From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- sysdeps/generic/strrchr.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 sysdeps/generic/strrchr.c (limited to 'sysdeps/generic/strrchr.c') diff --git a/sysdeps/generic/strrchr.c b/sysdeps/generic/strrchr.c new file mode 100644 index 0000000000..64118b87ef --- /dev/null +++ b/sysdeps/generic/strrchr.c @@ -0,0 +1,50 @@ +/* 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 + +#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) -- cgit 1.4.1