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annotate dyncall/dyncall_vector.c @ 356:2f64957d6a46

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- fix to dynload to build with musl libc (latter has dlinfo but not RTLD_SELF, so fallback to dl_iterate_phdr if on ELF targets)
author Tassilo Philipp
date Tue, 25 Feb 2020 16:07:45 +0100
parents 6ffb6a00cf55
children
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1 /*
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2
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3 Package: dyncall
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4 Library: dyncall
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5 File: dyncall/dyncall_vector.c
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6 Description: Simple dynamic vector container type implementation
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7 License:
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8
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9 Copyright (c) 2007-2018 Daniel Adler <dadler@uni-goettingen.de>,
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10 Tassilo Philipp <tphilipp@potion-studios.com>
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11
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12 Permission to use, copy, modify, and distribute this software for any
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13 purpose with or without fee is hereby granted, provided that the above
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14 copyright notice and this permission notice appear in all copies.
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15
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16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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23
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24 */
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25
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27
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28 #include "dyncall_vector.h"
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29 #include <string.h>
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32 void dcVecAppend(DCVecHead* pHead, const void* pData, size_t size)
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33 {
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34 size_t newSize = pHead->mSize + size;
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35 if(newSize <= pHead->mTotal)
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36 {
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37 void* dst = (DCchar*)dcVecData(pHead) + pHead->mSize;
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38 switch (size) {
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39 case 1: *(DCchar *)dst = *(const DCchar *)pData; break;
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40 case 2: *(DCshort *)dst = *(const DCshort *)pData; break;
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41 case 4: *(DCint *)dst = *(const DCint *)pData; break;
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42 case 8: *(DCint *)( ( (char*)dst )+4) = *(const DCint *)( ( (char*)pData )+4);
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43 *(DCint *)dst = *(const DCint *)pData; break;
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44 /* On sparc 32-bit, this one crashes if ptrs are not aligned, so use above.
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45 case 8: *(DClonglong*)dst = *(const DClonglong*)pData; break;
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46 */
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47
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48 default: memcpy(dst, pData, size); /* for all the rest. */
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49 }
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50 pHead->mSize = newSize;
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51 }
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52 /*else @@@ warning? error?*/
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53 }
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