| /* -*- 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 "prmem.h" |
| #include <string.h> |
| |
| PR_IMPLEMENT(char *) |
| PL_strdup(const char *s) |
| { |
| char *rv; |
| size_t n; |
| |
| if( (const char *)0 == s ) |
| s = ""; |
| |
| n = strlen(s) + 1; |
| |
| rv = (char *)malloc(n); |
| if( (char *)0 == rv ) return rv; |
| |
| (void)memcpy(rv, s, n); |
| |
| return rv; |
| } |
| |
| PR_IMPLEMENT(void) |
| PL_strfree(char *s) |
| { |
| free(s); |
| } |
| |
| PR_IMPLEMENT(char *) |
| PL_strndup(const char *s, PRUint32 max) |
| { |
| char *rv; |
| size_t l; |
| |
| if( (const char *)0 == s ) |
| s = ""; |
| |
| l = PL_strnlen(s, max); |
| |
| rv = (char *)malloc(l+1); |
| if( (char *)0 == rv ) return rv; |
| |
| (void)memcpy(rv, s, l); |
| rv[l] = '\0'; |
| |
| return rv; |
| } |