xref: /openbsd-src/usr.sbin/wsfontload/wsfontload.c (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1 /* $OpenBSD: wsfontload.c,v 1.16 2015/09/06 20:07:46 tobias 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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed for the NetBSD Project
19  *	by Matthias Drochner.
20  * 4. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  */
35 
36 #include <sys/ioctl.h>
37 #include <sys/stat.h>
38 #include <sys/time.h>
39 #include <sys/types.h>
40 
41 #include <err.h>
42 #include <fcntl.h>
43 #include <limits.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <unistd.h>
48 
49 #include <dev/wscons/wsconsio.h>
50 
51 #define DEFDEV		"/dev/ttyCcfg"
52 #define DEFENC		WSDISPLAY_FONTENC_ISO
53 #define DEFBITORDER	WSDISPLAY_FONTORDER_L2R
54 #define DEFBYTEORDER	WSDISPLAY_FONTORDER_L2R
55 
56 int main(int, char**);
57 static void usage(void);
58 static int getencoding(char *);
59 
60 static void
61 usage(void)
62 {
63 	extern char *__progname;
64 
65 	(void)fprintf(stderr,
66 	    "usage: %s [-Bbl] [-e encoding] [-f file] [-h height] [-N name]\n"
67 	    "       %*s [-w width] [fontfile]\n",
68 	    __progname, (int)strlen(__progname), "");
69 	exit(1);
70 }
71 
72 static const struct {
73 	const char *name;
74 	int val;
75 } encodings[] = {
76 	{"iso",  WSDISPLAY_FONTENC_ISO},
77 	{"ibm",  WSDISPLAY_FONTENC_IBM},
78 #if 0
79 	{"pcvt", WSDISPLAY_FONTENC_PCVT},
80 	{"iso7", WSDISPLAY_FONTENC_ISO7},
81 #endif
82 };
83 
84 int
85 main(int argc, char *argv[])
86 {
87 	char *wsdev, *infile, *p;
88 	struct wsdisplay_font f;
89 	int c, res, wsfd, ffd, type, list, i;
90 	int defwidth, defheight;
91 	struct stat stat;
92 	size_t len;
93 	void *buf;
94 	const char *errstr;
95 
96 	wsdev = DEFDEV;
97 	memset(&f, 0, sizeof f);
98 	f.firstchar = f.numchars = -1;
99 	f.encoding = -1;
100 
101 	list = 0;
102 	while ((c = getopt(argc, argv, "bB:e:f:h:lN:w:")) != -1) {
103 		switch (c) {
104 		case 'f':
105 			wsdev = optarg;
106 			break;
107 		case 'w':
108 			f.fontwidth = strtonum(optarg, 1, INT_MAX, &errstr);
109 			if (errstr)
110 				errx(1, "font width is %s: %s", errstr, optarg);
111 			break;
112 		case 'h':
113 			f.fontheight = strtonum(optarg, 1, INT_MAX, &errstr);
114 			if (errstr)
115 				errx(1, "font height is %s: %s",
116 				    errstr, optarg);
117 			break;
118 		case 'e':
119 			f.encoding = getencoding(optarg);
120 			break;
121 		case 'l':
122 			list = 1;
123 			break;
124 		case 'N':
125 			strlcpy(f.name, optarg, WSFONT_NAME_SIZE);
126 			break;
127 		case 'b':
128 			f.bitorder = WSDISPLAY_FONTORDER_R2L;
129 			break;
130 		case 'B':
131 			f.byteorder = WSDISPLAY_FONTORDER_R2L;
132 			break;
133 		case '?':
134 		default:
135 			usage();
136 			break;
137 		}
138 	}
139 	argc -= optind;
140 	argv += optind;
141 
142 	if (list && argc)
