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Subject[PATCH 2/8] Documentation/spi/spidev_test.c: clean up input_tx
Date
Put input from string into its own function.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
---
Documentation/spi/spidev_test.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c
index dfe8f47..1ed9110 100644
--- a/Documentation/spi/spidev_test.c
+++ b/Documentation/spi/spidev_test.c
@@ -249,12 +249,20 @@ static void parse_opts(int argc, char *argv[])
}
}

+static void transfer_escaped_string(int fd, char *str)
+{
+ size_t size = strlen(str + 1);
+ uint8_t *tx = malloc(size);
+
+ size = unescape((char *)tx, str, size);
+ transfer(fd, tx, size);
+ free(tx);
+}
+
int main(int argc, char *argv[])
{
int ret = 0;
int fd;
- uint8_t *tx;
- int size;

parse_opts(argc, argv);

@@ -299,15 +307,10 @@ int main(int argc, char *argv[])
printf("bits per word: %d\n", bits);
printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000);

- if (input_tx) {
- size = strlen(input_tx+1);
- tx = malloc(size);
- size = unescape((char *)tx, input_tx, size);
- transfer(fd, tx, size);
- free(tx);
- } else {
+ if (input_tx)
+ transfer_escaped_string(fd, input_tx);
+ else
transfer(fd, default_tx, sizeof(default_tx));
- }

close(fd);

--
2.5.0


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