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bug#32943: grep pattern < fifo fails on Cygwin (and MinGW), but not on L
bug#32943: grep pattern < fifo fails on Cygwin (and MinGW), but not on Linux
Mon, 8 Oct 2018 08:49:24 -0700
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0
On 10/8/18 12:35 AM, Houder wrote:
grep terminates with an error on Cygwin because lseek() on Cygwin
ascertain that it is applied to a FIFO.
That sounds like a bug in Cygwin, then. Can you find out exactly why it
occurs, by using GDB within Cygwin? Then you can file a bug report with
the Cygwin folks.
Possibly the bug is something like the following: grep calls lseek (fd,
0, SEEK_CUR). The Cygwin lseek implementation asks MS-Windows what the
file offset is, gets an error because the file descriptor is that of a
pipe, and somehow turns that into EINVAL. Cygwin should turn it into