| Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 2 | /* |
| Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 3 | * Utility routines. |
| Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 4 | * |
| Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 5 | * Copyright (C) many different people. |
| Eric Andersen | cb81e64 | 2003-07-14 21:21:08 +0000 | [diff] [blame] | 6 | * If you wrote this, please acknowledge your work. |
| Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 7 | * |
| "Robert P. J. Day" | 5d8843e | 2006-07-10 11:41:19 +0000 | [diff] [blame] | 8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
| Denis Vlasenko | 6bf05cf | 2008-05-07 12:18:48 +0000 | [diff] [blame] | 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 | */ |
| Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 16 | |
| 17 | #include "libbb.h" |
| 18 | |
| Denis Vlasenko | defc1ea | 2008-06-27 02:52:20 +0000 | [diff] [blame] | 19 | char* FAST_FUNC concat_path_file(const char *path, const char *filename) |
| Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 20 | { |
| Eric Andersen | c911a43 | 2001-05-15 17:42:16 +0000 | [diff] [blame] | 21 | char *lc; |
| Eric Andersen | 5a071bc | 2001-07-07 04:27:35 +0000 | [diff] [blame] | 22 | |
| 23 | if (!path) |
| Mike Frysinger | 9dc93ac | 2005-05-09 21:51:15 +0000 | [diff] [blame] | 24 | path = ""; |
| Eric Andersen | c911a43 | 2001-05-15 17:42:16 +0000 | [diff] [blame] | 25 | lc = last_char_is(path, '/'); |
| Eric Andersen | 3450636 | 2001-08-02 05:02:46 +0000 | [diff] [blame] | 26 | while (*filename == '/') |
| Eric Andersen | 4ad13e5 | 2001-05-07 23:01:32 +0000 | [diff] [blame] | 27 | filename++; |
| Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 28 | return xasprintf("%s%s%s", path, (lc==NULL ? "/" : ""), filename); |
| Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 29 | } |