github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-07-16 10:03:04 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

some more stats

Browse source
This commit is contained in:
iceman1001 2020-10-16 07:49:51 +02:00
parent d4e6a5b7a6
commit ffffa77dd9
3 changed files with 88 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

37
client/src/util.c
View file

@ -895,3 +895,40 @@ int hexstring_to_u96(uint32_t *hi2, uint32_t *hi, uint32_t *lo, const char *str)
}
return i - 1;
}
inline uint32_t bitcount32(uint32_t a) {
#if defined __GNUC__
return __builtin_popcountl(a);
#else
a = a - ((a >> 1) & 0x55555555);
a = (a & 0x33333333) + ((a >> 2) & 0x33333333);
return (((a + (a >> 4)) & 0x0f0f0f0f) * 0x01010101) >> 24;
#endif
}
inline uint64_t bitcount64(uint64_t a) {
#if defined __GNUC__
return __builtin_popcountll(a);
#else
PrintAndLogEx(FAILED, "Was not compiled with fct bitcount64");
return 0;
#endif
}
inline uint32_t leadingzeros32(uint32_t a) {
#if defined __GNUC__
return __builtin_clzl(a);
#else
PrintAndLogEx(FAILED, "Was not compiled with fct bitcount64");
return 0;
#endif
}
inline uint64_t leadingzeros64(uint64_t a) {
#if defined __GNUC__
return __builtin_clzll(a);
#else
PrintAndLogEx(FAILED, "Was not compiled with fct bitcount64");
return 0;
#endif
}