diff options
Diffstat (limited to '')
-rw-r--r-- | nsprpub/lib/libc/src/strcpy.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/nsprpub/lib/libc/src/strcpy.c b/nsprpub/lib/libc/src/strcpy.c new file mode 100644 index 0000000000..f49b3e75e6 --- /dev/null +++ b/nsprpub/lib/libc/src/strcpy.c @@ -0,0 +1,65 @@ +/* -*- 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; +} |