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Avoid updating timestamps when the destination is stdout

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Fixes: 9cd6c1ff4d56fc74a2cbdfd9bcc82a64e0fe4bb7
Fixes: https://github.com/facebook/zstd/issues/2997
This commit is contained in:
Mike Gilbert 2022-01-13 16:47:18 -05:00
parent f4a552a3fa
commit 57a86d9ec6
1 changed files with 2 additions and 0 deletions
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2
programs/fileio.c
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@ -1679,6 +1679,7 @@ static int FIO_compressFilename_dstFile(FIO_ctx_t* const fCtx,
if (ress.dstFile == NULL) {
int dstFilePermissions = DEFAULT_FILE_PERMISSIONS;
if ( strcmp (srcFileName, stdinmark)
&& strcmp (dstFileName, stdoutmark)
&& UTIL_stat(srcFileName, &statbuf)
&& UTIL_isRegularFileStat(&statbuf) ) {
dstFilePermissions = statbuf.st_mode;
@ -2634,6 +2635,7 @@ static int FIO_decompressDstFile(FIO_ctx_t* const fCtx,
if ((ress.dstFile == NULL) && (prefs->testMode==0)) {
int dstFilePermissions = DEFAULT_FILE_PERMISSIONS;
if ( strcmp(srcFileName, stdinmark) /* special case : don't transfer permissions from stdin */
&& strcmp(dstFileName, stdoutmark)
&& UTIL_stat(srcFileName, &statbuf)
&& UTIL_isRegularFileStat(&statbuf) ) {
dstFilePermissions = statbuf.st_mode;