1 /* Obstack wrapper for GDB. 2 3 Copyright (C) 2013 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 #include "defs.h" 21 #include "gdb_obstack.h" 22 23 /* Concatenate NULL terminated variable argument list of `const char *' 24 strings; return the new string. Space is found in the OBSTACKP. 25 Argument list must be terminated by a sentinel expression `(char *) 26 NULL'. */ 27 28 char * 29 obconcat (struct obstack *obstackp, ...) 30 { 31 va_list ap; 32 33 va_start (ap, obstackp); 34 for (;;) 35 { 36 const char *s = va_arg (ap, const char *); 37 38 if (s == NULL) 39 break; 40 41 obstack_grow_str (obstackp, s); 42 } 43 va_end (ap); 44 obstack_1grow (obstackp, 0); 45 46 return obstack_finish (obstackp); 47 } 48