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author | Erik Andersen <andersen@codepoet.org> | 2000-02-08 19:58:47 +0000 |
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committer | Erik Andersen <andersen@codepoet.org> | 2000-02-08 19:58:47 +0000 |
commit | e49d5ecbbe51718fa925b6890a735e5937cc2aa2 (patch) | |
tree | c90bda10731ad9333ce3b404f993354c9fc104b8 /console-tools/loadfont.c | |
parent | c0bf817bbc5c7867fbe8fb76d5c39f8ee802692f (diff) | |
download | busybox-w32-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.tar.gz busybox-w32-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.tar.bz2 busybox-w32-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.zip |
Some formatting updates (ran the code through indent)
-Erik
Diffstat (limited to 'console-tools/loadfont.c')
-rw-r--r-- | console-tools/loadfont.c | 196 |
1 files changed, 98 insertions, 98 deletions
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c index e44525d9c..64b725610 100644 --- a/console-tools/loadfont.c +++ b/console-tools/loadfont.c | |||
@@ -1,3 +1,4 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
1 | /* | 2 | /* |
2 | * loadfont.c - Eugene Crosser & Andries Brouwer | 3 | * loadfont.c - Eugene Crosser & Andries Brouwer |
3 | * | 4 | * |
@@ -30,72 +31,69 @@ | |||
30 | #define PSF_SEPARATOR 0xFFFF | 31 | #define PSF_SEPARATOR 0xFFFF |
31 | 32 | ||
32 | static const char loadfont_usage[] = "loadfont\n" | 33 | static const char loadfont_usage[] = "loadfont\n" |
33 | "\n" | 34 | "\n" "\tLoad a console font from standard input.\n" "\n"; |
34 | "\tLoad a console font from standard input.\n" | ||
35 | "\n"; | ||
36 | 35 | ||
37 | struct psf_header | 36 | struct psf_header { |
38 | { | 37 | unsigned char magic1, magic2; /* Magic number */ |
39 | unsigned char magic1, magic2; /* Magic number */ | 38 | unsigned char mode; /* PSF font mode */ |
40 | unsigned char mode; /* PSF font mode */ | 39 | unsigned char charsize; /* Character size */ |
41 | unsigned char charsize; /* Character size */ | ||
42 | }; | 40 | }; |
43 | 41 | ||
44 | #define PSF_MAGIC_OK(x) ((x).magic1 == PSF_MAGIC1 && (x).magic2 == PSF_MAGIC2) | 42 | #define PSF_MAGIC_OK(x) ((x).magic1 == PSF_MAGIC1 && (x).magic2 == PSF_MAGIC2) |
45 | 43 | ||
46 | static void loadnewfont(int fd); | 44 | static void loadnewfont(int fd); |
47 | 45 | ||
48 | extern int | 46 | extern int loadfont_main(int argc, char **argv) |
49 | loadfont_main(int argc, char **argv) | ||
50 | { | 47 | { |
51 | int fd; | 48 | int fd; |
52 | 49 | ||
53 | fd = open("/dev/tty0", O_RDWR); | 50 | fd = open("/dev/tty0", O_RDWR); |
54 | if (fd < 0) { | 51 | if (fd < 0) { |
55 | fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); | 52 | fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); |
56 | return 1; | 53 | return 1; |
57 | } | 54 | } |
58 | loadnewfont(fd); | 55 | loadnewfont(fd); |
59 | 56 | ||
60 | return 0; | 57 | return 0; |
61 | } | 58 | } |
62 | 59 | ||
63 | static void | 60 | static void do_loadfont(int fd, char *inbuf, int unit, int fontsize) |
64 | do_loadfont(int fd, char *inbuf, int unit, int fontsize) { | 61 | { |
65 | char buf[16384]; | 62 | char buf[16384]; |
66 | int i; | 63 | int i; |
67 | 64 | ||
68 | memset(buf,0,sizeof(buf)); | 65 | memset(buf, 0, sizeof(buf)); |
69 | 66 | ||
70 | if (unit < 1 || unit > 32) { | 67 | if (unit < 1 || unit > 32) { |
71 | fprintf(stderr, "Bad character size %d\n", unit); | 68 | fprintf(stderr, "Bad character size %d\n", unit); |
72 | exit(1); | 69 | exit(1); |
73 | } | 70 | } |
74 | 71 | ||
75 | for (i = 0; i < fontsize; i++) | 72 | for (i = 0; i < fontsize; i++) |
76 | memcpy(buf+(32*i), inbuf+(unit*i), unit); | 73 | memcpy(buf + (32 * i), inbuf + (unit * i), unit); |
77 | 74 | ||
78 | #if defined( PIO_FONTX ) && !defined( __sparc__ ) | 75 | #if defined( PIO_FONTX ) && !defined( __sparc__ ) |
79 | { | 76 | { |
