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   comp.lang.c      Meh, in C you gotta define EVERYTHING      243,242 messages   

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   Message 242,516 of 243,242   
   Janis Papanagnou to James Kuyper   
   Re: srand(0)   
   22 Dec 25 13:18:19   
   
   From: janis_papanagnou+ng@hotmail.com   
      
   On 2025-12-22 12:44, James Kuyper wrote:   
   > On 2025-12-22 03:48, Michael Sanders wrote:   
   >> Is it incorrect to use 0 (zero) to seed srand()?   
   >>   
   >> int seed = (argc >= 2 && strlen(argv[1]) == 9)   
   >>             ? atoi(argv[1])   
   >>             : (int)(time(NULL) % 900000000 + 100000000);   
   >>   
   >> srand(seed);   
   >   
   > No, why whould you think so?   
      
   There's number sequence generators that produce 0 sequences if seeded   
   with 0. And maybe the comment in 'man 3 rand', "If no seed value is   
   provided, the rand() function is automatically seeded with a value   
   of 1.", may have fostered his doubt.   
      
   Janis   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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