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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 | 39 | ||
40 | static char nl = '\n'; |
40 | static char nl = '\n'; |
41 | 41 | ||
42 | int puts(const char * str) |
42 | int puts(const char * str) |
43 | { |
43 | { |
44 | size_t count; |
44 | size_t count; |
45 | 45 | ||
46 | if (str == NULL) { |
46 | if (str == NULL) { |
47 | return putnchars("(NULL)",6 ); |
47 | return putnchars("(NULL)",6 ); |
48 | } |
48 | } |
49 | 49 | ||
50 | for (count = 0; str[count] != 0; count++); |
50 | for (count = 0; str[count] != 0; count++); |
51 | if (write(1, (void * ) str, count) == count) { |
51 | if (write(1, (void * ) str, count) == count) { |
52 | if (write(1, &nl, 1) == 1) |
52 | if (write(1, &nl, 1) == 1) |
53 | return 0; |
53 | return 0; |
54 | } |
54 | } |
55 | 55 | ||
56 | return EOF; |
56 | return EOF; |
57 | } |
57 | } |
58 | 58 | ||
59 | /** Put count chars from buffer to stdout without adding newline |
59 | /** Put count chars from buffer to stdout without adding newline |
60 | * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed! |
60 | * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed! |
61 | * @param count |
61 | * @param count |
62 | * @return 0 on succes, EOF on fail |
62 | * @return 0 on succes, EOF on fail |
63 | */ |
63 | */ |
64 | int putnchars(const char * buf, size_t count) |
64 | int putnchars(const char * buf, size_t count) |
65 | { |
65 | { |
66 | if (write(1, (void * ) buf, count) == count) { |
66 | if (write(1, (void * ) buf, count) == count) { |
67 | return 0; |
67 | return 0; |
68 | } |
68 | } |
69 | 69 | ||
70 | return EOF; |
70 | return EOF; |
71 | } |
71 | } |
72 | 72 | ||
73 | /** Same as puts, but does not print newline at end |
73 | /** Same as puts, but does not print newline at end |
74 | * |
74 | * |
75 | */ |
75 | */ |
76 | int putstr(const char * str) |
76 | int putstr(const char * str) |
77 | { |
77 | { |
78 | size_t count; |
78 | size_t count; |
79 | 79 | ||
80 | if (str == NULL) { |
80 | if (str == NULL) { |
81 | return putnchars("(NULL)",6 ); |
81 | return putnchars("(NULL)",6 ); |
82 | } |
82 | } |
83 | 83 | ||
84 | for (count = 0; str[count] != 0; count++); |
84 | for (count = 0; str[count] != 0; count++); |
85 | if (write(1, (void * ) str, count) == count) { |
85 | if (write(1, (void * ) str, count) == count) { |
86 | return 0; |
86 | return 0; |
87 | } |
87 | } |
88 | 88 | ||
89 | return EOF; |
89 | return EOF; |
90 | } |
90 | } |
91 | 91 | ||
92 | int putchar(int c) |
92 | int putchar(int c) |
93 | { |
93 | { |
94 | unsigned char ch = c; |
94 | unsigned char ch = c; |
95 | if (write(1, (void *)&ch , 1) == 1) { |
95 | if (write(1, (void *)&ch , 1) == 1) { |
96 | return c; |
96 | return c; |
97 | } |
97 | } |
98 | 98 | ||
99 | return EOF; |
99 | return EOF; |
100 | } |
100 | } |
101 | 101 | ||
102 | int getchar(void) |
102 | int getchar(void) |
103 | { |
103 | { |
104 | unsigned char c; |
104 | unsigned char c; |
105 | if (read(0, (void *)&c , 1) == 1) { |
105 | if (read(0, (void *)&c , 1) == 1) { |
106 | return c; |
106 | return c; |
107 | } |
107 | } |
108 | 108 | ||
109 | return EOF; |
109 | return EOF; |
110 | } |
110 | } |
111 | 111 | ||
112 | 112 | ||
113 | 113 | ||
114 | 114 | ||
115 | /** @} |
115 | /** @} |
116 | */ |
116 | */ |
117 | 117 | ||
118 | 118 | ||
119 | 119 |