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v repl: fix println regression on linux

pull/3354/head
Delyan Angelov 2020-01-05 23:49:09 +02:00 committed by Alexander Medvednikov
parent 8053175ead
commit 4c3df963fa
2 changed files with 23 additions and 21 deletions
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16
vlib/builtin/builtin_nix.v
View File

@ -22,13 +22,15 @@ fn C.puts(charptr)
*/
pub fn println(s string) {
$if linux {
$if !android {
snl := s + '\n'
C.syscall(/* sys_write */ 1, /* stdout_value */ 1, snl.str, s.len+1)
return
}
}
// TODO: a syscall sys_write on linux works, except for the v repl.
// Probably it is a stdio buffering issue. Needs more testing...
// $if linux {
// $if !android {
// snl := s + '\n'
// C.syscall(/* sys_write */ 1, /* stdout_value */ 1, snl.str, s.len+1)
// return
// }
// }
C.printf('%.*s\n', s.len, s.str)
}

26
vlib/os/os_nix.v
View File

@ -71,7 +71,7 @@ pub fn is_dir(path string) bool {
pub fn open(path string) ?File {
mut file := File{}
$if linux_or_macos {
$if linux {
$if !android {
fd := C.syscall(sys_open, path.str, 511)
if fd == -1 {
@ -101,14 +101,14 @@ pub fn create(path string) ?File {
// NB: android/termux/bionic is also a kind of linux,
// but linux syscalls there sometimes fail,
// while the libc version should work.
$if linux_or_macos {
$if linux {
$if !android {
$if macos {
fd = C.syscall(398, path.str, 0x601, 0x1b6)
}
$if linux {
fd = C.syscall(sys_creat, path.str, 511)
}
//$if macos {
// fd = C.syscall(398, path.str, 0x601, 0x1b6)
//}
//$if linux {
fd = C.syscall(sys_creat, path.str, 511)
//}
if fd == -1 {
return error('failed to create file "$path"')
}
@ -139,7 +139,7 @@ pub fn (f mut File) write(s string) {
if !f.opened {
return
}
$if linux_or_macos {
$if linux {
$if !android {
C.syscall(sys_write, f.fd, s.str, s.len)
return
@ -153,7 +153,7 @@ pub fn (f mut File) writeln(s string) {
if !f.opened {
return
}
$if linux_or_macos {
$if linux {
$if !android {
snl := s + '\n'
C.syscall(sys_write, f.fd, snl.str, snl.len)
@ -174,7 +174,7 @@ pub fn mkdir(path string) ?bool {
return true
}
apath := os.realpath(path)
$if linux_or_macos {
$if linux {
$if !android {
ret := C.syscall(sys_mkdir, apath.str, 511)
if ret == -1 {
@ -228,7 +228,7 @@ pub fn symlink(origin, target string) ?bool {
// for example if we have write(7, 4), "07 00 00 00" gets written
// write(0x1234, 2) => "34 12"
pub fn (f mut File) write_bytes(data voidptr, size int) {
$if linux_or_macos {
$if linux {
$if !android {
C.syscall(sys_write, f.fd, data, 1)
return
@ -242,7 +242,7 @@ pub fn (f mut File) close() {
return
}
f.opened = false
$if linux_or_macos {
$if linux {
$if !android {
C.syscall(sys_close, f.fd)
return