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[util] Avoid calling fclose(NULL) in zbin.c

Must check that argument to a fclose() is not NULL -- we can get to the
'err' label when file was not opened.  fclose(NULL) is known to produce
core dump on some platforms and we don't want zbin to fail so loudly.

Signed-off-by: Eygene Ryabinkin <rea-fbsd@codelabs.ru>
tags/v0.9.4
Eygene Ryabinkin 16年前
コミット
6de45ad4ae
1個のファイルの変更2行の追加1行の削除
  1. 2
    1
      src/util/zbin.c

+ 2
- 1
src/util/zbin.c ファイルの表示

@@ -90,7 +90,8 @@ static int read_file ( const char *filename, void **buf, size_t *len ) {
90 90
 	return 0;
91 91
 
92 92
  err:
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-	fclose ( file );
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+	if ( file )
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+		fclose ( file );
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 	return -1;
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 }
96 97
 

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