ddidderr/zstd-rs
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preserve file modification time

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This commit is contained in:
Przemyslaw Skibinski
2016-11-02 13:08:39 +01:00
parent d872b64f52
commit a42794df61
1 changed files with 9 additions and 1 deletions
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programs/fileio.c
+8
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@@ -388,14 +388,17 @@ static int FIO_compressFilename_dstFile(cRess_t ress,
const char* dstFileName, const char* srcFileName) const char* dstFileName, const char* srcFileName)
{ {
int result; int result;
time_t modtime = 0;
ress.dstFile = FIO_openDstFile(dstFileName); ress.dstFile = FIO_openDstFile(dstFileName);
if (ress.dstFile==NULL) return 1; /* could not open dstFileName */ if (ress.dstFile==NULL) return 1; /* could not open dstFileName */
if (strcmp (srcFileName, stdinmark)) modtime = UTIL_getModificationTime(srcFileName);
result = FIO_compressFilename_srcFile(ress, dstFileName, srcFileName); result = FIO_compressFilename_srcFile(ress, dstFileName, srcFileName);
if (fclose(ress.dstFile)) { DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); result=1; } /* error closing dstFile */ if (fclose(ress.dstFile)) { DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); result=1; } /* error closing dstFile */
if (result!=0) { if (remove(dstFileName)) EXM_THROW(1, "zstd: %s: %s", dstFileName, strerror(errno)); } /* remove operation artefact */ if (result!=0) { if (remove(dstFileName)) EXM_THROW(1, "zstd: %s: %s", dstFileName, strerror(errno)); } /* remove operation artefact */
else if (strcmp (dstFileName, stdoutmark)) UTIL_setModificationTime(dstFileName, modtime);
return result; return result;
} }
@@ -720,16 +723,21 @@ static int FIO_decompressDstFile(dRess_t ress,
const char* dstFileName, const char* srcFileName) const char* dstFileName, const char* srcFileName)
{ {
int result; int result;
time_t modtime = 0;
ress.dstFile = FIO_openDstFile(dstFileName); ress.dstFile = FIO_openDstFile(dstFileName);
if (ress.dstFile==0) return 1; if (ress.dstFile==0) return 1;
if (strcmp (srcFileName, stdinmark)) modtime = UTIL_getModificationTime(srcFileName);
result = FIO_decompressSrcFile(ress, srcFileName); result = FIO_decompressSrcFile(ress, srcFileName);
if (fclose(ress.dstFile)) EXM_THROW(38, "Write error : cannot properly close %s", dstFileName); if (fclose(ress.dstFile)) EXM_THROW(38, "Write error : cannot properly close %s", dstFileName);
if ( (result != 0) if ( (result != 0)
&& strcmp(dstFileName, nulmark) /* special case : don't remove() /dev/null (#316) */ && strcmp(dstFileName, nulmark) /* special case : don't remove() /dev/null (#316) */
&& remove(dstFileName) ) && remove(dstFileName) )
result=1; /* don't do anything special if remove() fails */ result=1; /* don't do anything special if remove() fails */
else if (strcmp (dstFileName, stdoutmark)) UTIL_setModificationTime(dstFileName, modtime);
return result; return result;
} }