From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- nsprpub/lib/libc/src/strchr.c | 56 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 nsprpub/lib/libc/src/strchr.c (limited to 'nsprpub/lib/libc/src/strchr.c') diff --git a/nsprpub/lib/libc/src/strchr.c b/nsprpub/lib/libc/src/strchr.c new file mode 100644 index 000000000..523378b49 --- /dev/null +++ b/nsprpub/lib/libc/src/strchr.c @@ -0,0 +1,56 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "plstr.h" +#include + +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; +} -- cgit v1.2.3