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cp/m files, sprites, circuit design

emu/z80pack-1.9/cpmsim/srccpm2/receive.c

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+/*
+ * Receive a file out of the named pipe "auxout" from CP/M simulation
+ *
+ * Copyright (C) 1988-2006 by Udo Munk
+ *
+ * History:
+ * 05-OKT-88 Development on TARGON/35 with AT&T Unix System V.3
+ * 11-MAR-93 comments in english and ported to COHERENT 4.0
+ * 01-OCT-06 modified to compile on modern POSIX OS's
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <signal.h>
+#include <fcntl.h>
+
+int fdin, fdout;
+
+int main(int argc, char *argv[])
+{
+	char c;
+	void int_handler(void);
+
+	if (argc != 2) {
+		puts("usage: receive filname &");
+		exit(1);
+	}
+	if ((fdin = open("auxout", O_RDONLY)) == -1) {
+		perror("pipe auxout");
+		exit(1);
+	}
+	if ((fdout = creat(argv[1], 0644)) == -1) {
+		perror(argv[1]);
+		exit(1);
+	}
+
+	signal(SIGINT, SIG_IGN);
+	signal(SIGQUIT, SIG_IGN);
+	signal(SIGHUP, int_handler);
+
+	for (;;) {
+		if (read(fdin, &c, 1) == 1)
+			if (c != '\r')
+				write(fdout, &c, 1);
+	}
+
+	return(0);
+}
+
+void int_handler(void)
+{
+	close(fdin);
+	close(fdout);
+	exit(0);
+}