[fpc-pascal]popen problems...

[Martyn Ranyard]

At 02:35 PM 8/14/02 +0100, I wrote:
>   I am writing a menu program in FPC, gpl'd so I'm asking here for 
> comments, as I don't quite understand why my calls are no longer working.

I am attaching the tail end of a strace command, because I don't understand 
it very well.  Is there some reason why read is creating an invalid seek?

pipe([3, 4])                            = 0
fork()                                  = 7669
close(4)                                = 0
fstat(3, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
lseek(3, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
write(1, "An unhandled exception occurred "..., 48An unhandled exception 
occurred at 0x08069D5F :
) = 48
write(1, "Unknown Run-Time error : 029\n", 29Unknown Run-Time error : 029
) = 29
write(1, "  0x08069D5F\n", 13  0x08069D5F
)          = 13
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
write(1, "  0x08074E0F\n", 13  0x08074E0F
)          = 13
write(1, "  0x080480B0\n", 13  0x080480B0
)          = 13
write(1, "\n", 1
)                       = 1
_exit(217)

I hope someone can kindly enlighten me.


Martyn Ranyard
Free Software Advocate

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