util.c - lchat - A line oriented chat front end for ii. | |
git clone git://git.suckless.org/lchat | |
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util.c (1700B) | |
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1 /* | |
2 * Copyright (c) 2018-2023 Jan Klemkow <[email protected]> | |
3 * | |
4 * Permission to use, copy, modify, and distribute this software for any | |
5 * purpose with or without fee is hereby granted, provided that the above | |
6 * copyright notice and this permission notice appear in all copies. | |
7 * | |
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANT… | |
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE F… | |
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT … | |
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 */ | |
16 | |
17 #include <stdarg.h> | |
18 #include <stdbool.h> | |
19 #include <stdio.h> | |
20 #include <stdlib.h> | |
21 #include <string.h> | |
22 #include <unistd.h> | |
23 | |
24 void | |
25 die(const char *fmt, ...) | |
26 { | |
27 va_list ap; | |
28 | |
29 va_start(ap, fmt); | |
30 vfprintf(stderr, fmt, ap); | |
31 va_end(ap); | |
32 | |
33 if (fmt[0] && fmt[strlen(fmt)-1] == ':') { | |
34 fputc(' ', stderr); | |
35 perror(NULL); | |
36 } else { | |
37 fputc('\n', stderr); | |
38 } | |
39 | |
40 exit(EXIT_FAILURE); | |
41 } | |
42 | |
43 bool | |
44 bell_match(const char *str, const char *regex_file) | |
45 { | |
46 FILE *fh = NULL; | |
47 char cmd[BUFSIZ]; | |
48 | |
49 if (access(regex_file, R_OK) == -1) | |
50 return true; | |
51 | |
52 snprintf(cmd, sizeof cmd, "exec grep -qf %s", regex_file); | |
53 | |
54 if ((fh = popen(cmd, "w")) == NULL) | |
55 die("popen:"); | |
56 | |
57 if (fputs(str, fh) == EOF) | |
58 die("fputs:"); | |
59 | |
60 if (pclose(fh) == 0) | |
61 return true; | |
62 | |
63 return false; | |
64 } | |
65 | |
66 void | |
67 set_title(const char *term, char *title) | |
68 { | |
69 if (strncmp(term, "screen", 6) == 0) | |
70 printf("\033k%s\033\\", title); | |
71 else | |
72 printf("\033]0;%s\a", title); | |
73 } |