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|    comp.lang.c    |    Meh, in C you gotta define EVERYTHING    |    243,242 messages    |
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|    Message 242,752 of 243,242    |
|    Paul J. Lucas to highcrew    |
|    Re: On Undefined Behavior    |
|    03 Jan 26 17:10:22    |
   
   From: paul@lucasmail.org   
      
   On 1/1/26 1:54 PM, highcrew wrote:   
      
   > For the lazy, I report it here:   
   >   
   > int table[4] = {0};   
   > int exists_in_table(int v)   
   > {   
   > // return true in one of the first 4 iterations   
   > // or UB due to out-of-bounds access   
   > for (int i = 0; i <= 4; i++) {   
   > if (table[i] == v) return 1;   
   > }   
   > return 0;   
   > }   
      
   This particular example is explained is several places, e.g.:   
      
   https://devblogs.microsoft.com/oldnewthing/20140627-00/?p=633   
      
   Perhaps a slightly better explanation of the same example:   
      
   https://medium.com/@pauljlucas/undefined-behavior-in-c-and-c-f30844f20e2a   
      
   - Paul   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   
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