/*
 * Portable and non-broken cat(1).
 *
 * Dan Cross <net!gajendra!cross>
 */

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef unsigned char uchar;

void
cat(FILE *fd)
{
	size_t n;
	uchar buf[8192];

	while ((n = fread(buf, sizeof(uchar), sizeof(buf), fd)) > 0) {
		if (fwrite(buf, sizeof(uchar), n, stdout) != n) {
			perror("fwrite");
		}
	}
}

int
main(int argc, char *argv[])
{
	FILE *fd;
	char *filename;

	if (argc == 1) {
		cat(stdin);
	} else while ((filename = *++argv) != NULL) {
		if (strcmp(filename, "-") == 0) {
			cat(stdin);
			continue;
		}
		fd = fopen(filename, "rb");
		if (fd == NULL) {
			perror(filename);
			continue;
		}
		cat(fd);
		fclose(fd);
	}

	return(EXIT_SUCCESS);
}