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cmd/cgo: close the file opened in the dynimport function

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Signed-off-by: guoguangwu <guoguangwug@gmail.com>
This commit is contained in:
guoguangwu 2024-03-28 09:18:28 +08:00
parent 50dcffb384
commit a8af7b5e67
1 changed files with 10 additions and 0 deletions
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10
src/cmd/cgo/out.go
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@ -335,12 +335,19 @@ func dynimport(obj string) {
if err != nil {
fatalf("%s", err)
}
defer func() {
if err = f.Close(); err != nil {
fatalf("error closing %s: %v", *dynout, err)
}
}()
stdout = f
}
fmt.Fprintf(stdout, "package %s\n", *dynpackage)
if f, err := elf.Open(obj); err == nil {
defer f.Close()
if *dynlinker {
// Emit the cgo_dynamic_linker line.
if sec := f.Section(".interp"); sec != nil {
@ -368,6 +375,7 @@ func dynimport(obj string) {
}
if f, err := macho.Open(obj); err == nil {
defer f.Close()
sym, _ := f.ImportedSymbols()
for _, s := range sym {
if len(s) > 0 && s[0] == '_' {
@ -384,6 +392,7 @@ func dynimport(obj string) {
}
if f, err := pe.Open(obj); err == nil {
defer f.Close()
sym, _ := f.ImportedSymbols()
for _, s := range sym {
ss := strings.Split(s, ":")
@ -396,6 +405,7 @@ func dynimport(obj string) {
}
if f, err := xcoff.Open(obj); err == nil {
defer f.Close()
sym, err := f.ImportedSymbols()
if err != nil {
fatalf("cannot load imported symbols from XCOFF file %s: %v", obj, err)