date and time created 91/12/22 18:54:52 by bostic

SCCS-vsn: usr.bin/tset/misc.c 5.1

diff --git a/usr/src/usr.bin/tset/misc.c b/usr/src/usr.bin/tset/misc.c
new file mode 100644 (file)
index 0000000..883228a
--- /dev/null
+++ b/usr/src/usr.bin/tset/misc.c
@@ -0,0 +1,72 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)misc.c     5.1 (Berkeley) %G%";
+#endif /* not lint */
+
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "extern.h"
+
+void
+cat(file)
+       char *file;
+{
+       register int fd, nr, nw;
+       char buf[1024];
+
+       if ((fd = open(file, O_RDONLY, 0)) < 0)
+               err("%s: %s", file, strerror(errno));
+
+       while ((nr = read(fd, buf, sizeof(buf))) > 0)
+               if ((nw = write(STDERR_FILENO, buf, nr)) == -1)
+                       err("write to stderr: %s", strerror(errno));
+       if (nr != 0)
+               err("%s: %s", file, strerror(errno));
+       (void)close(fd);
+}
+
+void
+outc(c)
+       int c;
+{
+       (void)putc(c, stderr);
+}
+
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+void
+#if __STDC__
+err(const char *fmt, ...)
+#else
+err(fmt, va_alist)
+       char *fmt;
+        va_dcl
+#endif
+{
+       va_list ap;
+#if __STDC__
+       va_start(ap, fmt);
+#else
+       va_start(ap);
+#endif
+       (void)fprintf(stderr, "tset: ");
+       (void)vfprintf(stderr, fmt, ap);
+       va_end(ap);
+       (void)fprintf(stderr, "\n");
+       exit(1);
+       /* NOTREACHED */
+}