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annotate libtomcrypt/src/headers/tomcrypt_argchk.h @ 1086:50f8a24953e6

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note about constant_time_strcmp and lengths
author Matt Johnston <matt@ucc.asn.au>
date Wed, 03 Jun 2015 22:15:12 +0800
parents 38d2f6b2d1b8
children f849a5ca2efc
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1 /* Defines the LTC_ARGCHK macro used within the library */
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2 /* ARGTYPE is defined in mycrypt_cfg.h */
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3 #if ARGTYPE == 0
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5 #include <signal.h>
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6
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7 /* portability macros for compiler-specific code attributes */
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8 #ifdef __GNUC__
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9 #define ATTRIB_NORETURN __attribute__((noreturn))
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10 #else
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11 #define ATTRIB_NORETURN
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12 #endif
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15 /* this is the default LibTomCrypt macro */
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16 void crypt_argchk(char *v, char *s, int d) ATTRIB_NORETURN;
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17 #define LTC_ARGCHK(x) if (!(x)) { crypt_argchk(#x, __FILE__, __LINE__); }
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18 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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20 #elif ARGTYPE == 1
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22 /* fatal type of error */
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23 #define LTC_ARGCHK(x) assert((x))
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24 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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26 #elif ARGTYPE == 2
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27
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28 #define LTC_ARGCHK(x) if (!(x)) { fprintf(stderr, "\nwarning: ARGCHK failed at %s:%d\n", __FILE__, __LINE__); }
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29 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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31 #elif ARGTYPE == 3
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33 #define LTC_ARGCHK(x)
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34 #define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
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36 #elif ARGTYPE == 4
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38 #define LTC_ARGCHK(x) if (!(x)) return CRYPT_INVALID_ARG;
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39 #define LTC_ARGCHKVD(x) if (!(x)) return;
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41 #endif
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44 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_argchk.h,v $ */
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45 /* $Revision: 1.5 $ */
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46 /* $Date: 2006/08/27 20:50:21 $ */