diff options
Diffstat (limited to '')
-rw-r--r-- | src/libs/xpcom18a4/nsprpub/lib/libc/src/strchr.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/nsprpub/lib/libc/src/strchr.c b/src/libs/xpcom18a4/nsprpub/lib/libc/src/strchr.c new file mode 100644 index 00000000..35ccedcc --- /dev/null +++ b/src/libs/xpcom18a4/nsprpub/lib/libc/src/strchr.c @@ -0,0 +1,88 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#include "plstr.h" +#include <string.h> + +PR_IMPLEMENT(char *) +PL_strchr(const char *s, char c) +{ + if( (const char *)0 == s ) return (char *)0; + + return strchr(s, c); +} + +PR_IMPLEMENT(char *) +PL_strrchr(const char *s, char c) +{ + if( (const char *)0 == s ) return (char *)0; + + return strrchr(s, c); +} + +PR_IMPLEMENT(char *) +PL_strnchr(const char *s, char c, PRUint32 n) +{ + if( (const char *)0 == s ) return (char *)0; + + for( ; n && *s; s++, n-- ) + if( *s == c ) + return (char *)s; + + if( ((char)0 == c) && (n > 0) && ((char)0 == *s) ) return (char *)s; + + return (char *)0; +} + +PR_IMPLEMENT(char *) +PL_strnrchr(const char *s, char c, PRUint32 n) +{ + const char *p; + + if( (const char *)0 == s ) return (char *)0; + + for( p = s; n && *p; p++, n-- ) + ; + + if( ((char)0 == c) && (n > 0) && ((char)0 == *p) ) return (char *)p; + + for( p--; p >= s; p-- ) + if( *p == c ) + return (char *)p; + + return (char *)0; +} |