Sun, 25 Jun 2023 11:25:59 +0200
fix xattr_set on FreeBSD
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. 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 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include "cx/utils.h" |
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30 | |
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31 | #define CX_STREAM_BCOPY_BUF_SIZE 8192 |
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32 | #define CX_STREAM_COPY_BUF_SIZE 1024 |
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33 | |
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34 | size_t cx_stream_bncopy( |
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35 | void *src, |
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36 | void *dest, |
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37 | cx_read_func rfnc, |
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38 | cx_write_func wfnc, |
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39 | char *buf, |
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40 | size_t bufsize, |
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41 | size_t n |
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42 | ) { |
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43 | if (n == 0) { |
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44 | return 0; |
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45 | } |
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46 | |
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47 | char *lbuf; |
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48 | size_t ncp = 0; |
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49 | |
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50 | if (buf) { |
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51 | if (bufsize == 0) return 0; |
70 | 52 | lbuf = buf; |
53 | } else { | |
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54 | if (bufsize == 0) bufsize = CX_STREAM_BCOPY_BUF_SIZE; |
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55 | lbuf = malloc(bufsize); |
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56 | if (lbuf == NULL) { |
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57 | return 0; |
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58 | } |
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59 | } |
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60 | |
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61 | size_t r; |
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62 | size_t rn = bufsize > n ? n : bufsize; |
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63 | while ((r = rfnc(lbuf, 1, rn, src)) != 0) { |
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64 | r = wfnc(lbuf, 1, r, dest); |
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65 | ncp += r; |
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66 | n -= r; |
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67 | rn = bufsize > n ? n : bufsize; |
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68 | if (r == 0 || n == 0) { |
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69 | break; |
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70 | } |
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71 | } |
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72 | |
70 | 73 | if (lbuf != buf) { |
74 | free(lbuf); | |
75 | } | |
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76 | |
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77 | return ncp; |
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78 | } |
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79 | |
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80 | size_t cx_stream_ncopy( |
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81 | void *src, |
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82 | void *dest, |
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83 | cx_read_func rfnc, |
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84 | cx_write_func wfnc, |
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85 | size_t n |
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86 | ) { |
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87 | char buf[CX_STREAM_COPY_BUF_SIZE]; |
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88 | return cx_stream_bncopy(src, dest, rfnc, wfnc, |
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89 | buf, CX_STREAM_COPY_BUF_SIZE, n); |
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90 | } |
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91 | |
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92 | #ifndef CX_SZMUL_BUILTIN |
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93 | #include "szmul.c" |
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94 | #endif |