X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fmisc.c;h=cdb2608aa45511cee77721445d4bca2a6e4fa880;hb=cac45fffc58cc10056c528582ee4b78b8ee175e0;hp=a76b24eb6764cc85106c8bc38fbfa94f446f76f0;hpb=2b1bffbad66faab91c3b080b63788d910f68632d;p=chaz%2Ftar

diff --git a/src/misc.c b/src/misc.c
index a76b24e..cdb2608 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -745,6 +745,36 @@ stat_diag (char const *name)
     stat_error (name);
 }
 
+void
+file_removed_diag (const char *name, bool top_level,
+		   void (*diagfn) (char const *name))
+{
+  if (!top_level && errno == ENOENT)
+    {
+      WARNOPT (WARN_FILE_REMOVED,
+	       (0, 0, _("%s: File removed before we read it"),
+		quotearg_colon (name)));
+      set_exit_status (TAREXIT_DIFFERS);
+    }      
+  else
+    diagfn (name);
+}
+
+void
+dir_removed_diag (const char *name, bool top_level,
+		   void (*diagfn) (char const *name))
+{
+  if (!top_level && errno == ENOENT)
+    {
+      WARNOPT (WARN_FILE_REMOVED,
+	       (0, 0, _("%s: Directory removed before we read it"),
+		quotearg_colon (name)));
+      set_exit_status (TAREXIT_DIFFERS);
+    }
+  else
+    diagfn (name);
+}
+
 void
 write_fatal_details (char const *name, ssize_t status, size_t size)
 {
@@ -797,3 +827,44 @@ page_aligned_alloc (void **ptr, size_t size)
   return ptr_align (*ptr, alignment);
 }
 
+
+
+struct namebuf
+{
+  char *buffer;		/* directory, `/', and directory member */
+  size_t buffer_size;	/* allocated size of name_buffer */
+  size_t dir_length;	/* length of directory part in buffer */
+};
+
+namebuf_t
+namebuf_create (const char *dir)
+{
+  namebuf_t buf = xmalloc (sizeof (*buf));
+  buf->buffer_size = strlen (dir) + 2;
+  buf->buffer = xmalloc (buf->buffer_size);
+  strcpy (buf->buffer, dir);
+  buf->dir_length = strlen (buf->buffer);
+  if (!ISSLASH (buf->buffer[buf->dir_length - 1]))
+    buf->buffer[buf->dir_length++] = DIRECTORY_SEPARATOR;
+  return buf;
+}
+
+void
+namebuf_free (namebuf_t buf)
+{
+  free (buf->buffer);
+  free (buf);
+}
+
+char *
+namebuf_name (namebuf_t buf, const char *name)
+{
+  size_t len = strlen (name);
+  while (buf->dir_length + len + 1 >= buf->buffer_size)
+    buf->buffer = x2realloc (buf->buffer, &buf->buffer_size);
+  strcpy (buf->buffer + buf->dir_length, name);
+  return buf->buffer;
+}
+
+
+