932fdefd |
1 | /* |
2 | * beep: quickly pipe text data into, or out of, the primary X |
3 | * selection |
4 | */ |
5 | |
6 | #include <stdio.h> |
7 | #include <stdlib.h> |
8 | #include <string.h> |
9 | #include <errno.h> |
10 | #include <ctype.h> |
11 | |
12 | #ifndef NO_X11 |
13 | #include <X11/X.h> |
14 | #include <X11/Xlib.h> |
15 | #endif |
16 | |
17 | #include <unistd.h> |
18 | #include <fcntl.h> |
19 | |
20 | const char usagemsg[] = |
21 | "usage: beep [ -v ] [" |
22 | #ifndef NO_X11 |
23 | " -X |" |
24 | #endif |
25 | " -T | -S ]\n" |
26 | "where: " |
27 | #ifndef NO_X11 |
28 | "-X beep using the X display or not at all\n " |
29 | #endif |
30 | "-T beep using /dev/tty or not at all\n" |
31 | " -S beep using standard output or not at all\n" |
32 | " -v log failed and successful beep attempts\n" |
33 | " also: beep --version report version number\n" |
34 | " beep --help display this help text\n" |
35 | " beep --licence display the (MIT) licence text\n" |
36 | ; |
37 | |
38 | void usage(void) { |
39 | fputs(usagemsg, stdout); |
40 | } |
41 | |
42 | const char licencemsg[] = |
43 | "beep is copyright 2006 Simon Tatham.\n" |
44 | "\n" |
45 | "Permission is hereby granted, free of charge, to any person\n" |
46 | "obtaining a copy of this software and associated documentation files\n" |
47 | "(the \"Software\"), to deal in the Software without restriction,\n" |
48 | "including without limitation the rights to use, copy, modify, merge,\n" |
49 | "publish, distribute, sublicense, and/or sell copies of the Software,\n" |
50 | "and to permit persons to whom the Software is furnished to do so,\n" |
51 | "subject to the following conditions:\n" |
52 | "\n" |
53 | "The above copyright notice and this permission notice shall be\n" |
54 | "included in all copies or substantial portions of the Software.\n" |
55 | "\n" |
56 | "THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n" |
57 | "EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n" |
58 | "MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n" |
59 | "NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n" |
60 | "BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n" |
61 | "ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n" |
62 | "CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n" |
63 | "SOFTWARE.\n" |
64 | ; |
65 | |
66 | void licence(void) { |
67 | fputs(licencemsg, stdout); |
68 | } |
69 | |
70 | void version(void) { |
71 | #define SVN_REV "$Revision$" |
72 | char rev[sizeof(SVN_REV)]; |
73 | char *p, *q; |
74 | |
75 | strcpy(rev, SVN_REV); |
76 | |
77 | for (p = rev; *p && *p != ':'; p++); |
78 | if (*p) { |
79 | p++; |
80 | while (*p && isspace((unsigned char)*p)) p++; |
81 | for (q = p; *q && !isspace((unsigned char)*q) && *q != '$'; q++); |
82 | if (*q) *q = '\0'; |
83 | printf("beep revision %s", p); |
84 | } else { |
85 | printf("beep: unknown version"); |
86 | } |
87 | #ifdef NO_X11 |
88 | printf(", compiled without X11"); |
89 | #endif |
90 | putchar('\n'); |
91 | } |
92 | |
93 | int main(int argc, char **argv) { |
94 | #ifndef NO_X11 |
95 | char *display = NULL; |
96 | #endif |
97 | int verbose = 0; |
98 | enum { X11 = 1, TTY = 2, STDOUT = 4 } mode = X11 | TTY | STDOUT; |
99 | char errbuf[4096]; |
100 | int errlen = 0; |
101 | int done = 0; |
102 | char *pname = argv[0]; |
103 | |
104 | /* parse the command line arguments */ |
105 | while (--argc) { |
106 | char *p = *++argv; |
107 | |
108 | #ifndef NO_X11 |
109 | if (!strcmp(p, "-display") || !strcmp(p, "-disp")) { |
110 | if (!argv[1]) { |
111 | fprintf(stderr, "%s: option `%s' expects a parameter\n", |
112 | pname, p); |
113 | return 1; |
114 | } |
115 | display = *++argv, --argc; |
116 | } else if (!strcmp(p, "-X")) { |
117 | mode = X11; |
118 | } else |
119 | #endif |
120 | if (!strcmp(p, "-T")) { |
121 | mode = TTY; |
122 | } else if (!strcmp(p, "-S")) { |
123 | mode = STDOUT; |
124 | } else if (!strcmp(p, "-v")) { |
125 | verbose = 1; |
126 | } else if (!strcmp(p, "--help")) { |
127 | usage(); |
128 | return 0; |
129 | } else if (!strcmp(p, "--version")) { |
130 | version(); |
131 | return 0; |
132 | } else if (!strcmp(p, "--licence") || !strcmp(p, "--license")) { |
133 | licence(); |
134 | return 0; |
135 | } else if (*p=='-') { |
136 | fprintf(stderr, "%s: unrecognised option `%s'\n", pname, p); |
137 | return 1; |
138 | } else { |
139 | fprintf(stderr, "%s: parameter `%s' unexpected\n", pname, p); |
140 | return 1; |
141 | } |
142 | } |
143 | |
144 | #ifndef NO_X11 |
145 | if (!done && (mode & X11)) { |
146 | Display *disp = XOpenDisplay(display); |
147 | if (!disp) { |
148 | errlen += sprintf(errbuf+errlen, |
149 | "%s: unable to open X display\n", pname); |
150 | } else { |
151 | XBell(disp, 0); |
152 | XCloseDisplay(disp); |
153 | if (verbose) { |
154 | errlen += sprintf(errbuf+errlen, |
155 | "%s: successfully beeped via X11\n", pname); |
156 | } |
157 | done = 1; |
158 | } |
159 | } |
160 | #endif |
161 | |
162 | if (!done && (mode & TTY)) { |
163 | int fd = open("/dev/tty", O_WRONLY); |
164 | if (fd < 0) { |
165 | errlen += sprintf(errbuf+errlen, |
166 | "%s: unable to open /dev/tty: %s\n", |
167 | pname, strerror(errno)); |
168 | } else { |
169 | if (write(fd, "\007", 1) < 0) { |
170 | errlen += sprintf(errbuf+errlen, "%s: unable to write to" |
171 | " /dev/tty: %s\n", pname, strerror(errno)); |
172 | } else { |
173 | if (verbose) { |
174 | errlen += sprintf(errbuf+errlen, "%s: successfully beeped" |
175 | " via /dev/tty\n", pname); |
176 | } |
177 | done = 1; |
178 | } |
179 | close(fd); |
180 | } |
181 | } |
182 | |
183 | if (!done && (mode & STDOUT)) { |
184 | if (write(1, "\007", 1) < 0) { |
185 | errlen += sprintf(errbuf+errlen, "%s: unable to write to standard " |
186 | "output: %s\n", pname, strerror(errno)); |
187 | } else { |
188 | if (verbose) { |
189 | errlen += sprintf(errbuf+errlen, "%s: successfully beeped" |
190 | " via standard output\n", pname); |
191 | } |
192 | done = 1; |
193 | } |
194 | } |
195 | |
196 | if (verbose || !done) { |
197 | errbuf[errlen] = '\0'; |
198 | fputs(errbuf, stderr); |
199 | } |
200 | |
201 | return (done ? EXIT_SUCCESS : EXIT_FAILURE); |
202 | } |