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POCore dump when trying to access a pointer to a structure passed to a function in solaris
 

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  1. POCore dump when trying to access a pointer to a structure passed to a function in solaris
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    <p>I have a quite complicated code in that is working fine on AIX but core dumping in Solaris. I tried to make it as simplified as possible.</p> <p>Below is a global structrue having a pointer to a function</p> <pre><code> custom_struct_1 my_struct1 = { intValue1, intValue2, intValue3, func3 }; </code></pre> <p>This is a second structure having a pointer to the first one as a field</p> <pre><code> custom_struct_2 my_struct2 = { intValue1, intValue2, &amp;my_struct1 }; </code></pre> <p>below is the flow</p> <pre><code>func1(){ custom_struct *my_dumping_struct; memset(my_struct, 0, sizeof(my_struct); func2(my_dumping_struct, &amp;my_struct2); } func2(custom_struct *my_dumping_struct, custom_struct_2 *my_struct2 ){ custom_struct1 *my_cust1; // Some conditions go here my_cust1 = &amp;my_struct2-&gt;custom_struct_1; my_cust1-&gt;struct_func(my_dumping_struct); } func3(custom_struct *my_dumping_struct) { // Here when trying to access any field of the passed structure // a core dump is occuring if(my_dumping_struct-&gt;intValue1 == 0) { .... } } </code></pre> <p>I appreciate any help. It is driving me crazy. I tried multipile things like defining the dumping structure without a pointer at first, using </p> <pre><code> memset(&amp;my_dumping_structre, 0, sizeof(my_dumping_struct)) </code></pre> <p>and passing it with a reference to the other functions it still core dumps.</p> <p><em>EDIT</em></p> <p>Definition of the structures are as below:</p> <pre><code> struct custom_struct { int intValue1; int intValue2; }; struct custom_struct_1 { int intValue1; int intValue2; int intValue3; int (*struct_func)(custom_struct *my_struct); }; struct custom_struct_2 { int intValue1; int intValue2; struct custom_struct_1 *my_struct; }; </code></pre> <p>Thanks</p>
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    1. COSince you posted almost everything else, I don't suppose you could post the definitions of `custom_struct_1`, `custom_struct_2`, and `custom_struct` ?? *In the question please; **not** as a comment*. While you're at it, code that *compiles* would be a nice touch. As-written `func1()` has two undefined variables and uses undeclared types. `func2()` and `func3()` are no better off. An [SSCCE](http://www.sscce.org) would be highly desirable. Don't "tell" us about your code; just *post it*, along with what you're expecting, what your getting, and what you speculate is wrong.
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    2. COI guess you're right, was going to do it :)
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    3. CO@WhozCraig sorry can't share whole code, even if I could it might take ages to pick it up, each structure is defined in a different header file and has a lot more elements than those described.
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