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os: fix a file descriptor leak in os.read_bytes() (#10723)

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waspoza 2021-07-09 22:49:46 +02:00 committed by GitHub
parent 477d442f18
commit 075e09b10e
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1 changed files with 3 additions and 1 deletions
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4
vlib/os/os_c.v
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@ -71,6 +71,9 @@ struct C.dirent {
[manualfree] [manualfree]
pub fn read_bytes(path string) ?[]byte { pub fn read_bytes(path string) ?[]byte {
mut fp := vfopen(path, 'rb') ? mut fp := vfopen(path, 'rb') ?
defer {
C.fclose(fp)
}
cseek := C.fseek(fp, 0, C.SEEK_END) cseek := C.fseek(fp, 0, C.SEEK_END)
if cseek != 0 { if cseek != 0 {
return error('fseek failed') return error('fseek failed')
@ -85,7 +88,6 @@ pub fn read_bytes(path string) ?[]byte {
if nr_read_elements == 0 && fsize > 0 { if nr_read_elements == 0 && fsize > 0 {
return error('fread failed') return error('fread failed')
} }
C.fclose(fp)
res.trim(nr_read_elements * fsize) res.trim(nr_read_elements * fsize)
return res return res
} }