fd = open ("scribble.dat", O_RDWR | O_CREAT | O_TRUNC,
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH );
if (fd < 0) {
perror ("Couldn't open output file");
exit (-1);
}
ptr = start = mmap (0, flen, PROT_WRITE, MAP_PRIVATE, fd, 0);
if ((long)ptr == -1) {
perror ("couldn't mmap output file");
exit (-1);
}
you're mmap'ing a zero length file, use ftruncate or something before
you map it.
--cw
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This archive was generated by hypermail 2b29 : Sun Jul 23 2000 - 21:00:19 EST