Add LTC_TMPVAR() macro
Use unique names for variables declared in macros. Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>
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Steffen Jaeckel
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a27da4aa22
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1bfb07a0c8
@ -1,6 +1,11 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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#define LTC_TMPVAR__(n, l) n ## l
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#define LTC_TMPVAR_(n, l) LTC_TMPVAR__(n, l)
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#define LTC_TMPVAR(n) LTC_TMPVAR_(LTC_ ## n ## _, __LINE__)
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/* ---- HELPER MACROS ---- */
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#ifdef ENDIAN_NEUTRAL
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@ -275,20 +280,20 @@ static inline ulong32 ROR(ulong32 word, int i)
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#ifndef LTC_NO_ROLC
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#define ROLc(word,i) ({ \
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ulong32 ROLc_tmp = (word); \
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ulong32 LTC_TMPVAR(ROLc) = (word); \
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__asm__ ("roll %2, %0" : \
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"=r" (ROLc_tmp) : \
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"0" (ROLc_tmp), \
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"=r" (LTC_TMPVAR(ROLc)) : \
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"0" (LTC_TMPVAR(ROLc)), \
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"I" (i)); \
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ROLc_tmp; \
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LTC_TMPVAR(ROLc); \
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})
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#define RORc(word,i) ({ \
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ulong32 RORc_tmp = (word); \
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ulong32 LTC_TMPVAR(RORc) = (word); \
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__asm__ ("rorl %2, %0" : \
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"=r" (RORc_tmp) : \
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"0" (RORc_tmp), \
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"=r" (LTC_TMPVAR(RORc)) : \
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"0" (LTC_TMPVAR(RORc)), \
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"I" (i)); \
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RORc_tmp; \
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LTC_TMPVAR(RORc); \
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})
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#else
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@ -393,20 +398,20 @@ static inline ulong64 ROR64(ulong64 word, int i)
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#ifndef LTC_NO_ROLC
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#define ROL64c(word,i) ({ \
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ulong64 ROL64c_tmp = word; \
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ulong64 LTC_TMPVAR(ROL64c) = word; \
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__asm__ ("rolq %2, %0" : \
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"=r" (ROL64c_tmp) : \
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"0" (ROL64c_tmp), \
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"=r" (LTC_TMPVAR(ROL64c)) : \
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"0" (LTC_TMPVAR(ROL64c)), \
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"J" (i)); \
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ROL64c_tmp; \
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LTC_TMPVAR(ROL64c); \
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})
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#define ROR64c(word,i) ({ \
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ulong64 ROR64c_tmp = word; \
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ulong64 LTC_TMPVAR(ROR64c) = word; \
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__asm__ ("rorq %2, %0" : \
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"=r" (ROR64c_tmp) : \
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"0" (ROR64c_tmp), \
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"=r" (LTC_TMPVAR(ROR64c)) : \
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"0" (LTC_TMPVAR(ROR64c)), \
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"J" (i)); \
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ROR64c_tmp; \
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LTC_TMPVAR(ROR64c); \
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})
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#else /* LTC_NO_ROLC */
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@ -548,43 +548,43 @@ typedef struct ltc_asn1_list_ {
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struct ltc_asn1_list_ *prev, *next, *child, *parent;
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} ltc_asn1_list;
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#define LTC_SET_ASN1(list, index, Type, Data, Size) \
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do { \
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int LTC_MACRO_temp = (index); \
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ltc_asn1_list *LTC_MACRO_list = (list); \
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LTC_MACRO_list[LTC_MACRO_temp].type = (Type); \
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LTC_MACRO_list[LTC_MACRO_temp].data = (void*)(Data); \
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LTC_MACRO_list[LTC_MACRO_temp].size = (Size); \
