/* Provide relocatable packages.
- Copyright (C) 2003-2006, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2003-2006, 2008-2009 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2003.
This program is free software; you can redistribute it and/or modify it
same = true;
break;
}
- /* Do case-insensitive comparison if the filesystem is always or
+ /* Do case-insensitive comparison if the file system is always or
often case-insensitive. It's better to accept the comparison
if the difference is only in case, rather than to fail. */
#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
- /* Win32, Cygwin, OS/2, DOS - case insignificant filesystem */
+ /* Win32, Cygwin, OS/2, DOS - case insignificant file system */
if ((*rpi >= 'a' && *rpi <= 'z' ? *rpi - 'a' + 'A' : *rpi)
!= (*cpi >= 'a' && *cpi <= 'z' ? *cpi - 'a' + 'A' : *cpi))
break;
#endif /* PIC */
/* Returns the pathname, relocated according to the current installation
- directory. */
+ directory.
+ The returned string is either PATHNAME unmodified or a freshly allocated
+ string that you can free with free() after casting it to 'char *'. */
const char *
relocate (const char *pathname)
{
#endif
/* Note: It is not necessary to perform case insensitive comparison here,
- even for DOS-like filesystems, because the pathname argument was
+ even for DOS-like file systems, because the pathname argument was
typically created from the same Makefile variable as orig_prefix came
from. */
if (orig_prefix != NULL && curr_prefix != NULL
&& strncmp (pathname, orig_prefix, orig_prefix_len) == 0)
{
if (pathname[orig_prefix_len] == '\0')
- /* pathname equals orig_prefix. */
- return curr_prefix;
- if (ISSLASH (pathname[orig_prefix_len]))
+ {
+ /* pathname equals orig_prefix. */
+ char *result = (char *) xmalloc (strlen (curr_prefix) + 1);
+
+#ifdef NO_XMALLOC
+ if (result != NULL)
+#endif
+ {
+ strcpy (result, curr_prefix);
+ return result;
+ }
+ }
+ else if (ISSLASH (pathname[orig_prefix_len]))
{
/* pathname starts with orig_prefix. */
const char *pathname_tail = &pathname[orig_prefix_len];