| /* Some commonly-used VEC types. |
| |
| Copyright (C) 2012-2014 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "common-defs.h" |
| #include "gdb_vecs.h" |
| #include "host-defs.h" |
| |
| /* Call xfree for each element of CHAR_PTR_VEC and final VEC_free for |
| CHAR_PTR_VEC itself. |
| |
| You must not modify CHAR_PTR_VEC after it got registered with this function |
| by make_cleanup as the CHAR_PTR_VEC base address may change on its updates. |
| Contrary to VEC_free this function does not (cannot) clear the pointer. */ |
| |
| void |
| free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec) |
| { |
| int ix; |
| char *name; |
| |
| for (ix = 0; VEC_iterate (char_ptr, char_ptr_vec, ix, name); ++ix) |
| xfree (name); |
| VEC_free (char_ptr, char_ptr_vec); |
| } |
| |
| /* Worker function to split character delimiter separated string of fields |
| STR into a CHAR_PTR_VEC. */ |
| |
| static void |
| delim_string_to_char_ptr_vec_append (VEC (char_ptr) **vecp, |
| const char *str, char delimiter) |
| { |
| do |
| { |
| size_t this_len; |
| char *next_field, *this_field; |
| |
| next_field = strchr (str, delimiter); |
| if (next_field == NULL) |
| this_len = strlen (str); |
| else |
| { |
| this_len = next_field - str; |
| next_field++; |
| } |
| |
| this_field = xmalloc (this_len + 1); |
| memcpy (this_field, str, this_len); |
| this_field[this_len] = '\0'; |
| VEC_safe_push (char_ptr, *vecp, this_field); |
| |
| str = next_field; |
| } |
| while (str != NULL); |
| } |
| |
| /* Split STR, a list of DELIMITER-separated fields, into a CHAR_PTR_VEC. |
| |
| You may modify the returned strings. |
| Read free_char_ptr_vec for its cleanup. */ |
| |
| VEC (char_ptr) * |
| delim_string_to_char_ptr_vec (const char *str, char delimiter) |
| { |
| VEC (char_ptr) *retval = NULL; |
| |
| delim_string_to_char_ptr_vec_append (&retval, str, delimiter); |
| |
| return retval; |
| } |
| |
| /* Extended version of dirnames_to_char_ptr_vec - additionally if *VECP is |
| non-NULL the new list elements from DIRNAMES are appended to the existing |
| *VECP list of entries. *VECP address will be updated by this call. */ |
| |
| void |
| dirnames_to_char_ptr_vec_append (VEC (char_ptr) **vecp, const char *dirnames) |
| { |
| delim_string_to_char_ptr_vec_append (vecp, dirnames, DIRNAME_SEPARATOR); |
| } |
| |
| /* Split DIRNAMES by DIRNAME_SEPARATOR delimiter and return a list of all the |
| elements in their original order. For empty string ("") DIRNAMES return |
| list of one empty string ("") element. |
| |
| You may modify the returned strings. |
| Read free_char_ptr_vec for its cleanup. */ |
| |
| VEC (char_ptr) * |
| dirnames_to_char_ptr_vec (const char *dirnames) |
| { |
| VEC (char_ptr) *retval = NULL; |
| |
| dirnames_to_char_ptr_vec_append (&retval, dirnames); |
| |
| return retval; |
| } |