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From: | "Lars Hansen" <lars DOT o DOT hansen AT gmx DOT de> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: several questions (symify, dynamic labels, cpu clock) |
Date: | Tue, 21 Jan 2003 20:37:15 +0100 |
Organization: | 1&1 Internet AG |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
> > And sometimes I need code just to execute the first time but that code is > > part of code in a function which itself may or may not be called during > > program execution (or other such 1st time only not cases). > > Why not split the "first time called" code out into a separate function and > then call that from multiple places? > > void > foo (void) > { > static int foo_inited = 0; > > if (foo_inited) > return; > > foo_inited++; > ... > } > > void > function_that_may_or_may_not_be_called (void) > { > foo(); > ... > } > > int > main (void) > { > foo(); > ... > } I want to avoid any "if"s. so goto *dynapointer; label1: do_some_stuff; *dynapointer=&&label2; label2: do_normal_stuff but in order to make full use of it I need the address of label1 before I'm there the first time (and it might also be necessary to set dynapointer to label1 again at a later time).
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