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Fixed buf on hostname and added optional type. 

Before submitting this PR, submit https://github.com/vlang/v/pull/1188
pull/1196/head
0x9ef 2019-07-16 21:29:17 +03:00 committed by Alexander Medvednikov
parent 91a712fdf0
commit 8ef3313d63
1 changed files with 9 additions and 5 deletions
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14
vlib/os/os.v
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@ -484,11 +484,15 @@ pub fn user_os() string {
} }
// hostname returns hostname // hostname returns hostname
pub fn hostname() string { pub fn hostname() ?string {
mut hname := [1024]byte mut hname := [256]byte
hname[1023] = `\0` // https://www.ietf.org/rfc/rfc1035.txt
C.gethostname(&hname, 1023) // The host name is returned as a null-terminated string.
return tos_clone(hname) res := C.gethostname(&hname, 256)
if res != 0 {
return error('os: hostname cannot get host name of PC.')
}
return tos_clone(hname)
} }
// home_dir returns path to user's home directory. // home_dir returns path to user's home directory.