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| Rev | Author | Line No. | Line |
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| 504 | decky | 1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <libc.h> |
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| 30 | #include <unistd.h> |
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| 31 | #include <stdio.h> |
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| 974 | cejka | 32 | #include <io/io.h> |
| 504 | decky | 33 | |
| 713 | decky | 34 | static char nl = '\n'; |
| 35 | |||
| 504 | decky | 36 | int puts(const char * str) |
| 37 | { |
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| 38 | size_t count; |
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| 39 | |||
| 1173 | cejka | 40 | if (str == NULL) { |
| 41 | return putnchars("(NULL)",6 ); |
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| 42 | } |
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| 43 | |||
| 504 | decky | 44 | for (count = 0; str[count] != 0; count++); |
| 713 | decky | 45 | if (write(1, (void * ) str, count) == count) { |
| 46 | if (write(1, &nl, 1) == 1) |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |||
| 50 | return EOF; |
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| 504 | decky | 51 | } |
| 52 | |||
| 974 | cejka | 53 | /** Put count chars from buffer to stdout without adding newline |
| 1173 | cejka | 54 | * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed! |
| 974 | cejka | 55 | * @param count |
| 56 | * @return 0 on succes, EOF on fail |
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| 57 | */ |
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| 58 | int putnchars(const char * buf, size_t count) |
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| 59 | { |
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| 60 | if (write(1, (void * ) buf, count) == count) { |
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| 61 | return 0; |
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| 62 | } |
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| 63 | |||
| 64 | return EOF; |
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| 65 | } |
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| 66 | |||
| 67 | /** Same as puts, but does not print newline at end |
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| 68 | * |
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| 69 | */ |
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| 70 | int putstr(const char * str) |
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| 71 | { |
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| 72 | size_t count; |
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| 73 | |||
| 1010 | cejka | 74 | if (str == NULL) { |
| 75 | return putnchars("(NULL)",6 ); |
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| 76 | } |
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| 77 | |||
| 974 | cejka | 78 | for (count = 0; str[count] != 0; count++); |
| 79 | if (write(1, (void * ) str, count) == count) { |
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| 80 | return 0; |
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| 81 | } |
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| 82 | |||
| 83 | return EOF; |
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| 84 | } |
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| 85 | |||
| 1173 | cejka | 86 | int putchar(int c) |
| 87 | { |
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| 88 | unsigned char ch = c; |
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| 89 | if (write(1, (void *)&ch , 1) == 1) { |
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| 90 | return c; |
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| 91 | } |
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| 92 | |||
| 93 | return EOF; |
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| 94 | } |
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| 95 | |||
| 504 | decky | 96 | ssize_t write(int fd, const void * buf, size_t count) |
| 97 | { |
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| 954 | palkovsky | 98 | return (ssize_t) __SYSCALL3(SYS_IO, (sysarg_t) fd, (sysarg_t) buf, (sysarg_t) count); |
| 504 | decky | 99 | } |
| 974 | cejka | 100 | |
| 101 |