Preserve timestamps on copy

1 files changed, 19 insertions, 0 deletions

diff --git a/gallery-utils.c b/gallery-utils.c
index 9253f51..a11273b 100644
--- a/gallery-utils.c
+++ b/gallery-utils.c
@@ -19,6 +19,10 @@
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <utime.h>
 
 #include "gallery-utils.h"
 
@@ -115,6 +119,8 @@ copy_file (const char *src, const char *dst)
   FILE *fout;
   void *buffer;
   int size_r;
+  struct stat st;
+  struct utimbuf ut;
 
   fin = fopen (src, "r");
   if (fin == NULL) {
@@ -142,6 +148,19 @@ copy_file (const char *src, const char *dst)
   fclose (fin);
   free (buffer);
 
+  /*  copy timestamps  */
+  memset (&st, 0, sizeof (st));
+  if (stat (src, &st) == -1) {
+    fprintf (stderr, "copy_file: cannot stat source file \"%s\": %s\n", src, strerror (errno));
+    return TRUE;
+  }
+
+  memset (&ut, 0, sizeof (ut));
+  ut.actime = st.st_atime;
+  ut.modtime = st.st_mtime;
+  if (utime (dst, &ut) == -1)
+    fprintf (stderr, "copy_file: cannot set timestamps on target file \"%s\": %s\n", dst, strerror (errno));
+
   return TRUE;
 }