blob: 9ed295996db365b7ab561439daf1b61745547676
| 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Utility routines. |
| 4 | * |
| 5 | * Copyright (C) many different people. |
| 6 | * If you wrote this, please acknowledge your work. |
| 7 | * |
| 8 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| 9 | */ |
| 10 | |
| 11 | /* Concatenate path and filename to new allocated buffer. |
| 12 | * Add '/' only as needed (no duplicate // are produced). |
| 13 | * If path is NULL, it is assumed to be "/". |
| 14 | * filename should not be NULL. |
| 15 | */ |
| 16 | |
| 17 | #include "libbb.h" |
| 18 | |
| 19 | char* FAST_FUNC concat_path_file(const char *path, const char *filename) |
| 20 | { |
| 21 | char *lc; |
| 22 | |
| 23 | if (!path) |
| 24 | path = ""; |
| 25 | lc = last_char_is(path, '/'); |
| 26 | while (*filename == '/') |
| 27 | filename++; |
| 28 | return xasprintf("%s%s%s", path, (lc==NULL ? "/" : ""), filename); |
| 29 | } |
| 30 |