projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 7da0a886 SDJ |
1 | /* Perform tilde expansion on paths for GDB and gdbserver. |
| 2 | ||
| b811d2c2 | 3 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
| 7da0a886 SDJ |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #include "common-defs.h" | |
| 21 | #include "gdb_tilde_expand.h" | |
| 22 | #include <glob.h> | |
| 23 | ||
| 24 | /* RAII-style class wrapping "glob". */ | |
| 25 | ||
| 26 | class gdb_glob | |
| 27 | { | |
| 28 | public: | |
| 29 | /* Construct a "gdb_glob" object by calling "glob" with the provided | |
| 30 | parameters. This function can throw if "glob" fails. */ | |
| 31 | gdb_glob (const char *pattern, int flags, | |
| 32 | int (*errfunc) (const char *epath, int eerrno)) | |
| 33 | { | |
| 34 | int ret = glob (pattern, flags, errfunc, &m_glob); | |
| 35 | ||
| 36 | if (ret != 0) | |
| 37 | { | |
| 38 | if (ret == GLOB_NOMATCH) | |
| 39 | error (_("Could not find a match for '%s'."), pattern); | |
| 40 | else | |
| 41 | error (_("glob could not process pattern '%s'."), | |
| 42 | pattern); | |
| 43 | } | |
| 44 | } | |
| 45 | ||
| 46 | /* Destroy the object and free M_GLOB. */ | |
| 47 | ~gdb_glob () | |
| 48 | { | |
| 49 | globfree (&m_glob); | |
| 50 | } | |
| 51 | ||
| 52 | /* Return the GL_PATHC component of M_GLOB. */ | |
| 53 | int pathc () const | |
| 54 | { | |
| 55 | return m_glob.gl_pathc; | |
| 56 | } | |
| 57 | ||
| 58 | /* Return the GL_PATHV component of M_GLOB. */ | |
| 59 | char **pathv () const | |
| 60 | { | |
| 61 | return m_glob.gl_pathv; | |
| 62 | } | |
| 63 | ||
| 64 | private: | |
| 65 | /* The actual glob object we're dealing with. */ | |
| 66 | glob_t m_glob; | |
| 67 | }; | |
| 68 | ||
| 268a13a5 | 69 | /* See gdbsupport/gdb_tilde_expand.h. */ |
| 7da0a886 SDJ |
70 | |
| 71 | std::string | |
| 72 | gdb_tilde_expand (const char *dir) | |
| 73 | { | |
| 74 | gdb_glob glob (dir, GLOB_TILDE_CHECK, NULL); | |
| 75 | ||
| 76 | gdb_assert (glob.pathc () > 0); | |
| 77 | /* "glob" may return more than one match to the path provided by the | |
| 78 | user, but we are only interested in the first match. */ | |
| 79 | std::string expanded_dir = glob.pathv ()[0]; | |
| 80 | ||
| 81 | return expanded_dir; | |
| 82 | } | |
| b4987c95 | 83 | |
| 268a13a5 | 84 | /* See gdbsupport/gdb_tilde_expand.h. */ |
| b4987c95 SDJ |
85 | |
| 86 | gdb::unique_xmalloc_ptr<char> | |
| 87 | gdb_tilde_expand_up (const char *dir) | |
| 88 | { | |
| 89 | gdb_glob glob (dir, GLOB_TILDE_CHECK, NULL); | |
| 90 | ||
| 91 | gdb_assert (glob.pathc () > 0); | |
| 92 | /* "glob" may return more than one match to the path provided by the | |
| 93 | user, but we are only interested in the first match. */ | |
| b02f78f9 | 94 | return make_unique_xstrdup (glob.pathv ()[0]); |
| b4987c95 | 95 | } |