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util.c - lchat - A line oriented chat front end for ii.
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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 }
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