nsprpub/lib/libc/src/strchr.c@4ab42b5ab56c
nsprpub/lib/libc/src/strchr.c
Wed, 31 Dec 2014 07:53:36 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:53:36 +0100
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
- permissions
- -rw-r--r--
Correct small whitespace inconsistency, lost while renaming variables.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "plstr.h"
7 #include <string.h>
9 PR_IMPLEMENT(char *)
10 PL_strchr(const char *s, char c)
11 {
12 if( (const char *)0 == s ) return (char *)0;
14 return strchr(s, c);
15 }
17 PR_IMPLEMENT(char *)
18 PL_strrchr(const char *s, char c)
19 {
20 if( (const char *)0 == s ) return (char *)0;
22 return strrchr(s, c);
23 }
25 PR_IMPLEMENT(char *)
26 PL_strnchr(const char *s, char c, PRUint32 n)
27 {
28 if( (const char *)0 == s ) return (char *)0;
30 for( ; n && *s; s++, n-- )
31 if( *s == c )
32 return (char *)s;
34 if( ((char)0 == c) && (n > 0) && ((char)0 == *s) ) return (char *)s;
36 return (char *)0;
37 }
39 PR_IMPLEMENT(char *)
40 PL_strnrchr(const char *s, char c, PRUint32 n)
41 {
42 const char *p;
44 if( (const char *)0 == s ) return (char *)0;
46 for( p = s; n && *p; p++, n-- )
47 ;
49 if( ((char)0 == c) && (n > 0) && ((char)0 == *p) ) return (char *)p;
51 for( p--; p >= s; p-- )
52 if( *p == c )
53 return (char *)p;
55 return (char *)0;
56 }
