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KernelTrap: Using goto In Kernel Code

Jan 15, 2003, 10:00 (19 Talkback[s])

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"There was a recent discussion on the lkml about the frequent use of 'goto' in Linux kernel code. Drawing perhaps on Edsger Dikjstra's 1968 paper titled 'Go To Statement Considered Harmful,' the argument proposed that using goto will only produce 'spaghetti code.' A more recent proponent of this theory being Niklaus Wirth who developed Pascal circa 1970 and its successor, Modula-2, in 1979.

"In the recent thread on the lkml it is made quite clear that the use of goto in Linux kernel code is well thought out and justified. One such explanation can be found within chapter 2 of O'Reilly's excellent book, Linux Device Drivers. It is further explained in the following thread by a number of kernel developers including Robert Love, Rik van Riel, and Linux creator Linus Torvalds..."

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