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48faced0 DE |
1 | /* Some commonly-used VEC types. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2012-2014 Free Software Foundation, Inc. |
48faced0 DE |
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 | ||
749234e5 DE |
47 | /* Worker function to split character delimiter separated string of fields |
48 | STR into a CHAR_PTR_VEC. */ | |
48faced0 | 49 | |
749234e5 DE |
50 | static void |
51 | delim_string_to_char_ptr_vec_append (VEC (char_ptr) **vecp, | |
52 | const char *str, char delimiter) | |
48faced0 DE |
53 | { |
54 | do | |
55 | { | |
56 | size_t this_len; | |
749234e5 | 57 | char *next_field, *this_field; |
48faced0 | 58 | |
749234e5 DE |
59 | next_field = strchr (str, delimiter); |
60 | if (next_field == NULL) | |
61 | this_len = strlen (str); | |
48faced0 DE |
62 | else |
63 | { | |
749234e5 DE |
64 | this_len = next_field - str; |
65 | next_field++; | |
48faced0 DE |
66 | } |
67 | ||
749234e5 DE |
68 | this_field = xmalloc (this_len + 1); |
69 | memcpy (this_field, str, this_len); | |
70 | this_field[this_len] = '\0'; | |
71 | VEC_safe_push (char_ptr, *vecp, this_field); | |
48faced0 | 72 | |
749234e5 | 73 | str = next_field; |
48faced0 | 74 | } |
749234e5 DE |
75 | while (str != NULL); |
76 | } | |
77 | ||
78 | /* Split STR, a list of DELIMITER-separated fields, into a CHAR_PTR_VEC. | |
79 | ||
80 | You may modify the returned strings. | |
81 | Read free_char_ptr_vec for its cleanup. */ | |
82 | ||
83 | VEC (char_ptr) * | |
84 | delim_string_to_char_ptr_vec (const char *str, char delimiter) | |
85 | { | |
86 | VEC (char_ptr) *retval = NULL; | |
87 | ||
88 | delim_string_to_char_ptr_vec_append (&retval, str, delimiter); | |
89 | ||
90 | return retval; | |
91 | } | |
92 | ||
93 | /* Extended version of dirnames_to_char_ptr_vec - additionally if *VECP is | |
94 | non-NULL the new list elements from DIRNAMES are appended to the existing | |
95 | *VECP list of entries. *VECP address will be updated by this call. */ | |
96 | ||
97 | void | |
98 | dirnames_to_char_ptr_vec_append (VEC (char_ptr) **vecp, const char *dirnames) | |
99 | { | |
100 | delim_string_to_char_ptr_vec_append (vecp, dirnames, DIRNAME_SEPARATOR); | |
48faced0 DE |
101 | } |
102 | ||
103 | /* Split DIRNAMES by DIRNAME_SEPARATOR delimiter and return a list of all the | |
104 | elements in their original order. For empty string ("") DIRNAMES return | |
105 | list of one empty string ("") element. | |
106 | ||
107 | You may modify the returned strings. | |
108 | Read free_char_ptr_vec for its cleanup. */ | |
109 | ||
110 | VEC (char_ptr) * | |
111 | dirnames_to_char_ptr_vec (const char *dirnames) | |
112 | { | |
113 | VEC (char_ptr) *retval = NULL; | |
114 | ||
115 | dirnames_to_char_ptr_vec_append (&retval, dirnames); | |
116 | ||
117 | return retval; | |
118 | } |