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From: jim.nutt@p11.f15.n114.z1.fidonet.org (jim nutt)
Newsgroups: comp.lang.c
Subject: Re: How big is the argv[] array?
Message-ID: <1074.2369DAC0@stjhmc.fidonet.org>
Date: 29 Oct 88 02:19:34 GMT
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 ND> In article <660020@hpclscu.HP.COM>, shankar@hpclscu.HP.COM (Shankar 
 ND> Unni) writes:
 ND> >   argv = (char **) realloc (argv, newsize * sizeof (char *))
 ND> >      /* newsize is the size of your expanded argv array */
 ND> 
 ND> What does realloc do when its first argument is a pointer to storage
 ND> that was not obtained by malloc?  Maybe you won't crash until your
 ND> program exits and the shell reads the next command line?

it varies seriously on microcomputer compilers.  borland's turbo c handles it 
least gracefully, with msc a little more friendly...  zortech c waits until 
the program ends to die....  it also depends on the memory model...

jim nutt
'the computer handyman'



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