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authorbigbiff bigbiff <bigbiff@teamw.in>2013-01-09 15:09:08 +0100
committerbigbiff bigbiff <bigbiff@teamw.in>2013-01-09 15:09:08 +0100
commit9c754053b07a724bdd98d039f34899d6a49115b7 (patch)
tree464885db361a12d83d60cf152142c765562bb92d /libtar/strrstr.c
parentAdd Samsung TouchWiz decryption (diff)
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Diffstat (limited to 'libtar/strrstr.c')
-rw-r--r--libtar/strrstr.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/libtar/strrstr.c b/libtar/strrstr.c
new file mode 100644
index 000000000..097ef9182
--- /dev/null
+++ b/libtar/strrstr.c
@@ -0,0 +1,40 @@
+/*
+** Copyright 1998-2002 University of Illinois Board of Trustees
+** Copyright 1998-2002 Mark D. Roth
+** All rights reserved.
+**
+** strrstr.c - strrstr() function for compatibility library
+**
+** Mark D. Roth <roth@uiuc.edu>
+** Campus Information Technologies and Educational Services
+** University of Illinois at Urbana-Champaign
+*/
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#include <string.h>
+
+
+/*
+** find the last occurrance of find in string
+*/
+char *
+strrstr(char *string, char *find)
+{
+ size_t stringlen, findlen;
+ char *cp;
+
+ findlen = strlen(find);
+ stringlen = strlen(string);
+ if (findlen > stringlen)
+ return NULL;
+
+ for (cp = string + stringlen - findlen; cp >= string; cp--)
+ if (strncmp(cp, find, findlen) == 0)
+ return cp;
+
+ return NULL;
+}
+
+