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60b74bde92
The INCA-IP SoC belongs to the Lantiq XWAY SoC product portfolio. For the upcoming support of other Lantiq SoC devices this tool should not solely depend on the INCA-IP board. Rename the tool to xway-swap-bytes and add an config option to enable compilation optionally. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Acked-by: Thomas Langer <thomas.langer@lantiq.com> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
39 lines
647 B
C
39 lines
647 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifndef BUFSIZ
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# define BUFSIZ 4096
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#endif
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#undef BUFSIZ
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# define BUFSIZ 64
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int main (void)
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{
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short ibuff[BUFSIZ], obuff[BUFSIZ];
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int rc, i, len;
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while ((rc = read (0, ibuff, sizeof (ibuff))) > 0) {
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memset (obuff, 0, sizeof (obuff));
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for (i = 0; i < (rc + 1) / 2; i++) {
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obuff[i] = ibuff[i ^ 1];
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}
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len = (rc + 1) & ~1;
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if (write (1, obuff, len) != len) {
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perror ("read error");
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return (EXIT_FAILURE);
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}
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memset (ibuff, 0, sizeof (ibuff));
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}
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if (rc < 0) {
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perror ("read error");
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return (EXIT_FAILURE);
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}
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return (EXIT_SUCCESS);
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}
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