[444] | 1 | /* |
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| 2 | (C) Copyright 2001,2006, |
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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 this |
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| 19 | 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 IS" |
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| 22 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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| 25 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 31 | POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | #include <spu_intrinsics.h> |
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| 34 | #include <stddef.h> |
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| 35 | #include <string.h> |
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| 36 | |
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| 37 | #define min(a, b) (a) < (b) ? (a) : (b) |
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| 38 | |
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| 39 | /* The strxfrm() function transforms the src string into a form such that |
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| 40 | * the result of strcmp() on two strings that have been transformed with |
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| 41 | * strxfrm() is the same as the result of strcoll() on the two strings |
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| 42 | * before their transformation. The first n characters of the transformed |
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| 43 | * string are placed in dest. |
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| 44 | * |
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| 45 | * The strxfrm() function returns the number of bytes required to store |
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| 46 | * the transformed string in dest excluding the terminating character |
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| 47 | * If the value returned is n or more, the contents of dest are indeterminate. |
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| 48 | * |
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| 49 | * Note: Since this library/function only supports a single locale, no |
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| 50 | * transformation is performed. |
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| 51 | */ |
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| 52 | |
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| 53 | size_t strxfrm(char * __restrict__ dest, const char * __restrict__ src, size_t n) |
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| 54 | { |
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| 55 | size_t len; |
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| 56 | |
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| 57 | len = strlen(src); |
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| 58 | (void)memcpy((void *)dest, (void *)src, min(n,len + 1)); |
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| 59 | |
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| 60 | return len; |
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| 61 | } |
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