From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- nsprpub/lib/libc/src/strchr.c | 70 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 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 0000000000..7de1887dc3 --- /dev/null +++ b/nsprpub/lib/libc/src/strchr.c @@ -0,0 +1,70 @@ +/* -*- 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