i had similiar where i used exec socat for file transfer daemon and client, and sometimes codes of the code or cmds appeared in output, till i removed the exec
On Fri, Jan 22, 2021, 15:15 Chet Ramey <chet.ra...@case.edu> wrote: > On 1/22/21 2:53 AM, Eduardo A. Bustamante López wrote: > > > - Notice that the value returned by `fstat(0, ...)' indicates that > /dev/null in your system is a *regular* file (it should be > `st_mode=S_IFCHR|0666', but instead it is `st_mode=S_IFCHR|0666'). It also > indicates that its size is 73 bytes (`st_size=73'). > > - Notice that `cat' reads from file descriptor 0 (i.e. /dev/null), and > the return value is a string of 73 bytes in length. > > - `cat' then writes that string out to `./config.status' > > > > 73 happens to be the length of the string that has been causing issues > for you: > > > > $ echo "extern void free (void *__ptr) __attribute__ ((__nothrow__ , > __leaf__));" | wc -c > > 73 > > This is a first-class observation. > > -- > ``The lyf so short, the craft so long to lerne.'' - Chaucer > ``Ars longa, vita brevis'' - Hippocrates > Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/ > >
