StackOverflow Questions for Tag: memcmp

tarabyte

Reputation: 19202

How to efficiently compare a block of memory to a single byte?

cmemcmp

Score: 5

Answers: 10

Jason S

Reputation: 189866

equivalent of memcmp() in Java?

javamemcmp

Score: 11

Answers: 7

Arjo

Reputation: 25

Using memcmp() to compare signed bytes

cstringcomparisonbit-manipulationmemcmp

Score: 0

Answers: 2

AvidCoder

Reputation: 533

Efficiently check for equality of memory blocks in C/C++

c++comparisonequalitymemcmp

Score: 1

Answers: 2

AvidCoder

Reputation: 533

The return value of memcmp suddenly changed

c++googletestmemcmp

Score: 0

Answers: 1

flogram_dev

Reputation: 42888

If memcmp is equivalent to by-member equality comparisons, should you prefer implementing operator== using memcmp?

c++operator-overloadingcomparison-operatorsmemcmpequality-operator

Score: 24

Answers: 7

Jon Purdy

Reputation: 55069

Is it safe to implement operator== and operator< using std::memcmp?

c++operator-overloadingoperatorscomparison-operatorsmemcmp

Score: 13

Answers: 6

sharptooth

Reputation: 170549

How do I write a reliable content-independent implementation of memcmp()?

csecuritycompiler-optimizationmemcmptiming-attack

Score: 6

Answers: 1

kingsjester

Reputation: 308

Practical advantages of std::copy, std::equal, std::fill over memcpy, memset, memcmp

c++memcpymemsetmemcmp

Score: 0

Answers: 3

Eric

Reputation: 83

using memcmp for image matching?

crgbbmpmemcmp

Score: 0

Answers: 0

Fernando Loula

Reputation: 39

Understanding the return from memcmp

cmemcmp

Score: -3

Answers: 3

0255 Ajinkya Giri

Reputation: 19

What exactly does memcmp return?

cmemcmp

Score: 1

Answers: 4

Ammar Faizi

Reputation: 1459

What prevents the compiler from optimizing a hand written memcmp()?

cassemblyoptimizationx86-64memcmp

Score: 5

Answers: 3

Ryan Haining

Reputation: 36882

Can std::memcmp read any bytes past the first difference?

c++memcmp

Score: 10

Answers: 1

user3899508

Reputation: 35

Same endian machines but different outputs

memcmp

Score: 0

Answers: 0

user21009021

Reputation:

C++17 std::byte produces less optimized code with the standard algorithms in GCC

c++gccx86-64memcmpstd-byte

Score: 5

Answers: 1

foreverska

Reputation: 585

Merit of signed comparison return of memcmp

cmemcmp

Score: 0

Answers: 1

Geetha Anjali

Reputation: 13

How the memcmp on structure with integer variable in c lang compares. Result is not as expected

cintegercomparisonmemcmp

Score: 1

Answers: 2

zhxf7481

Reputation: 11

Are there other C standard library functions like memcmp that have timing side-channel risk?

cmemcmpc-standard-librarytiming-attackside-channel-attacks

Score: 1

Answers: 1

Gert Kommer

Reputation: 1243

memcmp difference between gcc 10.3 and gcc 11.1 for char16_t

gccmemcmpchar16-t

Score: 0

Answers: 0

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StackOverflow Questions for Tag: memcmp

How to efficiently compare a block of memory to a single byte?

equivalent of memcmp() in Java?

Using memcmp() to compare signed bytes

Efficiently check for equality of memory blocks in C/C++

The return value of memcmp suddenly changed

If memcmp is equivalent to by-member equality comparisons, should you prefer implementing operator== using memcmp?

Is it safe to implement operator== and operator&lt; using std::memcmp?

How do I write a reliable content-independent implementation of memcmp()?

Practical advantages of std::copy, std::equal, std::fill over memcpy, memset, memcmp

using memcmp for image matching?

Understanding the return from memcmp

What exactly does memcmp return?

What prevents the compiler from optimizing a hand written memcmp()?

Can std::memcmp read any bytes past the first difference?

Same endian machines but different outputs

C++17 std::byte produces less optimized code with the standard algorithms in GCC

Merit of signed comparison return of memcmp

How the memcmp on structure with integer variable in c lang compares. Result is not as expected

Are there other C standard library functions like memcmp that have timing side-channel risk?

memcmp difference between gcc 10.3 and gcc 11.1 for char16_t

Is it safe to implement operator== and operator< using std::memcmp?