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v/checker.v: disallow pointer arithmetic for InfixExpr outside unsafe {} (#5640)

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This commit is contained in:
Nick Treleaven
2020-07-03 17:10:10 +01:00
committed by GitHub
parent a2395ff3e8
commit 0b49e4db1c
13 changed files with 221 additions and 93 deletions
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8
vlib/builtin/utf8.v
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@ -118,7 +118,9 @@ pub fn (_str string) to_wide() &u16 {
mut wstr := &u16(malloc((num_chars + 1) * 2)) // sizeof(wchar_t)
if wstr != 0 {
C.MultiByteToWideChar(cp_utf8, 0, _str.str, _str.len, wstr, num_chars)
C.memset(&byte(wstr) + num_chars * 2, 0, 2)
unsafe {
C.memset(&byte(wstr) + num_chars * 2, 0, 2)
}
}
return wstr
} $else {
@ -141,7 +143,9 @@ pub fn string_from_wide2(_wstr &u16, len int) string {
mut str_to := malloc(num_chars + 1)
if str_to != 0 {
C.WideCharToMultiByte(cp_utf8, 0, _wstr, len, str_to, num_chars, 0, 0)
C.memset(str_to + num_chars, 0, 1)
unsafe {
C.memset(str_to + num_chars, 0, 1)
}
}
return tos2(str_to)
} $else {