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authorBen Cheng <bccheng@google.com>2013-04-09 11:29:01 -0700
committerBen Cheng <bccheng@google.com>2013-04-09 11:29:01 -0700
commitf226517827d64cc8f9dccb0952731601ac13ef2a (patch)
tree84b1056255b318a87b7a47b2684655660cab66f0 /binutils-2.23/libiberty/rename.c
parent30fe22e2cc89991b16ab3853f95c7319574456ce (diff)
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Initial checkin for binutils 2.23.2 (needed by aarch64)
Change-Id: I7e5f319e9e632cc0ccc8a4ec1051169ed2849ca4
Diffstat (limited to 'binutils-2.23/libiberty/rename.c')
-rw-r--r--binutils-2.23/libiberty/rename.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/binutils-2.23/libiberty/rename.c b/binutils-2.23/libiberty/rename.c
new file mode 100644
index 00000000..ad342ffc
--- /dev/null
+++ b/binutils-2.23/libiberty/rename.c
@@ -0,0 +1,36 @@
+/* rename -- rename a file
+ This function is in the public domain. */
+
+/*
+
+@deftypefn Supplemental int rename (const char *@var{old}, const char *@var{new})
+
+Renames a file from @var{old} to @var{new}. If @var{new} already
+exists, it is removed.
+
+@end deftypefn
+
+*/
+
+#include "ansidecl.h"
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <errno.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+int
+rename (const char *zfrom, const char *zto)
+{
+ if (link (zfrom, zto) < 0)
+ {
+ if (errno != EEXIST)
+ return -1;
+ if (unlink (zto) < 0
+ || link (zfrom, zto) < 0)
+ return -1;
+ }
+ return unlink (zfrom);
+}