WebSVN – HelenOS – Diff – /branches/dynload/uspace/lib/libc/generic/io/io.c


/*
 * 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.
 */
 
/** @addtogroup libc
 * @{
 */
/** @file
 */
 
#include <libc.h>
#include <unistd.h>
#include <stdio.h>
#include <io/io.h>
#include <string.h>
#include <errno.h>
#include <console.h>
 
const static char nl = '\n';
 
int puts(const char *str)
{
    size_t count;
   
    if (str == NULL)
        return putnchars("(NULL)", 6);
   
    for (count = 0; str[count] != 0; count++);
   
    if (console_write((void *) str, count) == count) {
        if (console_write(&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 - NULL pointer NOT allowed!
 * @param count
 * @return 0 on succes, EOF on fail
 */
int putnchars(const char *buf, size_t count)
{
    if (console_write((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 (console_write((void *) str, count) == count)
        return 0;
   
    return EOF;
}
 
int putchar(int c)
{
    char buf[STR_BOUNDS(1)];
    size_t offs;
 
    offs = 0;
    if (chr_encode(c, buf, &offs, STR_BOUNDS(1)) != EOK)
        return EOF;
 
    if (console_write((void *) buf, offs) == offs)
        return c;
 
    return EOF;
}
 
int getchar(void)
{
    unsigned char c;
   
    console_flush();
    if (read_stdin((void *) &c, 1) == 1)
        return c;
   
    return EOF;
}
 
int fflush(FILE *f)
{
    /* Dummy implementation */
    (void) f;
    console_flush();
    return 0;
}
 
/** @}
 */
 

Rev 4347	Rev 4348
1	/*	1	/*
2	* Copyright (c) 2005 Martin Decky	2	* Copyright (c) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup libc	29	/** @addtogroup libc
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <libc.h>	35	#include <libc.h>
36	#include <unistd.h>	36	#include <unistd.h>
37	#include <stdio.h>	37	#include <stdio.h>
38	#include <io/io.h>	38	#include <io/io.h>
-		39	#include <string.h>
-		40	#include <errno.h>
-		41	#include <console.h>
39		42
40	const static char nl = '\n';	43	const static char nl = '\n';
41		44
42	int puts(const char *str)	45	int puts(const char *str)
43	{	46	{
44	size_t count;	47	size_t count;
45		48
46	if (str == NULL)	49	if (str == NULL)
47	return putnchars("(NULL)", 6);	50	return putnchars("(NULL)", 6);
48		51
49	for (count = 0; str[count] != 0; count++);	52	for (count = 0; str[count] != 0; count++);
-		53
50	if (write_stdout((void *) str, count) == count) {	54	if (console_write((void *) str, count) == count) {
51	if (write_stdout(&nl, 1) == 1)	55	if (console_write(&nl, 1) == 1)
52	return 0;	56	return 0;
53	}	57	}
54		58
55	return EOF;	59	return EOF;
56	}	60	}
57		61
58	/** Put count chars from buffer to stdout without adding newline	62	/** Put count chars from buffer to stdout without adding newline
59	* @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!	63	* @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!
60	* @param count	64	* @param count
61	* @return 0 on succes, EOF on fail	65	* @return 0 on succes, EOF on fail
62	*/	66	*/
63	int putnchars(const char *buf, size_t count)	67	int putnchars(const char *buf, size_t count)
64	{	68	{
65	if (write_stdout((void *) buf, count) == count)	69	if (console_write((void *) buf, count) == count)
66	return 0;	70	return 0;
67		71
68	return EOF;	72	return EOF;
69	}	73	}
70		74
71	/** Same as puts, but does not print newline at end	75	/** Same as puts, but does not print newline at end
72	*	76	*
73	*/	77	*/
74	int putstr(const char *str)	78	int putstr(const char *str)
75	{	79	{
76	size_t count;	80	size_t count;
77		81
78	if (str == NULL)	82	if (str == NULL)
79	return putnchars("(NULL)", 6);	83	return putnchars("(NULL)", 6);
80		84
81	for (count = 0; str[count] != 0; count++);	85	for (count = 0; str[count] != 0; count++);
82	if (write_stdout((void *) str, count) == count)	86	if (console_write((void *) str, count) == count)
83	return 0;	87	return 0;
84		88
85	return EOF;	89	return EOF;
86	}	90	}
87		91
88	int putchar(int c)	92	int putchar(int c)
89	{	93	{
-		94	char buf[STR_BOUNDS(1)];
90	unsigned char ch = c;	95	size_t offs;
-		96
-		97	offs = 0;
-		98	if (chr_encode(c, buf, &offs, STR_BOUNDS(1)) != EOK)
-		99	return EOF;
-		100
91	if (write_stdout((void *) &ch, 1) == 1)	101	if (console_write((void *) buf, offs) == offs)
92	return c;	102	return c;
93		103
94	return EOF;	104	return EOF;
95	}	105	}
96		106
97	int getchar(void)	107	int getchar(void)
98	{	108	{
99	unsigned char c;	109	unsigned char c;
100		110
101	flush_stdout();	111	console_flush();
102	if (read_stdin((void *) &c, 1) == 1)	112	if (read_stdin((void *) &c, 1) == 1)
103	return c;	113	return c;
104		114
105	return EOF;	115	return EOF;
106	}	116	}
107		117
108	int fflush(FILE *f)	118	int fflush(FILE *f)
109	{	119	{
-		120	/* Dummy implementation */
110	(void) f;	121	(void) f;
111	return flush_stdout();	122	console_flush();
-		123	return 0;
112	}	124	}
113		125
114	/** @}	126	/** @}
115	*/	127	*/
116		128

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/lib/libc/generic/io/io.c – Rev 4347 → 4348