xref: /openbsd/usr.sbin/wsfontload/wsfontload.c (revision d7259957)
1 /* $OpenBSD: wsfontload.c,v 1.26 2022/12/04 23:50:51 cheloha Exp $ */
2 /* $NetBSD: wsfontload.c,v 1.2 2000/01/05 18:46:43 ad Exp $ */
3 
4 /*
5  * Copyright (c) 1999
6  *	Matthias Drochner.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  */
29 
30 #include <sys/ioctl.h>
31 #include <sys/stat.h>
32 #include <sys/time.h>
33 #include <sys/types.h>
34 
35 #include <err.h>
36 #include <fcntl.h>
37 #include <limits.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 
43 #include <dev/wscons/wsconsio.h>
44 
45 #define DEFDEV		"/dev/ttyCcfg"
46 #define DEFENC		WSDISPLAY_FONTENC_ISO
47 #define DEFBITORDER	WSDISPLAY_FONTORDER_L2R
48 #define DEFBYTEORDER	WSDISPLAY_FONTORDER_L2R
49 
50 int main(int, char**);
51 static void usage(void);
52 static int getencoding(char *);
53 
54 static void
usage(void)55 usage(void)
56 {
57 	extern char *__progname;
58 
59 	(void)fprintf(stderr,
60 	    "usage: %s [-Bbl] [-e encoding] [-f file] [-h height] [-N name]\n"
61 	    "       %*s [-w width] [fontfile]\n",
62 	    __progname, (int)strlen(__progname), "");
63 	exit(1);
64 }
65 
66 static const struct {
67 	const char *name;
68 	int val;
69 } encodings[] = {
70 	{"iso",  WSDISPLAY_FONTENC_ISO},
71 	{"ibm",  WSDISPLAY_FONTENC_IBM},
72 };
73 
74 int
main(int argc,char * argv[])75 main(int argc, char *argv[])
76 {
77 	char *wsdev, *infile, *p;
78 	struct wsdisplay_font f;
79 	struct wsdisplay_screentype screens;
80 	int c, res, wsfd, ffd, list, i;
81 	int defwidth, defheight;
82 	struct stat stat;
83 	size_t len;
84 	void *buf;
85 	const char *errstr;
86 
87 	wsdev = DEFDEV;
88 	memset(&f, 0, sizeof f);
89 	f.firstchar = f.numchars = -1;
90 	f.encoding = -1;
91 
92 	list = 0;
93 	while ((c = getopt(argc, argv, "bB:e:f:h:lN:w:")) != -1) {
94 		switch (c) {
95 		case 'f':
96 			wsdev = optarg;
97 			break;
98 		case 'w':
99 			f.fontwidth = strtonum(optarg, 1, INT_MAX, &errstr);
100 			if (errstr)
101 				errx(1, "font width is %s: %s", errstr, optarg);
102 			break;
103 		case 'h':
104 			f.fontheight = strtonum(optarg, 1, INT_MAX, &errstr);
105 			if (errstr)
106 				errx(1, "font height is %s: %s",
107 				    errstr, optarg);
108 			break;
109 		case 'e':
110 			f.encoding = getencoding(optarg);
111 			break;
112 		case 'l':
113 			list = 1;
114 			break;
115 		case 'N':
116 			strlcpy(f.name, optarg, WSFONT_NAME_SIZE);
117 			break;
118 		case 'b':
119 			f.bitorder = WSDISPLAY_FONTORDER_R2L;
120 			break;
121 		case 'B':
122 			f.byteorder = WSDISPLAY_FONTORDER_R2L;
123 			break;
124 		default:
125 			usage();
126 			break;
127 		}
128 	}
129 	argc -= optind;
130 	argv += optind;
131 
132 	if (list && argc)
133 		usage();
134 
135 	if (argc > 1)
136 		usage();
137 
138 	wsfd = open(wsdev, O_RDWR);
139 	if (wsfd == -1)
140 		err(2, "open %s", wsdev);
141 
142 	if (list) {
143 		i = 0;
144 		p = " # Name                             Encoding" \
145 		    "  W  H    Chars";
146 		do {
147 			f.index = i;
148 			res = ioctl(wsfd, WSDISPLAYIO_LSFONT, &f);
149 			if (res == 0) {
150 				if (f.name[0]) {
151 					if (p) {
152 						puts(p);
153 						p = NULL;
154 					}
155 					printf("%2d %-32s %8s %2d %2d %8d\n",
156 					    f.index, f.name,
157 					    encodings[f.encoding].name,
158 					    f.fontwidth, f.fontheight,
159 					    f.numchars);
160 				}
161 			}
162 			i++;
163 		} while(res == 0);
164 
165 		close(wsfd);
166 		return (0);
167 	}
168 
169 	if (argc > 0) {
170 		infile = argv[0];
171 		ffd = open(infile, O_RDONLY);
172 		if (ffd == -1)
173 			err(4, "open %s", infile);
174 		if (!*f.name)
175 			strlcpy(f.name, infile, WSFONT_NAME_SIZE);
176 	} else {
177 		infile = "stdin";
178 		ffd = STDIN_FILENO;
179 	}
180 
181 	memset(&screens, 0, sizeof(screens));
182 	res = ioctl(wsfd, WSDISPLAYIO_GETSCREENTYPE, &screens);
183 	if (res == 0) {
184 		/* raster frame buffers */
185 		defwidth = screens.fontwidth;
186 		defheight = screens.fontheight;
187 	} else {
188 		/* text-mode VGA */
189 		defwidth = 8;
190 		defheight = 16;
191 	}
192 
193 	f.index = -1;
194 	if (f.fontwidth == 0)
195 		f.fontwidth = defwidth;
196 	if (f.fontheight == 0)
197 		f.fontheight = defheight;
198 	if (f.stride == 0)
199 		f.stride = (f.fontwidth + 7) / 8;
200 	if (f.encoding < 0)
201 		f.encoding = DEFENC;
202 	if (f.bitorder == 0)
203 		f.bitorder = DEFBITORDER;
204 	if (f.byteorder == 0)
205 		f.byteorder = DEFBYTEORDER;
206 
207 	if (f.firstchar < 0)
208 		f.firstchar = 0;
209 
210 	if (f.numchars < 0) {
211 		f.numchars = 256;
212 		if (argc > 0) {
213 			if (fstat(ffd, &stat) == 0)
214 				f.numchars = stat.st_size /
215 				    f.stride / f.fontheight;
216 		}
217 	}
218 
219 	len = f.fontheight * f.numchars * f.stride;
220 	if (!len)
221 		errx(1, "invalid font size");
222 
223 	buf = malloc(len);
224 	if (!buf)
225 		errx(1, "malloc");
226 	res = read(ffd, buf, len);
227 	if (res == -1)
228 		err(4, "read %s", infile);
229 	if (res != len)
230 		errx(4, "short read on %s", infile);
231 
232 	f.data = buf;
233 
234 	res = ioctl(wsfd, WSDISPLAYIO_LDFONT, &f);
235 	if (res == -1)
236 		err(3, "WSDISPLAYIO_LDFONT");
237 
238 	return (0);
239 }
240 
241 static int
getencoding(char * name)242 getencoding(char *name)
243 {
244 	int i;
245 
246 	for (i = 0; i < sizeof(encodings) / sizeof(encodings[0]); i++)
247 		if (!strcmp(name, encodings[i].name))
248 			return (encodings[i].val);
249 
250 	if (sscanf(name, "%d", &i) != 1)
251 		errx(1, "invalid encoding");
252 	return (i);
253 }
254