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authorJörg Frings-Fürst <debian@jff-webhosting.net>2017-12-02 12:05:34 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2017-12-02 12:05:34 +0100
commit7c78c92a28ef43d68b172adf97fbd8a27be3baec (patch)
tree3a98b0d01865f5e00912521c58386eb008a70d07 /lib/relocatable.c
parent4d76768442551c97a85e6f133cb818d223012746 (diff)
parent3ee36dc9787cee6ab5314af8f9c01b05a50e7d9d (diff)
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'lib/relocatable.c')
-rw-r--r--lib/relocatable.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/lib/relocatable.c b/lib/relocatable.c
index 810f19bf..9c272967 100644
--- a/lib/relocatable.c
+++ b/lib/relocatable.c
@@ -1,5 +1,5 @@
/* Provide relocatable packages.
- Copyright (C) 2003-2006, 2008-2016 Free Software Foundation, Inc.
+ Copyright (C) 2003-2006, 2008-2017 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2003.
This program is free software: you can redistribute it and/or
@@ -19,10 +19,10 @@
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
+ GNU General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Tell glibc's <stdio.h> to provide a prototype for getline().
@@ -324,7 +324,7 @@ static char *shared_library_fullname;
On Cygwin, it is better to use the Cygwin provided /proc interface, than
to use native Windows API and cygwin_conv_to_posix_path, because it
supports longer file names
- (see <http://cygwin.com/ml/cygwin/2011-01/msg00410.html>). */
+ (see <https://cygwin.com/ml/cygwin/2011-01/msg00410.html>). */
/* Determine the full pathname of the shared library when it is loaded. */
@@ -551,27 +551,26 @@ relocate (const char *pathname)
# ifdef __KLIBC__
# undef strncmp
- if (pathname && strncmp (pathname, "/@unixroot", 10) == 0
- && (pathname[10] == '\0' || pathname[10] == '/' || pathname[10] == '\\'))
+ if (strncmp (pathname, "/@unixroot", 10) == 0
+ && (pathname[10] == '\0' || ISSLASH (pathname[10])))
{
/* kLIBC itself processes /@unixroot prefix */
-
return pathname;
}
else
# endif
- if (pathname && ISSLASH (pathname[0]))
+ if (ISSLASH (pathname[0]))
{
const char *unixroot = getenv ("UNIXROOT");
- if (unixroot && HAS_DEVICE (unixroot) && !unixroot[2])
+ if (unixroot && HAS_DEVICE (unixroot) && unixroot[2] == '\0')
{
char *result = (char *) xmalloc (2 + strlen (pathname) + 1);
#ifdef NO_XMALLOC
if (result != NULL)
#endif
{
- strcpy (result, unixroot);
+ memcpy (result, unixroot, 2);
strcpy (result + 2, pathname);
return result;
}
@@ -583,4 +582,17 @@ relocate (const char *pathname)
return pathname;
}
+/* Returns the pathname, relocated according to the current installation
+ directory.
+ This function sets *ALLOCATEDP to the allocated memory, or to NULL if
+ no memory allocation occurs. So that, after you're done with the return
+ value, to reclaim allocated memory, you can do: free (*ALLOCATEDP). */
+const char *
+relocate2 (const char *pathname, char **allocatedp)
+{
+ const char *result = relocate (pathname);
+ *allocatedp = (result != pathname ? (char *) result : NULL);
+ return result;
+}
+
#endif