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V2532. MISRA. String literal should not…
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
MISRA errors
AUTOSAR errors
Additional information
Contents

V2532. MISRA. String literal should not be assigned to object unless it has type of pointer to const-qualified char.

Mar 20 2019

This diagnostic rule is based on the software development guidelines developed by MISRA (Motor Industry Software Reliability Association).

The analyzer has detected implicit removal of constness of a string literal. Since any attempt to change a string literal leads to undefined behavior, it should be assigned only to objects of type pointer to const-qualified char.

This rule also applies to wide string literals.

Here is an example of code that will trigger this warning:

char* Foo(void)            
{
  return "Hello, world!";
}

A modified string literal also causes the analyzer to issue the warning:

"first"[1] = 'c';

This diagnostic is classified as:

  • MISRA-C-7.4
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