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bearssl
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tools
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brssl.c
(3.29 KB)
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brssl.h
(16.93 KB)
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certs.c
(5.59 KB)
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chain.c
(3.46 KB)
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client.c
(25.76 KB)
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errors.c
(8.67 KB)
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files.c
(6.62 KB)
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impl.c
(1.49 KB)
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keys.c
(5.3 KB)
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names.c
(27.33 KB)
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server.c
(28.48 KB)
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skey.c
(17.09 KB)
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sslio.c
(16.88 KB)
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ta.c
(6.77 KB)
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twrch.c
(24.85 KB)
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vector.c
(2.13 KB)
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verify.c
(8.01 KB)
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xmem.c
(2.87 KB)
Editing: vector.c
/* * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org> * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "brssl.h" /* * Prepare a vector buffer for adding 'extra' elements. * buf current buffer * esize size of a vector element * ptr pointer to the 'ptr' vector field * len pointer to the 'len' vector field * extra number of elements to add * * If the buffer must be enlarged, then this function allocates the new * buffer and releases the old one. The new buffer address is then returned. * If the buffer needs not be enlarged, then the buffer address is returned. * * In case of enlargement, the 'len' field is adjusted accordingly. The * 'ptr' field is not modified. */ void * vector_expand(void *buf, size_t esize, size_t *ptr, size_t *len, size_t extra) { size_t nlen; void *nbuf; if (*len - *ptr >= extra) { return buf; } nlen = (*len << 1); if (nlen - *ptr < extra) { nlen = extra + *ptr; if (nlen < 8) { nlen = 8; } } nbuf = xmalloc(nlen * esize); if (buf != NULL) { memcpy(nbuf, buf, *len * esize); xfree(buf); } *len = nlen; return nbuf; }
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