X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=src%2Fxheader.c;h=11b725e06622c082a0255a2fbf5c8cd3419c39cd;hb=173d3229e3d4c7973cd8dba9c0113e023e7e13c6;hp=5676dcabfb5ee11c933b2e73260eb4b7d47be841;hpb=7aed52718f1b2e031450af0e2468006bd78ccfcd;p=chaz%2Ftar

diff --git a/src/xheader.c b/src/xheader.c
index 5676dca..11b725e 100644
--- a/src/xheader.c
+++ b/src/xheader.c
@@ -225,7 +225,7 @@ xheader_set_option (char *string)
                               to the result of the basename
                               utility on the translated file name.
      %p                       The process ID of the pax process.
-     %n                       The value of the 3rd argument.  
+     %n                       The value of the 3rd argument.
      %%                       A '%' character. */
 
 char *
@@ -331,7 +331,7 @@ xheader_format_name (struct tar_stat_info *st, const char *fmt, size_t n)
     }
 
   free (dirp);
-  
+
   /* Do not allow it to end in a slash */
   while (q > buf && ISSLASH (q[-1]))
     q--;
@@ -508,7 +508,7 @@ decode_record (char **ptr,
       ERROR ((0, 0, _("Extended header length is out of allowed range")));
       return false;
     }
-  
+
   if (len_max < len)
     {
       int len_len = len_lim - p;
@@ -647,12 +647,10 @@ void
 xheader_read (union block *p, size_t size)
 {
   size_t j = 0;
-  size_t nblocks;
 
   free (extended_header.buffer);
   size += BLOCKSIZE;
   extended_header.size = size;
-  nblocks = (size + BLOCKSIZE - 1) / BLOCKSIZE;
   extended_header.buffer = xmalloc (size + 1);
   extended_header.buffer[size] = '\0';
 
@@ -956,7 +954,7 @@ decode_time (struct timespec *ts, char const *arg, char const *keyword)
   return true;
 }
 
-  
+
 
 static void
 code_num (uintmax_t value, char const *keyword, struct xheader *xhdr)
@@ -1094,9 +1092,10 @@ ctime_decoder (struct tar_stat_info *st,
 
 static void
 mtime_coder (struct tar_stat_info const *st, char const *keyword,
-	     struct xheader *xhdr, void const *data __attribute__ ((unused)))
+	     struct xheader *xhdr, void const *data)
 {
-  code_time (st->mtime, keyword, xhdr);
+  struct timespec const *mtime = data;
+  code_time (mtime ? *mtime : st->mtime, keyword, xhdr);
 }
 
 static void
@@ -1380,8 +1379,8 @@ static void
 volume_size_coder (struct tar_stat_info const *st, char const *keyword,
 		   struct xheader *xhdr, void const *data)
 {
-  off_t v = *(off_t*)data;
-  code_num (v, keyword, xhdr);
+  off_t const *v = data;
+  code_num (*v, keyword, xhdr);
 }
 
 static void
@@ -1399,8 +1398,8 @@ static void
 volume_offset_coder (struct tar_stat_info const *st, char const *keyword,
 		     struct xheader *xhdr, void const *data)
 {
-  off_t v = *(off_t*)data;
-  code_num (v, keyword, xhdr);
+  off_t const *v = data;
+  code_num (*v, keyword, xhdr);
 }
 
 static void
@@ -1439,12 +1438,12 @@ sparse_major_decoder (struct tar_stat_info *st,
   if (decode_num (&u, arg, TYPE_MAXIMUM (unsigned), keyword))
     st->sparse_major = u;
 }
-  
+
 static void
 sparse_minor_coder (struct tar_stat_info const *st, char const *keyword,
 		      struct xheader *xhdr, void const *data)
 {
-  code_num (st->sparse_minor, keyword, xhdr); 
+  code_num (st->sparse_minor, keyword, xhdr);
 }
 
 static void
@@ -1457,7 +1456,7 @@ sparse_minor_decoder (struct tar_stat_info *st,
   if (decode_num (&u, arg, TYPE_MAXIMUM (unsigned), keyword))
     st->sparse_minor = u;
 }
-  
+
 struct xhdr_tab const xhdr_tab[] = {
   { "atime",	atime_coder,	atime_decoder,	  false },
   { "comment",	dummy_coder,	dummy_decoder,	  false },