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Home/ Questions/Q 6529183
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T09:36:23+00:00 2026-05-25T09:36:23+00:00

if(stat(seek.pc.db, &files) ==0 ) sizes=files.st_size; sizes=sizes/sizeof(int); int s[sizes]; I am compiling this in Visual

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if(stat("seek.pc.db", &files) ==0 )
     sizes=files.st_size;

sizes=sizes/sizeof(int);
int s[sizes];

I am compiling this in Visual Studio 2008 and I am getting the following error:
error C2057: expected constant expression
error C2466: cannot allocate an array of constant size 0.

I tried using vector s[sizes] but of no avail. What am I doing wrong?

Thanks!

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  1. Editorial Team
    Editorial Team
    2026-05-25T09:36:23+00:00Added an answer on May 25, 2026 at 9:36 am

    The sizes of array variables in C must be known at compile time. If you know it only at run time you will have to malloc some memory yourself instead.

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