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