Re: __attribute__((warn_unused_result)) for NetBSD?

[Aleksey Cheusov <cheusov%tut.by@localhost>]

> Today while trying to bootstrap pkgsrc under ALT Linux I've found that
> several functions such as fwrite, write, chdir and probably others
> are declared with __attribute__((warn_unused_result)) attribute.

> This obviously generates useful warning/errors for the key components
> of the system.

> NetBSD Guide says that code cleaness is one of the main goal of
> NetBSD. Due to this I consider that this approach seems reasonable for
> NetBSD too.

> It is interesting to hear/see NetBSD developer's opinions.

More complete list of "protected" functions in glibc-2.7:

a64l
abs
asprintf
atof
atoi
atol
atoll
brk
bsearch
calloc
canonicalize_file_name
chdir
chown
daemon
div
dup
dup2
ecvt
faccessat
fchdir
fchmodat
fchownat
fcvt
fdopen
feof
ferror
fgets
fgetws
fileno
fmemopen
fopen
fread
freopen
fscanf
ftell
ftello
ftruncate
ftrylockfile
fwrite
gcvt
getcwd
getdelim
getdomainname
getenv
getgroups
getline
gets
getsubopt
getwd
l64a
lchown
ldiv
link
linkat
llabs
lldiv
lockf
malloc
mblen
mbtowc
memalign
mkdtemp
mkostemp
mkstemp
mktemp
nice
pipe
popen
posix_memalign
posix_openpt
pread
ptsname
pvalloc
pwrite
qecvt
qfcvt
qgcvt
read
readlink
realpath
revoke
rpmatch
scanf
setdomainname
sethostid
sethostname
sscanf
strtod
strtod_l
strtof
strtof_l
strtoimax
strtol
strtol_l
strtold
strtold_l
strtoll
strtoll_l
strtoq
strtoul
strtoul_l
strtoull
strtoull_l
strtouq
symlink
symlinkat
system
tempnam
tmpfile
tmpnam
tmpnam_r
truncate
ttyname_r
valloc
vasprintf
vfscanf
vscanf
vsscanf
wcrtomb
wcstoimax
wcstol
wctomb
write

-- 
Best regards, Aleksey Cheusov.