SEI CERT C Coding Standard

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  • The source and destination pointers are checked to see if they are NULLnull.
  • The maximum length of the destination buffer is checked to see if it is equal to zero, greater than RSIZE_MAX, or less than or equal to the length of the source string.

When a constraint violation is detected, the destination string is set to the NULL null string and the function returns a nonzero value. In the following example, the strcpy_s() function is used to copy src1 to dst1.

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