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LTC_MACRO_list[LTC_MACRO_temp].used = 0; \
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LTC_MACRO_list[LTC_MACRO_temp].optional = 0; \
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LTC_MACRO_list[LTC_MACRO_temp].klass = 0; \
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LTC_MACRO_list[LTC_MACRO_temp].pc = 0; \
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LTC_MACRO_list[LTC_MACRO_temp].tag = 0; \
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#define LTC_SET_ASN1(list, index, Type, Data, Size) \
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do { \
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int LTC_TMPVAR(SA) = (index); \
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ltc_asn1_list *LTC_TMPVAR(SA_list) = (list); \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].type = (Type); \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].data = (void*)(Data); \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].size = (Size); \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].used = 0; \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].optional = 0; \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].klass = 0; \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].pc = 0; \
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LTC_TMPVAR(SA_list)[LTC_TMPVAR(SA)].tag = 0; \
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} while (0)
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#define LTC_SET_ASN1_IDENTIFIER(list, index, Class, Pc, Tag) \
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do { \
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int LTC_MACRO_temp = (index); \
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ltc_asn1_list *LTC_MACRO_list = (list); \
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LTC_MACRO_list[LTC_MACRO_temp].type = LTC_ASN1_CUSTOM_TYPE; \
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LTC_MACRO_list[LTC_MACRO_temp].klass = (Class); \
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LTC_MACRO_list[LTC_MACRO_temp].pc = (Pc); \
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LTC_MACRO_list[LTC_MACRO_temp].tag = (Tag); \
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#define LTC_SET_ASN1_IDENTIFIER(list, index, Class, Pc, Tag) \
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do { \
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int LTC_TMPVAR(SAI) = (index); \
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ltc_asn1_list *LTC_TMPVAR(SAI_list) = (list); \
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LTC_TMPVAR(SAI_list)[LTC_TMPVAR(SAI)].type = LTC_ASN1_CUSTOM_TYPE; \
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LTC_TMPVAR(SAI_list)[LTC_TMPVAR(SAI)].klass = (Class); \
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LTC_TMPVAR(SAI_list)[LTC_TMPVAR(SAI)].pc = (Pc); \
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LTC_TMPVAR(SAI_list)[LTC_TMPVAR(SAI)].tag = (Tag); \
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} while (0)
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#define LTC_SET_ASN1_CUSTOM_CONSTRUCTED(list, index, Class, Tag, Data) \
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do { \
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int LTC_MACRO_temp##__LINE__ = (index); \
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LTC_SET_ASN1(list, LTC_MACRO_temp##__LINE__, LTC_ASN1_CUSTOM_TYPE, Data, 1); \
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LTC_SET_ASN1_IDENTIFIER(list, LTC_MACRO_temp##__LINE__, Class, LTC_ASN1_PC_CONSTRUCTED, Tag); \
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#define LTC_SET_ASN1_CUSTOM_CONSTRUCTED(list, index, Class, Tag, Data) \
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do { \
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int LTC_TMPVAR(SACC) = (index); \
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LTC_SET_ASN1(list, LTC_TMPVAR(SACC), LTC_ASN1_CUSTOM_TYPE, Data, 1); \
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LTC_SET_ASN1_IDENTIFIER(list, LTC_TMPVAR(SACC), Class, LTC_ASN1_PC_CONSTRUCTED, Tag); \
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} while (0)
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#define LTC_SET_ASN1_CUSTOM_PRIMITIVE(list, index, Class, Tag, Type, Data, Size) \
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do { \
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int LTC_MACRO_temp##__LINE__ = (index); \
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LTC_SET_ASN1(list, LTC_MACRO_temp##__LINE__, LTC_ASN1_CUSTOM_TYPE, Data, Size); \
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LTC_SET_ASN1_IDENTIFIER(list, LTC_MACRO_temp##__LINE__, Class, LTC_ASN1_PC_PRIMITIVE, Tag); \
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list[LTC_MACRO_temp##__LINE__].used = (int)(Type); \
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#define LTC_SET_ASN1_CUSTOM_PRIMITIVE(list, index, Class, Tag, Type, Data, Size) \
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do { \
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int LTC_TMPVAR(SACP) = (index); \
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LTC_SET_ASN1(list, LTC_TMPVAR(SACP), LTC_ASN1_CUSTOM_TYPE, Data, Size); \
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LTC_SET_ASN1_IDENTIFIER(list, LTC_TMPVAR(SACP), Class, LTC_ASN1_PC_PRIMITIVE, Tag); \
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list[LTC_TMPVAR(SACP)].used = (int)(Type); \
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} while (0)
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extern const char* der_asn1_class_to_string_map[];
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