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do not allow malloc(0)

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This commit is contained in:
Alexander Medvednikov
2019-12-16 21:29:32 +03:00
parent 10718557a2
commit e7856a1afc
3 changed files with 14 additions and 3 deletions
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3
vlib/builtin/string.v
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@ -1126,6 +1126,9 @@ pub fn (s []string) join_lines() string {
// reverse will return a new reversed string.
pub fn (s string) reverse() string {
if s.len == 0 {
return ''
}
mut res := string {
len: s.len
str: malloc(s.len)