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Subject: | Re: My arrays in C are too large |
To: | cygwin AT cygwin DOT com |
References: | <CY4PR1101MB2133F5567FF267C1DADD000681B30 AT CY4PR1101MB2133 DOT namprd11 DOT prod DOT outlook DOT com> |
From: | Eliot Moss <moss AT cs DOT umass DOT edu> |
Message-ID: | <93c59d26-82dc-8945-045e-6c0bb1f6b0e9@cs.umass.edu> |
Date: | Fri, 13 Sep 2019 07:37:15 -0400 |
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On 9/13/2019 7:04 AM, Blair, Charles E III wrote: > I have been using on other machines a program that includes > > char *a[50][8192]; > > but this declaration, by itself, gives "segmentation" errors. > > [8192 is BUFSIZ on other machines, although it seems to be 1024 here. > The program uses 50 different permutations on strings of size BUFSIZ.] It's surprising to me, since that is 50 * 8192 = 400K char * pointers, which is likely 1600K bytes (assuming a 32-bit machine). Not tiny, but well within the scope of modern machines. The strings themselves are what will take a lot of space, unless a lot of the pointers are NULL or something. There would seem to be something else going on. Can you reduce this to the smallest failing example? Regards - EM -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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