ING_DB

WEGA/contrib/ingres/dbs/src/gutil/xputchar.c

@@ -0,0 +1,53 @@
+# include	<stdio.h>
+
+static short	AAprtable[16] =
+{
+# ifdef EBCDIC
+	0x3820, 0x0060, 0x8020, 0x0000,
+	0xf801, 0x7c01, 0xf803, 0xfc00,
+	0x03fe, 0x03fe, 0x03fc, 0x0000,
+	0x03fe, 0x03fe, 0x03fc, 0x03ff
+# else
+	0x3780, 0x0000, 0xffff, 0xffff,
+	0xffff, 0xffff, 0xffff, 0x7fff,
+	0x0000, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x0000, 0x0000, 0x0000
+# endif
+};
+
+/*
+**  XPUTCHAR -- put character to standard output
+**
+**	The character is put directly to standard output, unless it is
+**	a control character, in which case it is translated to a back-
+**	slash escape so that it can be read.  If this translation is
+**	not wanted, use putc().
+**
+**	The determination of printability is done by looking at the
+**	bit vector 'AAprtable' -- if the corresponding bit is set,
+**	the character is printed directly.
+**
+**	Parameter:
+**		c -- character to output
+*/
+AAxputchar(c)
+register int	c;
+{
+	register int	i;
+	register int	mask;
+
+	i = (c >> 4) & 017;
+	mask = 1 << (c & 017);
+
+	if (!(mask & AAprtable[i]))
+	{
+		/* output the octal */
+		putchar('\\');
+		i = c;
+		putchar(((i & 0300) >> 6) + '0');
+		putchar(((i & 0070) >> 3) + '0');
+		return (putchar((i & 0007) + '0'));
+	}
+	else
+		return (putchar(c));
+}