On the Effectiveness of nonnull: Difference between revisions

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I add [https://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html annotations] to my [[C]] programs pretty religiously, making most frequent use of:

* <tt>const</tt> and <tt>pure</tt> -- facilitate ~~subexpression~~ hoisting and memoization

* <tt>const</tt> and <tt>pure</tt> -- facilitate hoisting and memoization

* <tt>malloc</tt> -- helps aliasing analysis and warning generation

* <tt>warn_unused_result</tt> -- warning generation

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and thus the inevitable "what? oh fuck what is this. no i just assigned to <tt>buf</tt>, you dumbass compiler, it could be <tt>NULL</tt> now, computer piece of shit, oh wait no fuck me in the ass, i assigned to <tt>*buf</tt> and checked <tt>buf</tt> like a witless simpleton asshole, fuck me in the ass twice, awww fuck piece of shit brain, thank you compiler you're a good compiler here's some more page cache, awww look at you chomping those pages you're my only friend, compiler."

'''~~next~~: "[[Four_questions_for_a_Wednesday|four questions for a wednesday]]" 2021-10-13'''

ps i ended up getting rid of the copy when i fixed this, too. w00t! =]

'''previously: "[[Four_questions_for_a_Wednesday|four questions for a wednesday]]" 2021-10-13'''

[[Category:Blog]]

@@ Line 3: / Line 3: @@
 I add [https://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html annotations] to my [[C]] programs pretty religiously, making most frequent use of:
-* <tt>const</tt> and <tt>pure</tt> -- facilitate subexpression hoisting and memoization
+* <tt>const</tt> and <tt>pure</tt> -- facilitate hoisting and memoization
 * <tt>malloc</tt> -- helps aliasing analysis and warning generation
 * <tt>warn_unused_result</tt> -- warning generation
@@ Line 70: / Line 70: @@
 and thus the inevitable "what? oh fuck what is this. no i just assigned to <tt>buf</tt>, you dumbass compiler, it could be <tt>NULL</tt> now, computer piece of shit, oh wait no fuck me in the ass, i assigned to <tt>*buf</tt> and checked <tt>buf</tt> like a witless simpleton asshole, fuck me in the ass twice, awww fuck piece of shit brain, thank you compiler you're a good compiler here's some more page cache, awww look at you chomping those pages you're my only friend, compiler."
-'''next: "[[Four_questions_for_a_Wednesday|four questions for a wednesday]]" 2021-10-13'''
+ps i ended up getting rid of the copy when i fixed this, too. w00t! =]
+'''previously: "[[Four_questions_for_a_Wednesday|four questions for a wednesday]]" 2021-10-13'''
 [[Category:Blog]]

On the Effectiveness of nonnull: Difference between revisions

Dank (talk | contribs)