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/*----------------------------------------------------------------------------
ppmtoppm
------------------------------------------------------------------------------
Part of the Netpbm package.
Copy PPM image from Standard Input to Standard Output
By Bryan Henderson, San Jose CA 2002.09.07
Contributed to the public domain by its author 2002.09.07
-----------------------------------------------------------------------------*/
#include "ppm.h"
int
main(int argc, char *argv[]) {
int format;
int rows, cols;
pixval maxval;
int row;
pixel* pixelrow;
ppm_init(&argc, argv);
if (argc-1 != 0)
pm_error("Program takes no arguments. Input is from Standard Input");
ppm_readppminit(stdin, &cols, &rows, &maxval, &format);
ppm_writeppminit(stdout, cols, rows, maxval, 0);
pixelrow = ppm_allocrow(cols);
for (row = 0; row < rows; row++) {
ppm_readppmrow(stdin, pixelrow, cols, maxval, format);
ppm_writeppmrow(stdout, pixelrow, cols, maxval, 0);
}
ppm_freerow(pixelrow);
pm_close(stdin);
exit(0);
}
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