143 		usage();
144 
145 	if (argc > 1)
146 		usage();
147 
148 	wsfd = open(wsdev, O_RDWR, 0);
149 	if (wsfd < 0)
150 		err(2, "open %s", wsdev);
151 
152 	if (list) {
153 		i = 0;
154 		p = " # Name             Encoding  W  H";
155 		do {
156 			f.index = i;
157 			res = ioctl(wsfd, WSDISPLAYIO_LSFONT, &f);
158 			if (res == 0) {
159 				if (f.name[0]) {
160 					if (p) {
161 						puts(p);
162 						p = NULL;
163 					}
164 					printf("%2d %-16s %8s %2d %2d\n",
165 					    f.index, f.name,
166 					    encodings[f.encoding].name,
167 					    f.fontwidth, f.fontheight);
168 				}
169 			}
170 			i++;
171 		} while(res == 0);
172 
173 		return (0);
174 	}
175 
176 	if (argc > 0) {
177 		infile = argv[0];
178 		ffd = open(infile, O_RDONLY, 0);
179 		if (ffd < 0)
180 			err(4, "open %s", infile);
181 		if (!*f.name)
182 			strlcpy(f.name, infile, WSFONT_NAME_SIZE);
183 	} else {
184 		infile = "stdin";
185 		ffd = STDIN_FILENO;
186 	}
187 
188 	res = ioctl(wsfd, WSDISPLAYIO_GTYPE, &type);
189 	if (res != 0)
190 		type = WSDISPLAY_TYPE_UNKNOWN;
191 
192 	switch (type) {
193 	/* text-mode VGA */
194 	case WSDISPLAY_TYPE_ISAVGA:
195 	case WSDISPLAY_TYPE_PCIVGA:
196 		defwidth = 8;
197 		defheight = 16;
198 		break;
199 	/* raster frame buffers */
200 	default:
201 		/* XXX ought to be computed from the frame buffer resolution */
202 		defwidth = 12;
203 		defheight = 22;
204 		break;
205 	}
206 
207 	f.index = -1;
208 	if (f.fontwidth == 0)
209 		f.fontwidth = defwidth;
210 	if (f.fontheight == 0)
211 		f.fontheight = defheight;
212 	if (f.stride == 0)
213 		f.stride = (f.fontwidth + 7) / 8;
214 	if (f.encoding < 0)
215 		f.encoding = DEFENC;
216 	if (f.bitorder == 0)
217 		f.bitorder = DEFBITORDER;
218 	if (f.byteorder == 0)
219 		f.byteorder = DEFBYTEORDER;
220 
221 	if (f.firstchar < 0)
222 		f.firstchar = 0;
223 
224 	if (f.numchars < 0) {
225 		f.numchars = 256;
226 		if (argc > 0) {
227 			if (fstat(ffd, &stat) == 0)
228 				f.numchars = stat.st_size /
229 				    f.stride / f.fontheight;
230 		}
231 	}
232 
233 	len = f.fontheight * f.numchars * f.stride;
234 	if (!len)
235 		errx(1, "invalid font size");
236 
237 	buf = malloc(len);
238 	if (!buf)
239 		errx(1, "malloc");
240 	res = read(ffd, buf, len);
241 	if (res < 0)
242 		err(4, "read %s", infile);
243 	if (res != len)
244 		errx(4, "short read on %s", infile);
245 
246 	f.data = buf;
247 
248 	res = ioctl(wsfd, WSDISPLAYIO_LDFONT, &f);
249 	if (res < 0)
250 		err(3, "WSDISPLAYIO_LDFONT");
251 
252 	return (0);
253 }
254 
255 static int
256 getencoding(char *name)
257 {
258 	int i;
259 
260 	for (i = 0; i < sizeof(encodings) / sizeof(encodings[0]); i++)
261 		if (!strcmp(name, encodings[i].name))
262 			return (encodings[i].val);
263 
264 	if (sscanf(name, "%d", &i) != 1)
265 		errx(1, "invalid encoding");
266 	return (i);
267 }
268