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Re:The Evolution of C Programming Practices: A Study of Unix... by WalterBright on Friday May 11, 2018 @02:56PM (#17049944)
Check the asm code generated by your compiler - it may optimize multiple returns into one.
Re:The Evolution of C Programming Practices: A Study of Unix... by vardump on Friday May 11, 2018 @05:06PM (#17050806)
Not performance or code size I'm concerned, it's mainly about correctness. Stuff like input validation and releasing a spinlock in kernel code.