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This noncompliant code example initializes an array of characters using a string literal that defines one more character (counting the terminating '\0') than the array can hold.:

const char s[3] = "abc";

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This approach is preferred because the size of the array can always be derived even if the size of the string literal changes.

Exceptions

STR36-EX0EX1: If the intention is to create a character array and not a null-terminated byte string, initializing to fit exactly without a null byte is allowed but not recommended. The preferred approach to create an array containing just the three characters 'a', 'b', and 'c', for example, is to declare each character literal as a separate element as follows:

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