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Can detect violations of this rule. In particular, it ensures that the result of getenv() is stored in a const variable

C1492, C1493, C1494, C4751, C4752, C4753

C++4751, C++4752, C++4753

MISRA.STDLIB.CTYPE.RANGE.2012_AMD1
MISRA.STDLIB.ILLEGAL_REUSE.2012_AMD1
MISRA.STDLIB.ILLEGAL_WRITE.2012_AMD1

CERT_C-ENV30-a

The pointers returned by the Standard Library functions 'localeconv', 'getenv', 'setlocale' or, 'strerror' shall only be used as if they have pointer to const-qualified type

CERT C: Rule ENV30-C

Checks for modification of internal buffer returned from nonreentrant standard function (rule fully covered)