| 1 | /* |
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| 2 | Copyright 2007 |
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| 3 | International Business Machines Corporation, |
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| 4 | Sony Computer Entertainment, Incorporated, |
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| 5 | Toshiba Corporation, |
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| 6 | |
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| 7 | All rights reserved. |
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| 8 | |
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| 9 | Redistribution and use in source and binary forms, with or without |
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| 10 | modification, are permitted provided that the following conditions are met: |
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| 11 | |
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| 12 | * Redistributions of source code must retain the above copyright notice, |
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| 13 | this list of conditions and the following disclaimer. |
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| 14 | * Redistributions in binary form must reproduce the above copyright |
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| 15 | notice, this list of conditions and the following disclaimer in the |
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| 16 | documentation and/or other materials provided with the distribution. |
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| 17 | * Neither the names of the copyright holders nor the names of their |
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| 18 | contributors may be used to endorse or promote products derived from |
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| 19 | this software without specific prior written permission. |
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| 20 | |
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| 21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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| 22 | IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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| 23 | TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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| 24 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
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| 25 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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| 26 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 27 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 28 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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| 29 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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| 30 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 31 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | #include <unistd.h> |
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| 35 | #include "jsre.h" |
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| 36 | |
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| 37 | typedef struct |
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| 38 | { |
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| 39 | unsigned int path; |
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| 40 | unsigned int pad0[3]; |
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| 41 | unsigned int buf; |
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| 42 | unsigned int pad1[3]; |
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| 43 | unsigned int bufsiz; |
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| 44 | unsigned int pad2[3]; |
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| 45 | } syscall_readlink_t; |
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| 46 | |
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| 47 | ssize_t |
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| 48 | readlink (const char *path, char *buf, size_t bufsiz) |
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| 49 | { |
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| 50 | syscall_readlink_t sys; |
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| 51 | |
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| 52 | sys.path = (unsigned int) path; |
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| 53 | sys.buf = (unsigned int) buf; |
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| 54 | sys.bufsiz = (unsigned int) bufsiz; |
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| 55 | return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_READLINK, &sys); |
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| 56 | } |
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