projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 2bd0ea18 | 1 | /* |
| da23017d NS |
2 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| dfc130f3 | 4 | * |
| da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 2bd0ea18 | 7 | * published by the Free Software Foundation. |
| dfc130f3 | 8 | * |
| da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| dfc130f3 | 13 | * |
| da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 2bd0ea18 NS |
17 | */ |
| 18 | ||
| 1d7e80ee | 19 | #include <xfs/libxfs.h> |
| 2bd0ea18 NS |
20 | #include <stdarg.h> |
| 21 | #include "command.h" | |
| 22 | #include "output.h" | |
| 23 | #include "sig.h" | |
| 24 | #include "malloc.h" | |
| 25 | #include "init.h" | |
| 26 | ||
| 27 | static int log_f(int argc, char **argv); | |
| 28 | ||
| 29 | static const cmdinfo_t log_cmd = | |
| 30 | { "log", NULL, log_f, 0, 2, 0, "[stop|start <filename>]", | |
| 31 | "start or stop logging to a file", NULL }; | |
| 32 | ||
| 33 | int dbprefix; | |
| 34 | static FILE *log_file; | |
| 35 | static char *log_file_name; | |
| 36 | ||
| 37 | int | |
| 38 | dbprintf(const char *fmt, ...) | |
| 39 | { | |
| 40 | va_list ap; | |
| 41 | int i; | |
| 42 | ||
| 43 | if (seenint()) | |
| 44 | return 0; | |
| 45 | va_start(ap, fmt); | |
| 46 | blockint(); | |
| 47 | i = 0; | |
| 48 | if (dbprefix) | |
| 49 | i += printf("%s: ", fsdevice); | |
| 50 | i += vprintf(fmt, ap); | |
| 51 | unblockint(); | |
| 52 | va_end(ap); | |
| 53 | if (log_file) { | |
| 54 | va_start(ap, fmt); | |
| 55 | vfprintf(log_file, fmt, ap); | |
| 56 | va_end(ap); | |
| 57 | } | |
| 58 | return i; | |
| 59 | } | |
| 60 | ||
| 61 | static int | |
| 62 | log_f( | |
| 63 | int argc, | |
| 64 | char **argv) | |
| 65 | { | |
| 66 | if (argc == 1) { | |
| 67 | if (log_file) | |
| 68 | dbprintf("logging to %s\n", log_file_name); | |
| 69 | else | |
| 70 | dbprintf("no log file\n"); | |
| 71 | } else if (argc == 2 && strcmp(argv[1], "stop") == 0) { | |
| 72 | if (log_file) { | |
| 73 | xfree(log_file_name); | |
| 74 | fclose(log_file); | |
| 75 | log_file = NULL; | |
| 76 | } else | |
| 77 | dbprintf("no log file\n"); | |
| 78 | } else if (argc == 3 && strcmp(argv[1], "start") == 0) { | |
| 79 | if (log_file) | |
| 80 | dbprintf("already logging to %s\n", log_file_name); | |
| 81 | else { | |
| 82 | log_file = fopen(argv[2], "a"); | |
| 83 | if (log_file == NULL) | |
| 84 | dbprintf("can't open %s for writing\n", | |
| 85 | argv[2]); | |
| 86 | else | |
| 87 | log_file_name = xstrdup(argv[1]); | |
| 88 | } | |
| 89 | } else | |
| 90 | dbprintf("bad log command, ignored\n"); | |
| 91 | return 0; | |
| 92 | } | |
| 93 | ||
| 94 | void | |
| 95 | logprintf(const char *fmt, ...) | |
| 96 | { | |
| 97 | va_list ap; | |
| 98 | ||
| 99 | if (log_file) { | |
| 100 | va_start(ap, fmt); | |
| 101 | (void)vfprintf(log_file, fmt, ap); | |
| 102 | va_end(ap); | |
| 103 | } | |
| 104 | } | |
| 105 | ||
| 106 | void | |
| 107 | output_init(void) | |
| 108 | { | |
| 109 | add_command(&log_cmd); | |
| 110 | } |