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os: fix v -cflags "-Werror" test vlib/os/

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This commit is contained in:
Delyan Angelov
2021-03-18 19:45:04 +02:00
parent 7222ee476b
commit b7a5fa7fbe
3 changed files with 23 additions and 14 deletions
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5
vlib/os/file.c.v
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@ -315,7 +315,10 @@ pub fn (mut f File) write_str(s string) ? {
if !f.is_opened {
return error('file is closed')
}
f.write(s.bytes()) ?
written := int(C.fwrite(voidptr(s.str), s.len, 1, f.cfile))
if written == 0 && s.len != 0 {
return error('0 bytes written')
}
}
// read_struct reads a single struct of type `T`