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1 /* Native-dependent code for NetBSD. | 1 /* Obstack wrapper for GDB. |
2 | 2 |
3 Copyright (C) 2006-2012 Free Software Foundation, Inc. | 3 Copyright (C) 2013 Free Software Foundation, Inc. |
4 | 4 |
5 This file is part of GDB. | 5 This file is part of GDB. |
6 | 6 |
7 This program is free software; you can redistribute it and/or modify | 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 | 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 | 9 the Free Software Foundation; either version 3 of the License, or |
10 (at your option) any later version. | 10 (at your option) any later version. |
11 | 11 |
12 This program is distributed in the hope that it will be useful, | 12 This program is distributed in the hope that it will be useful, |
13 but WITHOUT ANY WARRANTY; without even the implied warranty of | 13 but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 GNU General Public License for more details. | 15 GNU General Public License for more details. |
16 | 16 |
17 You should have received a copy of the GNU General Public License | 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/>. */ | 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
19 | 19 |
20 #include "defs.h" | 20 #include "defs.h" |
| 21 #include "gdb_obstack.h" |
21 | 22 |
22 #include <sys/param.h> | 23 /* Concatenate NULL terminated variable argument list of `const char *' |
23 | 24 strings; return the new string. Space is found in the OBSTACKP. |
24 #include "nbsd-nat.h" | 25 Argument list must be terminated by a sentinel expression `(char *) |
25 | 26 NULL'. */ |
26 /* Return the name of a file that can be opened to get the symbols for | |
27 the child process identified by PID. */ | |
28 | 27 |
29 char * | 28 char * |
30 nbsd_pid_to_exec_file (int pid) | 29 obconcat (struct obstack *obstackp, ...) |
31 { | 30 { |
32 size_t len = MAXPATHLEN; | 31 va_list ap; |
33 char *buf = xcalloc (len, sizeof (char)); | |
34 char *path; | |
35 | 32 |
36 path = xstrprintf ("/proc/%d/exe", pid); | 33 va_start (ap, obstackp); |
37 if (readlink (path, buf, MAXPATHLEN) == -1) | 34 for (;;) |
38 { | 35 { |
39 xfree (buf); | 36 const char *s = va_arg (ap, const char *); |
40 buf = NULL; | 37 |
| 38 if (s == NULL) |
| 39 » break; |
| 40 |
| 41 obstack_grow_str (obstackp, s); |
41 } | 42 } |
| 43 va_end (ap); |
| 44 obstack_1grow (obstackp, 0); |
42 | 45 |
43 xfree (path); | 46 return obstack_finish (obstackp); |
44 return buf; | |
45 } | 47 } |
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