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annotate dbhelpers.c @ 1597:8f7b6f75aa58

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fix uninitialised memory in fuzzer codepath
author Matt Johnston <matt@ucc.asn.au>
date Tue, 06 Mar 2018 22:02:19 +0800
parents e75dab5bec71
children
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3017bc7d6238 move m_burn and function attributes to dbhelpers
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1 #include "dbhelpers.h"
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2 #include "includes.h"
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3
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4 /* Erase data */
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5 void m_burn(void *data, unsigned int len) {
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6
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7 #if defined(HAVE_MEMSET_S)
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8 memset_s(data, len, 0x0, len);
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9 #elif defined(HAVE_EXPLICIT_BZERO)
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10 explicit_bzero(data, len);
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11 #else
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e75dab5bec71 some linting after fuzz merge (#60)
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12 /* This must be volatile to avoid compiler optimisation */
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4b1a807a3188 Just use memset, it should'be be optimised out in a separate file
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13 volatile void *p = data;
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14 memset((void*)p, 0x0, len);
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15 #endif
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16 }
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