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os, builtin: reduce leaks without -autofree

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This commit is contained in:
Delyan Angelov
2021-10-29 15:49:30 +03:00
parent f801ef5e17
commit b86c79329b
5 changed files with 103 additions and 20 deletions
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6
vlib/os/os_nix.c.v
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@ -257,7 +257,7 @@ pub fn ls(path string) ?[]string {
if path.len == 0 {
return error('ls() expects a folder, not an empty string')
}
mut res := []string{}
mut res := []string{cap: 50}
dir := unsafe { C.opendir(&char(path.str)) }
if isnil(dir) {
return error('ls() couldnt open dir "$path"')
@ -472,6 +472,7 @@ pub fn debugger_present() bool {
fn C.mkstemp(stemplate &byte) int
// `is_writable_folder` - `folder` exists and is writable to the process
[manualfree]
pub fn is_writable_folder(folder string) ?bool {
if !exists(folder) {
return error('`$folder` does not exist')
@ -480,6 +481,9 @@ pub fn is_writable_folder(folder string) ?bool {
return error('`folder` is not a folder')
}
tmp_perm_check := join_path(folder, 'XXXXXX')
defer {
unsafe { tmp_perm_check.free() }
}
unsafe {
x := C.mkstemp(&char(tmp_perm_check.str))
if -1 == x {