Unallocated Memory Reference - Revision history

Arjun Suresh at 13:59, 14 April 2014

2014-04-14T13:59:18Z

2013-12-15T16:30:02Z

2013-12-15T16:29:38Z

2013-12-12T16:59:18Z

2013-12-12T16:59:07Z

2013-12-08T13:42:04Z

2013-12-08T13:41:33Z

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2013-12-08T13:39:21Z

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 </syntaxhighlight>
-===Solution===
+==={{Template:Author|Arjun Suresh|{{arjunweb}} }}===
 <syntaxhighlight lang="c">
 int *a;

@@ Line 20: / Line 20: @@
 <syntaxhighlight lang="c">
 *a = 5;
-</syntaxhighlight> This makes the content of the address pointed to by 'a' 5. But 'a' is not pointing to any valid address (int *a assigns garbage value to 'a') and hence this assignment can cause segmentation fault
+</syntaxhighlight>
 {{Template:FBD}}

@@ Line 22: / Line 22: @@
 </syntaxhighlight> This makes the content of the address pointed to by 'a' 5. But 'a' is not pointing to any valid address (int *a assigns garbage value to 'a') and hence this assignment can cause segmentation fault
+{{Template:FBD}}
 [[Category:Coding Questions]]

← Older revision		Revision as of 16:59, 12 December 2013
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	</syntaxhighlight> This makes the content of the address pointed to by 'a' 5. But 'a' is not pointing to any valid address (int *a assigns garbage value to 'a') and hence this assignment can cause segmentation fault		</syntaxhighlight> This makes the content of the address pointed to by 'a' 5. But 'a' is not pointing to any valid address (int *a assigns garbage value to 'a') and hence this assignment can cause segmentation fault

−	~~{{subst:wikEd}}~~

	{{Template:FB}}		{{Template:FB}}

@@ Line 22: / Line 22: @@
 </syntaxhighlight> This makes the content of the address pointed to by 'a' 5. But 'a' is not pointing to any valid address (int *a assigns garbage value to 'a') and hence this assignment can cause segmentation fault
-<div class="fb-like"  data-layout="standard" data-action="like" data-show-faces="true" data-share="true"></div>
+<disqus/>
 [[Category:Coding Questions]]

@@ Line 16: / Line 16: @@
 int *a;
 </syntaxhighlight>
-This declares a as an integer pointer, meaning a can point to a memory address which contains an int
+This declares a as an integer pointer, meaning 'a' can point to any memory address which contains an int
 <syntaxhighlight lang="c">

← Older revision		Revision as of 13:39, 8 December 2013
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	</syntaxhighlight>		</syntaxhighlight>

−	~~Invalid~~ memory ~~access~~	+	===Solution===
		+	int *a; // This declares a as an integer pointer, meaning a can point to a memory address which contains an int
		+
		+	a = 5; //Makes the content of the address pointed to by a 5. But a is not pointing to any valid address (int a assigns garbage value to a) and hence this assignment can cause segmentation fault