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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/tools/xway-swap-bytes.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/tools/xway-swap-bytes.c')
-rw-r--r-- | roms/u-boot/tools/xway-swap-bytes.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/roms/u-boot/tools/xway-swap-bytes.c b/roms/u-boot/tools/xway-swap-bytes.c new file mode 100644 index 00000000..3a6d82d5 --- /dev/null +++ b/roms/u-boot/tools/xway-swap-bytes.c @@ -0,0 +1,38 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#ifndef BUFSIZ +# define BUFSIZ 4096 +#endif + +#undef BUFSIZ +# define BUFSIZ 64 +int main (void) +{ + short ibuff[BUFSIZ], obuff[BUFSIZ]; + int rc, i, len; + + while ((rc = read (0, ibuff, sizeof (ibuff))) > 0) { + memset (obuff, 0, sizeof (obuff)); + for (i = 0; i < (rc + 1) / 2; i++) { + obuff[i] = ibuff[i ^ 1]; + } + + len = (rc + 1) & ~1; + + if (write (1, obuff, len) != len) { + perror ("read error"); + return (EXIT_FAILURE); + } + + memset (ibuff, 0, sizeof (ibuff)); + } + + if (rc < 0) { + perror ("read error"); + return (EXIT_FAILURE); + } + return (EXIT_SUCCESS); +} |