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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