The Tor Browser: nsprpub/lib/libc/src/strcpy.c@b8a032363ba2 (annotated)

nsprpub/lib/libc/src/strcpy.c@b8a032363ba2 (annotated)

Thu, 22 Jan 2015 13:21:57 +0100

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- 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 <string.h>
 PR_IMPLEMENT(char *)
 PL_strcpy(char *dest, const char *src)
 {
     if( ((char *)0 == dest) || ((const char *)0 == src) ) return (char *)0;
     return strcpy(dest, src);
 }
 PR_IMPLEMENT(char *)
 PL_strncpy(char *dest, const char *src, PRUint32 max)
 {
     char *rv;
     if( (char *)0 == dest ) return (char *)0;
     if( (const char *)0 == src ) return (char *)0;
     for( rv = dest; max && ((*dest = *src) != 0); dest++, src++, max-- )
         ;
 #ifdef JLRU
     /* XXX I (wtc) think the -- and ++ operators should be postfix. */
     while( --max )
         *++dest = '\0';
 #endif /* JLRU */
     return rv;
 }
 PR_IMPLEMENT(char *)
 PL_strncpyz(char *dest, const char *src, PRUint32 max)
 {
     char *rv;
     if( (char *)0 == dest ) return (char *)0;
     if( (const char *)0 == src ) return (char *)0;
     if( 0 == max ) return (char *)0;
     for( rv = dest, max--; max && ((*dest = *src) != 0); dest++, src++, max-- )
         ;
     *dest = '\0';
     return rv;
 }