ckolivas/lrzip
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Preserve the compressed time on decompression where suitable.

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Con Kolivas 2012-03-08 00:15:58 +11:00
parent cea59cd568
commit 30bfe06f1a
1 changed files with 20 additions and 1 deletions
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21
lrzip.c
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@ -46,6 +46,7 @@
# include <arpa/inet.h>
#endif
#include <math.h>
#include <utime.h>
#include "md5.h"
#include "rzip.h"
@ -265,7 +266,7 @@ bool read_magic(rzip_control *control, int fd_in, i64 *expected_size)
}
/* preserve ownership and permissions where possible */
bool preserve_perms(rzip_control *control, int fd_in, int fd_out)
static bool preserve_perms(rzip_control *control, int fd_in, int fd_out)
{
struct stat st;
@ -280,6 +281,21 @@ bool preserve_perms(rzip_control *control, int fd_in, int fd_out)
return true;
}
static bool preserve_times(rzip_control *control, int fd_in)
{
struct utimbuf times;
struct stat st;
if (unlikely(fstat(fd_in, &st)))
fatal_return(("Failed to fstat input file\n"), false);
times.actime = 0;
times.modtime = st.st_mtime;
if (unlikely(utime(control->outfile, &times)))
print_verbose("Warning, unable to set time on %s\n", control->outfile);
return true;
}
/* Open a temporary outputfile to emulate stdout */
int open_tmpoutfile(rzip_control *control)
{
@ -789,6 +805,9 @@ bool decompress_file(rzip_control *control)
if (unlikely(close(fd_hist) || close(fd_out)))
fatal_return(("Failed to close files\n"), false);
if (unlikely(!STDIN && !STDOUT && !TEST_ONLY && !preserve_times(control, fd_in)))
return false;
close(fd_in);
if (!KEEP_FILES) {