strncatUsage.md

Pattern: Unsafe use of strncat() usage

Issue: -

Description

At most, strncat() appends the 3rd parameter’s amount of characters and adds a terminating null byte. The safe way to use strncat() is to subtract one from the remaining space in the buffer and use it as 3rd parameter.

Further Reading

• Common Weakness Enumeration (CWE) - 119
• The C++ Resources Network - strncat