80 | struct consolefontdesc cfd; | 77 | struct consolefontdesc cfd; |
81 | 78 | ||
82 | cfd.charcount = fontsize; | 79 | cfd.charcount = fontsize; |
83 | cfd.charheight = unit; | 80 | cfd.charheight = unit; |
84 | cfd.chardata = buf; | 81 | cfd.chardata = buf; |
85 | 82 | ||
86 | if (ioctl(fd, PIO_FONTX, &cfd) == 0) | 83 | if (ioctl(fd, PIO_FONTX, &cfd) == 0) |
87 | return; /* success */ | 84 | return; /* success */ |
88 | perror("PIO_FONTX ioctl error (trying PIO_FONT)"); | 85 | perror("PIO_FONTX ioctl error (trying PIO_FONT)"); |
89 | } | 86 | } |
90 | #endif | 87 | #endif |
91 | if (ioctl(fd, PIO_FONT, buf)) { | 88 | if (ioctl(fd, PIO_FONT, buf)) { |
92 | perror("PIO_FONT ioctl error"); | 89 | perror("PIO_FONT ioctl error"); |
93 | exit(1); | 90 | exit(1); |
94 | } | 91 | } |
95 | } | 92 | } |
96 | 93 | ||
97 | static void | 94 | static void |
98 | do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) { | 95 | do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) |
96 | { | ||
99 | struct unimapinit advice; | 97 | struct unimapinit advice; |
100 | struct unimapdesc ud; | 98 | struct unimapdesc ud; |
101 | struct unipair *up; | 99 | struct unipair *up; |
@@ -103,23 +101,24 @@ do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) { | |||
103 | int glyph; | 101 | int glyph; |
104 | u_short unicode; | 102 | u_short unicode; |
105 | 103 | ||
106 | maxct = tailsz; /* more than enough */ | 104 | maxct = tailsz; /* more than enough */ |
107 | up = (struct unipair *) malloc(maxct * sizeof(struct unipair)); | 105 | up = (struct unipair *) malloc(maxct * sizeof(struct unipair)); |
106 | |||
108 | if (!up) { | 107 | if (!up) { |
109 | fprintf(stderr, "Out of memory?\n"); | 108 | fprintf(stderr, "Out of memory?\n"); |
110 | exit(1); | 109 | exit(1); |
111 | } | 110 | } |
112 | for (glyph = 0; glyph < fontsize; glyph++) { | 111 | for (glyph = 0; glyph < fontsize; glyph++) { |
113 | while (tailsz >= 2) { | 112 | while (tailsz >= 2) { |
114 | unicode = (((u_short) inbuf[1]) << 8) + inbuf[0]; | 113 | unicode = (((u_short) inbuf[1]) << 8) + inbuf[0]; |
115 | tailsz -= 2; | 114 | tailsz -= 2; |
116 | inbuf += 2; | 115 | inbuf += 2; |
117 | if (unicode == PSF_SEPARATOR) | 116 | if (unicode == PSF_SEPARATOR) |
118 | break; | 117 | break; |
119 | up[ct].unicode = unicode; | 118 | up[ct].unicode = unicode; |
120 | up[ct].fontpos = glyph; | 119 | up[ct].fontpos = glyph; |
121 | ct++; | 120 | ct++; |
122 | } | 121 | } |
123 | } | 122 | } |
124 | 123 | ||
125 | /* Note: after PIO_UNIMAPCLR and before PIO_UNIMAP | 124 | /* Note: after PIO_UNIMAPCLR and before PIO_UNIMAP |
@@ -128,33 +127,33 @@ do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) { | |||
128 | advice.advised_hashsize = 0; | 127 | advice.advised_hashsize = 0; |
129 | advice.advised_hashstep = 0; | 128 | advice.advised_hashstep = 0; |
130 | advice.advised_hashlevel = 0; | 129 | advice.advised_hashlevel = 0; |
131 | if(ioctl(fd, PIO_UNIMAPCLR, &advice)) { | 130 | if (ioctl(fd, PIO_UNIMAPCLR, &advice)) { |
132 | #ifdef ENOIOCTLCMD | 131 | #ifdef ENOIOCTLCMD |
133 | if (errno == ENOIOCTLCMD) { | 132 | if (errno == ENOIOCTLCMD) { |
134 | fprintf(stderr, "It seems this kernel is older than 1.1.92\n"); | 133 | fprintf(stderr, "It seems this kernel is older than 1.1.92\n"); |
135 | fprintf(stderr, "No Unicode mapping table loaded.\n"); | 134 | fprintf(stderr, "No Unicode mapping table loaded.\n"); |
136 | } else | 135 | } else |
137 | #endif | 136 | #endif |
138 | perror("PIO_UNIMAPCLR"); | 137 | perror("PIO_UNIMAPCLR"); |
139 | exit(1); | 138 | exit(1); |
140 | } | 139 | } |
141 | ud.entry_ct = ct; | 140 | ud.entry_ct = ct; |
142 | ud.entries = up; | 141 | ud.entries = up; |
143 | if(ioctl(fd, PIO_UNIMAP, &ud)) { | 142 | if (ioctl(fd, PIO_UNIMAP, &ud)) { |
144 | #if 0 | 143 | #if 0 |
145 | if (errno == ENOMEM) { | 144 | if (errno == ENOMEM) { |
