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21c4e167 H |
1 | /* Copyright (C) 2008 Ricardo Catalinas Jiménez <jimenezrick@gmail.com> |
2 | * | |
3 | * This program is free software: you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation, either version 3 of the License, or | |
6 | * (at your option) any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | ||
17 | #include "fm.h" | |
18 | ||
19 | char *program_name; | |
20 | ||
21 | void print_errno_and_exit(int last_errno, char *file, int line) | |
22 | { | |
23 | char *message_format = "%s (%s:%i)"; | |
24 | char *message; | |
25 | ||
26 | endwin(); | |
27 | message = g_strdup_printf(message_format, program_name, file, line); | |
28 | errno = last_errno; | |
29 | perror(message); | |
30 | free(message); | |
31 | exit(EXIT_FAILURE); | |
32 | } | |
33 | ||
34 | void handle_sigsegv(int signal_number) | |
35 | { | |
36 | endwin(); | |
37 | fprintf(stderr, "%s\n", g_strsignal(SIGSEGV)); | |
38 | exit(EXIT_FAILURE); | |
39 | } | |
40 | ||
41 | void handle_sigint(int signal_number) | |
42 | { | |
43 | endwin(); | |
44 | exit(EXIT_SUCCESS); | |
45 | } | |
46 | ||
47 | void set_sighandlers(void) | |
48 | { | |
49 | struct sigaction act; | |
50 | ||
51 | act.sa_handler = handle_sigsegv; | |
52 | sigemptyset(&act.sa_mask); | |
53 | act.sa_flags = 0; | |
54 | sigaction(SIGSEGV, &act, NULL); | |
55 | ||
56 | act.sa_handler = handle_sigint; | |
57 | sigaction(SIGINT, &act, NULL); | |
58 | ||
59 | act.sa_handler = handle_sigwinch; | |
60 | sigaction(SIGWINCH, &act, NULL); | |
61 | } | |
62 | ||
63 | void unset_sighandlers(void) | |
64 | { | |
65 | struct sigaction act; | |
66 | ||
67 | act.sa_handler = SIG_IGN; | |
68 | sigemptyset(&act.sa_mask); | |
69 | act.sa_flags = 0; | |
70 | ||
71 | sigaction(SIGSEGV, &act, NULL); | |
72 | sigaction(SIGINT, &act, NULL); | |
73 | sigaction(SIGWINCH, &act, NULL); | |
74 | } | |
75 | ||
76 | int main(int argc, char *argv[]) | |
77 | { | |
78 | if (argc > 1 && !strcmp(argv[1], "-h")) { | |
79 | printf("Usage: fm [<root_directory>]\n"); | |
80 | return 0; | |
81 | } | |
82 | ||
83 | if (setlocale(LC_ALL, "") == NULL) | |
84 | fprintf(stderr, "Error: Can't set the specified locale\n"); | |
85 | ||
86 | set_sighandlers(); | |
87 | program_name = argv[0]; | |
88 | if (argc == 1) | |
89 | init_ui(NULL); | |
90 | else | |
91 | init_ui(argv[1]); | |
92 | for (;;) { | |
93 | get_key(); | |
94 | refresh_screen(); | |
95 | } | |
96 | return 0; | |
97 | } |