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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1987, 1988, 1989, 1990 by Sun Microsystems, Inc.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Subroutines for the 4.0 compatibility run-time link editor.
*/
#include <varargs.h>
#include <sys/types.h>
/*
* Local "printf" & stdio facilities.
*/
int stdout = 1; /* File descriptor for output */
int stderr = 2; /* File descriptor for errors */
static char *printn();
static void prf();
static void doprf();
static int _write();
/*
* printf
*/
/*VARARGS1*/
printf(fmt, va_alist)
char *fmt;
va_dcl
{
va_list x1;
va_start(x1);
prf(stdout, fmt, x1);
va_end(x1);
}
/*
* fprintf
*/
/*VARARGS2*/
fprintf(fd, fmt, va_alist)
int fd;
char *fmt;
va_dcl
{
va_list x1;
va_start(x1);
prf(fd, fmt, x1);
va_end(x1);
}
/*
* panic
*/
/*VARARGS2*/
panic(fmt, va_alist)
char *fmt;
va_dcl
{
va_list x1;
extern char *program_name;
va_start(x1);
prf(stderr, "%s (4.x.ld.so): ", program_name);
prf(stderr, fmt, x1);
prf(stderr, "\n", x1);
va_end(x1);
_exit(127);
/* NOTREACHED */
}
/*
* sprintf
*/
/*VARARGS2*/
sprintf(cp, fmt, va_alist)
char *cp;
char *fmt;
va_dcl
{
va_list x1;
va_start(x1);
doprf(-1, fmt, x1, cp);
va_end(x1);
}
/*
* printf worker functions
*/
static void
prf(fd, fmt, adx)
int fd;
char *fmt;
va_list adx;
{
char linebuf[128];
doprf(fd, fmt, adx, linebuf);
}
static void
doprf(fd, fmt, adx, linebuf)
int fd;
register char *fmt;
register va_list adx;
char *linebuf;
{
register int c; /* Character temporary */
register char *lbp; /* Pointer into stack buffer */
register char *s; /* %s temporary */
int i; /* General integer temporary */
int b; /* Conversion base */
#define PUTCHAR(c) { \
if (lbp >= &linebuf[128]) { \
_write(fd, linebuf, lbp - &linebuf[0]); \
lbp = &linebuf[0]; \
} \
*lbp++ = (c); \
}
lbp = &linebuf[0];
loop:
while ((c = *fmt++) != '%') {
if (c == '\0') {
_write(fd, linebuf, lbp - &linebuf[0]);
return;
}
PUTCHAR(c);
}
again:
c = *fmt++;
/* THIS CODE IS VAX DEPENDENT IN HANDLING %l? AND %c */
switch (c) {
case 'x': case 'X':
b = 16;
goto number;
case 'd': case 'D':
case 'u': /* what a joke */
b = 10;
goto number;
case 'o': case 'O':
b = 8;
number:
lbp = printn(fd, va_arg(adx, u_long), b, &linebuf[0], lbp,
&linebuf[128]);
break;
case 'c':
b = va_arg(adx, int);
for (i = 24; i >= 0; i -= 8)
if (c = (b >> i) & 0x7f) {
PUTCHAR(c);
}
break;
case 's':
s = va_arg(adx, char *);
while (c = *s++) {
PUTCHAR(c);
}
break;
case '%':
PUTCHAR('%');
break;
}
goto loop;
}
/*
* Printn prints a number n in base b.
*/
static char *
printn(fd, n, b, linebufp, lbp, linebufend)
int fd; /* File descriptor to get output */
u_long n; /* Number */
int b; /* Base */
char *linebufp; /* Buffer location */
register char *lbp; /* Current offset in buffer */
char *linebufend; /* Where buffer ends */
{
char prbuf[11]; /* Local result accumulator */
register char *cp;
#undef PUTCHAR
#define PUTCHAR(c) { \
if (lbp >= linebufend) { \
_write(fd, linebufp, lbp - linebufp); \
lbp = linebufp; \
} \
*lbp++ = (c); \
}
if (b == 10 && (int)n < 0) {
PUTCHAR('-');
n = (unsigned)(-(int)n);
}
cp = prbuf;
do {
*cp++ = "0123456789abcdef"[n%b];
n /= b;
} while (n);
do {
PUTCHAR(*--cp);
} while (cp > prbuf);
return (lbp);
}
static int
_write(fd, buf, len)
int fd;
char *buf;
int len;
{
if (fd == -1) {
*(buf + len) = '\0';
return (0);
}
return (write(fd, buf, len));
}
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