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/* See LICENSE file for copyright and license details. */
#include "common.h"
USAGE("")
static struct stream stream;
static char *buf, *image;
static size_t n, m, ps;
#define PROCESS(TYPE)\
do {\
size_t i, j;\
for (i = 0; i < ps; i++)\
for (j = 0; j < n; j += ps)\
((TYPE *)image)[m - j + i] = ((TYPE *)buf)[i + j];\
} while (0)
static void process_long(void) {PROCESS(long);}
static void process_char(void) {PROCESS(char);}
int
main(int argc, char *argv[])
{
void (*process)(void) = process_char;
UNOFLAGS(argc);
eopen_stream(&stream, NULL);
echeck_dimensions(&stream, WIDTH, NULL);
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
buf = emalloc(stream.row_size);
image = emalloc(stream.row_size);
m = (n = stream.row_size) - (ps = stream.pixel_size);
if (!(stream.pixel_size % sizeof(long))) {
process = process_long;
m /= sizeof(long);
n /= sizeof(long);
ps /= sizeof(long);
}
while (eread_row(&stream, buf)) {
process();
ewriteall(STDOUT_FILENO, image, stream.row_size, "<stdout>");
}
free(buf);
free(image);
return 0;
}
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