maint: update copyright

[gnulib.git] / lib / filenamecat.c

diff --git a/lib/filenamecat.c b/lib/filenamecat.c
index ef46de2..64c27f2 100644 (file)
--- a/lib/filenamecat.c
+++ b/lib/filenamecat.c
@@ -1,6 +1,6 @@
 /* Concatenate two arbitrary file names.
 
-   Copyright (C) 1996-2007 Free Software Foundation, Inc.
+   Copyright (C) 1996-2007, 2009-2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -25,70 +25,9 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "dirname.h"
 #include "xalloc.h"
 
-#if ! HAVE_MEMPCPY && ! defined mempcpy
-# define mempcpy(D, S, N) ((void *) ((char *) memcpy (D, S, N) + (N)))
-#endif
-
-/* Return the longest suffix of F that is a relative file name.
-   If it has no such suffix, return the empty string.  */
-
-static char const *
-longest_relative_suffix (char const *f)
-{
-  for (f += FILE_SYSTEM_PREFIX_LEN (f); ISSLASH (*f); f++)
-    continue;
-  return f;
-}
-
-/* Concatenate two file name components, DIR and ABASE, in
-   newly-allocated storage and return the result.
-   The resulting file name F is such that the commands "ls F" and "(cd
-   DIR; ls BASE)" refer to the same file, where BASE is ABASE with any
-   file system prefixes and leading separators removed.
-   Arrange for a directory separator if necessary between DIR and BASE
-   in the result, removing any redundant separators.
-   In any case, if BASE_IN_RESULT is non-NULL, set
-   *BASE_IN_RESULT to point to the copy of ABASE in the returned
-   concatenation.  However, if ABASE begins with more than one slash,
-   set *BASE_IN_RESULT to point to the sole corresponding slash that
-   is copied into the result buffer.
-
-   Return NULL if malloc fails.  */
-
-char *
-mfile_name_concat (char const *dir, char const *abase, char **base_in_result)
-{
-  char const *dirbase = last_component (dir);
-  size_t dirbaselen = base_len (dirbase);
-  size_t dirlen = dirbase - dir + dirbaselen;
-  size_t needs_separator = (dirbaselen && ! ISSLASH (dirbase[dirbaselen - 1]));
-
-  char const *base = longest_relative_suffix (abase);
-  size_t baselen = strlen (base);
-
-  char *p_concat = malloc (dirlen + needs_separator + baselen + 1);
-  char *p;
-
-  if (p_concat == NULL)
-    return NULL;
-
-  p = mempcpy (p_concat, dir, dirlen);
-  *p = DIRECTORY_SEPARATOR;
-  p += needs_separator;
-
-  if (base_in_result)
-    *base_in_result = p - IS_ABSOLUTE_FILE_NAME (abase);
-
-  p = mempcpy (p, base, baselen);
-  *p = '\0';
-
-  return p_concat;
-}
-
-/* Just like mfile_name_concat, above, except, rather than
+/* Just like mfile_name_concat (filenamecat-lgpl.c), except, rather than
    returning NULL upon malloc failure, here, we report the
    "memory exhausted" condition and exit.  */