146 | /* change advice parameters */ | 145 | /* change advice parameters */ |
147 | } | 146 | } |
148 | #endif | 147 | #endif |
149 | perror("PIO_UNIMAP"); | 148 | perror("PIO_UNIMAP"); |
150 | exit(1); | 149 | exit(1); |
151 | } | 150 | } |
152 | } | 151 | } |
153 | 152 | ||
154 | static void | 153 | static void loadnewfont(int fd) |
155 | loadnewfont(int fd) { | 154 | { |
156 | int unit; | 155 | int unit; |
157 | char inbuf[32768]; /* primitive */ | 156 | char inbuf[32768]; /* primitive */ |
158 | int inputlth, offset; | 157 | int inputlth, offset; |
159 | 158 | ||
160 | /* | 159 | /* |
@@ -178,57 +177,58 @@ loadnewfont(int fd) { | |||
178 | 177 | ||
179 | /* test for psf first */ | 178 | /* test for psf first */ |
180 | { | 179 | { |
181 | struct psf_header psfhdr; | 180 | struct psf_header psfhdr; |
182 | int fontsize; | 181 | int fontsize; |
183 | int hastable; | 182 | int hastable; |
184 | int head0, head; | 183 | int head0, head; |
185 | 184 | ||
186 | if (inputlth < sizeof(struct psf_header)) | 185 | if (inputlth < sizeof(struct psf_header)) |
187 | goto no_psf; | 186 | goto no_psf; |
188 | 187 | ||
189 | psfhdr = * (struct psf_header *) &inbuf[0]; | 188 | psfhdr = *(struct psf_header *) &inbuf[0]; |
190 | 189 | ||
191 | if (!PSF_MAGIC_OK(psfhdr)) | 190 | if (!PSF_MAGIC_OK(psfhdr)) |
192 | goto no_psf; | 191 | goto no_psf; |
193 | 192 | ||
194 | if (psfhdr.mode > PSF_MAXMODE) { | 193 | if (psfhdr.mode > PSF_MAXMODE) { |
195 | fprintf(stderr, "Unsupported psf file mode\n"); | 194 | fprintf(stderr, "Unsupported psf file mode\n"); |
196 | exit(1); | 195 | exit(1); |
197 | } | 196 | } |
198 | fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256); | 197 | fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256); |
199 | #if !defined( PIO_FONTX ) || defined( __sparc__ ) | 198 | #if !defined( PIO_FONTX ) || defined( __sparc__ ) |
200 | if (fontsize != 256) { | 199 | if (fontsize != 256) { |
201 | fprintf(stderr, "Only fontsize 256 supported\n"); | 200 | fprintf(stderr, "Only fontsize 256 supported\n"); |
202 | exit(1); | 201 | exit(1); |
203 | } | 202 | } |
204 | #endif | 203 | #endif |
205 | hastable = (psfhdr.mode & PSF_MODEHASTAB); | 204 | hastable = (psfhdr.mode & PSF_MODEHASTAB); |
206 | unit = psfhdr.charsize; | 205 | unit = psfhdr.charsize; |
207 | head0 = sizeof(struct psf_header); | 206 | head0 = sizeof(struct psf_header); |
208 | head = head0 + fontsize*unit; | 207 | |
209 | if (head > inputlth || (!hastable && head != inputlth)) { | 208 | head = head0 + fontsize * unit; |
210 | fprintf(stderr, "Input file: bad length\n"); | 209 | if (head > inputlth || (!hastable && head != inputlth)) { |
211 | exit(1); | 210 | fprintf(stderr, "Input file: bad length\n"); |
212 | } | 211 | exit(1); |
213 | do_loadfont(fd, inbuf + head0, unit, fontsize); | 212 | } |
214 | if (hastable) | 213 | do_loadfont(fd, inbuf + head0, unit, fontsize); |
215 | do_loadtable(fd, inbuf + head, inputlth-head, fontsize); | 214 | if (hastable) |
216 | return; | 215 | do_loadtable(fd, inbuf + head, inputlth - head, fontsize); |
216 | return; | ||
217 | } | 217 | } |
218 | no_psf: | 218 | no_psf: |
219 | 219 | ||
220 | /* file with three code pages? */ | 220 | /* file with three code pages? */ |
221 | if (inputlth == 9780) { | 221 | if (inputlth == 9780) { |
222 | offset = 40; | 222 | offset = 40; |
223 | unit = 16; | 223 | unit = 16; |
224 | } else { | 224 | } else { |
225 | /* bare font */ | 225 | /* bare font */ |
226 | if (inputlth & 0377) { | 226 | if (inputlth & 0377) { |
227 | fprintf(stderr, "Bad input file size\n"); | 227 | fprintf(stderr, "Bad input file size\n"); |
228 | exit(1); | 228 | exit(1); |
229 | } | 229 | } |
230 | offset = 0; | 230 | offset = 0; |
231 | unit = inputlth/256; | 231 | unit = inputlth / 256; |
232 | } | 232 | } |
233 | do_loadfont(fd, inbuf+offset, unit, 256); | 233 | do_loadfont(fd, inbuf + offset, unit, 256); |
234 | } | 234 | } |