James Bailie escribió:
fgetc() returns an int so that EOF may be distinguished from valid
return values. Valid values are 8-bit values. EOF is a 32-bit value.
EOF is a 32-bit two's-complement -1 (0xffffffff), and -1 input is 8-bit
two's-complement -1 (0xff). When fgetc() casts this to an int, it
becomes 0x000000ff, or 255, and thus the two values may be distinguished
from each other.
I haven't looked at your code, but you are probably comparing EOF with
the value returned by fgetc() after it has been cast to a char. EOF is
getting cast to a char implicitly in the comparison, so the comparison
becomes a comparison between 0xff and 0xff. You need to test the int
returned by fgetc() for EOF before assigning it to a char.
Thanks, I've found all the pieces of the puzzle from the three comments
and it works now.
--
Gabor Kovesdan
FreeBSD Volunteer
EMAIL: ga...@freebsd.org .:|:. ga...@kovesdan.org
WEB: http://people.FreeBSD.org/~gabor .:|:. http://kovesdan.org
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