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Paul Eggert authored
This improves the performance of (read "%xFF") by about 25% on my platform. * src/lread.c: Include <vla.h>, so that we can better document buffer sizes of arguments. (invalid_radix_integer_format, stackbufsize): New constants. (free_contents): Remove. All uses removed. (invalid_radix_integer): New function. (read_integer): New arg STACKBUF. Assume radix is in range. All uses changed. Use STACKBUF to avoid calling malloc in the usual case. Use grow_read_buffer to simplify. (read1): Tune. Improve quality of diagnostic when MOST_POSITIVE_FIXNUM < radix <= EMACS_INT_MAX.
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