| 1 | /* Some commonly-used VEC types. |
| 2 | |
| 3 | Copyright (C) 2012 Free Software Foundation, Inc. |
| 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 | #ifdef GDBSERVER |
| 21 | #include "server.h" |
| 22 | #else |
| 23 | #include "defs.h" |
| 24 | #endif |
| 25 | |
| 26 | #include "gdb_vecs.h" |
| 27 | #include "host-defs.h" |
| 28 | |
| 29 | /* Call xfree for each element of CHAR_PTR_VEC and final VEC_free for |
| 30 | CHAR_PTR_VEC itself. |
| 31 | |
| 32 | You must not modify CHAR_PTR_VEC after it got registered with this function |
| 33 | by make_cleanup as the CHAR_PTR_VEC base address may change on its updates. |
| 34 | Contrary to VEC_free this function does not (cannot) clear the pointer. */ |
| 35 | |
| 36 | void |
| 37 | free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec) |
| 38 | { |
| 39 | int ix; |
| 40 | char *name; |
| 41 | |
| 42 | for (ix = 0; VEC_iterate (char_ptr, char_ptr_vec, ix, name); ++ix) |
| 43 | xfree (name); |
| 44 | VEC_free (char_ptr, char_ptr_vec); |
| 45 | } |
| 46 | |
| 47 | /* Extended version of dirnames_to_char_ptr_vec - additionally if *VECP is |
| 48 | non-NULL the new list elements from DIRNAMES are appended to the existing |
| 49 | *VECP list of entries. *VECP address will be updated by this call. */ |
| 50 | |
| 51 | void |
| 52 | dirnames_to_char_ptr_vec_append (VEC (char_ptr) **vecp, const char *dirnames) |
| 53 | { |
| 54 | do |
| 55 | { |
| 56 | size_t this_len; |
| 57 | char *next_dir, *this_dir; |
| 58 | |
| 59 | next_dir = strchr (dirnames, DIRNAME_SEPARATOR); |
| 60 | if (next_dir == NULL) |
| 61 | this_len = strlen (dirnames); |
| 62 | else |
| 63 | { |
| 64 | this_len = next_dir - dirnames; |
| 65 | next_dir++; |
| 66 | } |
| 67 | |
| 68 | this_dir = xmalloc (this_len + 1); |
| 69 | memcpy (this_dir, dirnames, this_len); |
| 70 | this_dir[this_len] = '\0'; |
| 71 | VEC_safe_push (char_ptr, *vecp, this_dir); |
| 72 | |
| 73 | dirnames = next_dir; |
| 74 | } |
| 75 | while (dirnames != NULL); |
| 76 | } |
| 77 | |
| 78 | /* Split DIRNAMES by DIRNAME_SEPARATOR delimiter and return a list of all the |
| 79 | elements in their original order. For empty string ("") DIRNAMES return |
| 80 | list of one empty string ("") element. |
| 81 | |
| 82 | You may modify the returned strings. |
| 83 | Read free_char_ptr_vec for its cleanup. */ |
| 84 | |
| 85 | VEC (char_ptr) * |
| 86 | dirnames_to_char_ptr_vec (const char *dirnames) |
| 87 | { |
| 88 | VEC (char_ptr) *retval = NULL; |
| 89 | |
| 90 | dirnames_to_char_ptr_vec_append (&retval, dirnames); |
| 91 | |
| 92 | return retval; |
| 93 | } |