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-rw-r--r--string/strrchr.c50
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diff --git a/string/strrchr.c b/string/strrchr.c
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--- /dev/null
+++ b/string/strrchr.c
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+/* Copyright (C) 1991, 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <string.h>
+
+#undef strrchr
+
+/* Find the last occurrence of C in S. */
+char *
+strrchr (const char *s, int c)
+{
+ register const char *found, *p;
+
+ c = (unsigned char) c;
+
+ /* Since strchr is fast, we use it rather than the obvious loop. */
+
+ if (c == '\0')
+ return strchr (s, '\0');
+
+ found = NULL;
+ while ((p = strchr (s, c)) != NULL)
+ {
+ found = p;
+ s = p + 1;
+ }
+
+ return (char *) found;
+}
+
+#ifdef weak_alias
+#undef rindex
+weak_alias (strrchr, rindex)
+#endif
+libc_hidden_builtin_def (strrchr)