Re: fseek on stdin fails?
On Wed, Apr 05, 2000 at 12:49:58AM +0200, Micha Feigin wrote:
> I tried to do a fseek(stdin , 0 , SEEK_END ) under linux. On windows
> and solaris this commands cleans the input stream. Under linux I get
> an error message ilegal seek. Any ideas?
>
while(! feof(stdin)) { fgetc(stdin); }
It seems wrong to do a seek on stdin since the "file" size isn't known
in advance. Maybe an expert can clear this up (or look up the C FAQ on
comp.lang.c).
Also, for security reasons, I'd only ever use fgets or fgetc to read
stdin or any other untrusted "file".
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| Eric G. Miller egm2@jps.net |
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