, 0 deletions

diff --git a/flex.skl b/flex.skl
index 3cf3064..4ab57c9 100644
--- a/flex.skl
+++ b/flex.skl
@@ -1647,6 +1647,13 @@ m4_ifdef( [[M4_YY_USES_REJECT]],
 	else
 		ret_val = EOB_ACT_CONTINUE_SCAN;
 
+	if ((yy_size_t) (yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		yy_size_t new_size = yy_n_chars + number_to_move + (yy_n_chars >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
+			(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, new_size);
+	}
+
 	YY_G(yy_n_chars) += number_to_move;
 	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
 	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;