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/* Some commonly-used VEC types.
Copyright (C) 2012-2016 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;
const char *next_field;
char *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 = (char *) 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;
}
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