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From: | "Greg Donnells" <gad AT donnesys DOT com> |
Newsgroups: | comp.os.msdos.djgpp |
References: | <3ac02f4b$0$14446$272ea4a1 AT news DOT execpc DOT com> <Um7w6.1128$eX4 DOT 241968 AT typhoon DOT tampabay DOT rr DOT com> <l48w6.369$083 DOT 262866 AT typhoon DOT tampabay DOT rr DOT com> <99t0pm$k1n$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> |
Subject: | Re: Hunting Sigsev Errors |
Lines: | 20 |
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Message-ID: | <O2sw6.2649$083.1329654@typhoon.tampabay.rr.com> |
Date: | Wed, 28 Mar 2001 20:44:30 GMT |
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NNTP-Posting-Date: | Wed, 28 Mar 2001 15:44:30 EST |
Organization: | RoadRunner - TampaBay |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Would declaring the variable as a global (thus moving it's storage allocation to the data segment as opposed to the stack segment) also correct this scenario? > This is, as you suspected, your problem. You've just allocated > ARRAYMAX times 516 bytes, or 516 KB of memory, on the stack. That's > more than the default size of the whole stack, and will, indeed, cause > a solid crash. > > For such large memory blocks, you should never rely on the stack > (i.e. automatic variables) to contain them. Use heap storage instead, > i.e. malloc() and friends. > > -- > Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de) > Even if all the snow were burnt, ashes would remain. >
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