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Date: Mon, 3 Sep 2018 19:33:23 +0200 From: Geert Uytterhoeven <geert+renesas@...der.be> To: Mark Brown <broonie@...nel.org> Cc: linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org, Geert Uytterhoeven <geert+renesas@...der.be> Subject: [PATCH] spi: spidev_test: Improve decoded text part of hex dump - Print spaces as spaces, - Do not print characters > 126, as they will be shown as garbage in the modern UTF-8 era, - Use a normal period instead of its hexadecimal ASCII value, - Delimit the text part with pipe symbols on both sides (was left side only), without any spaces, to make it clear where the decoded text starts and ends, - Drop a useless comment. Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be> --- tools/spi/spidev_test.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c index 8c590cd1171a99c2..4c12e6aea5d5d0d1 100644 --- a/tools/spi/spidev_test.c +++ b/tools/spi/spidev_test.c @@ -73,12 +73,12 @@ static void hex_dump(const void *src, size_t length, size_t line_size, while (i++ % line_size) printf("__ "); } - printf(" | "); /* right close */ + printf(" |"); while (line < address) { c = *line++; - printf("%c", (c < 33 || c == 255) ? 0x2E : c); + printf("%c", (c < 32 || c > 126) ? '.' : c); } - printf("\n"); + printf("|\n"); if (length > 0) printf("%s | ", prefix); } -- 2.17.1
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