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343a2a5581
conv_num returns NULL if the input is invalid, e. g., the numbers are out of range. However, the code fails to test this in a lot of places. Rather than adding checks all over the place, rename conv_num to __conv_num and create a wrapper macro conv_num to perform the task of error checking. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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