/*
* Copyright (C) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <libc.h>
#include <unistd.h>
#include <stdio.h>
#include <io/io.h>
static char nl = '\n';
int puts(const char * str
) {
size_t count;
for (count = 0; str[count] != 0; count++);
if (write(1, (void * ) str, count) == count) {
if (write(1, &nl, 1) == 1)
return 0;
}
return EOF;
}
/** Put count chars from buffer to stdout without adding newline
* @param buf Buffer with size at least count bytes
* @param count
* @return 0 on succes, EOF on fail
*/
int putnchars(const char * buf, size_t count)
{
if (write(1, (void * ) buf, count) == count) {
return 0;
}
return EOF;
}
/** Same as puts, but does not print newline at end
*
*/
int putstr(const char * str)
{
size_t count;
if (str == NULL) {
return putnchars("(NULL)",6 );
}
for (count = 0; str[count] != 0; count++);
if (write(1, (void * ) str, count) == count) {
return 0;
}
return EOF;
}
ssize_t write(int fd, const void * buf, size_t count)
{
return (ssize_t) __SYSCALL3(SYS_IO, (sysarg_t) fd, (sysarg_t) buf, (sysarg_t) count);
}