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Message-Id: <20180903173323.7436-1-geert+renesas@glider.be>
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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