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UB

Description

Example Code

46

Addition or subtraction of a pointer into, or just beyond, an array object and an integer type produces a result that does not point into, or just beyond, the same array object.

Forming Out-of-Bounds PointerARR30-C. Do not form or use out of bounds pointers or array subscripts

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Addition or subtraction of a pointer into, or just beyond, an array object and an integer type produces a result that points just beyond the array object and is used as the operand of a unary * operator that is evaluated.#Dereferencing Past the End Pointer, #Using Past the End Index

ARR30-C. Do not form or use out of bounds pointers or array subscripts, ARR30-C. Do not form or use out of bounds pointers or array subscripts

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An array subscript is out of range, even if an object is apparently accessible with the given subscript (as in the lvalue expression a[1][7] given the declaration int a[4][5]).

#Apparently Accessible Out-of-Range IndexARR30-C. Do not form or use out of bounds pointers or array subscripts

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An attempt is made to access, or generate a pointer to just past, a flexible array member of a structure when the referenced object provides no elements for that array.

#Pointer Past Flexible Array MemberARR30-C. Do not form or use out of bounds pointers or array subscripts

109

The pointer passed to a library function array parameter does not have a value such that all address computations and object accesses are valid.

#Invalid Invalid Access by Library Function

Anchor
#Forming Out-of-Bounds Pointer
#Forming Out-of-Bounds Pointer#Formingoutofboundspointer#Formingoutofboundspointer

Noncompliant Code Example (Forming Out-of-Bounds Pointer)

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