static void
load_scrnmap(const char *filename)
{
FILE *fd;
int size;
char *name;
scrmap_t scrnmap;
const char *a[] = {"", SCRNMAP_PATH, NULL};
const char *b[] = {filename, NULL};
const char *c[] = {"", ".scm", NULL};
const char *d[] = {"", NULL};
fd = openguess(a, b, c, d, &name);
if (fd == NULL) {
revert();
errx(1, "screenmap file not found");
}
size = sizeof(scrnmap);
if (decode(fd, (char *)&scrnmap, size) != size) {
rewind(fd);
if (fread(&scrnmap, 1, size, fd) != (size_t)size) {
warnx("bad screenmap file");
fclose(fd);
revert();
errx(1, "bad screenmap file");
}
}
if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
revert();
errc(1, errno, "loading screenmap");
}
fclose(fd);
}
static void
load_font(char *type, char *filename)
{
FILE *fd;
int h, i, size, w;
unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */
char *name, *fontmap, size_sufx[6];
const char *a[] = {"", FONT_PATH, NULL};
const char *b[] = {filename, NULL};
const char *c[] = {"", size_sufx, NULL};
const char *d[] = {"", ".fnt", NULL};
vid_info_t vinfo;
struct sizeinfo {
int w;
int h;
unsigned long io;
} sizes[] = {{8, 16, PIO_FONT8x16},
{8, 14, PIO_FONT8x14},
{8, 8, PIO_FONT8x8},
{0, 0, 0}
};
vinfo.size = sizeof(vinfo);
if (ioctl(0, CONS_GETINFO, &vinfo) == -1) {
revert();
errc(1, errno, "obtaining current video mode parameters");
}
snprintf(size_sufx, sizeof(size_sufx), "-8x%d", vinfo.font_size);
fd = openguess(a, b, c, d, &name);
if (fd == NULL) {
revert();
errx(1, "%s: can't load font file", filename);
}
if (type != NULL) {
size = 0;
if (sscanf(type, "%dx%d", &w, &h) == 2) {
for (i = 0; sizes[i].w != 0; i++) {
if (sizes[i].w == w && sizes[i].h == h) {
size = DATASIZE(sizes[i]);
io = sizes[i].io;
font_height = sizes[i].h;
}
}
}
if (size == 0) {
fclose(fd);
revert();
errx(1, "%s: bad font size specification", type);
}
} else {
/* Apply heuristics */
int j;
int dsize[2];
size = DATASIZE(sizes[0]);
fontmap = (char*) malloc(size);
dsize[0] = decode(fd, fontmap, size);
dsize[1] = fsize(fd);
free(fontmap);
size = 0;
for (j = 0; j < 2; j++) {
for (i = 0; sizes[i].w != 0; i++) {
if (DATASIZE(sizes[i]) == dsize[j]) {
size = dsize[j];
io = sizes[i].io;
font_height = sizes[i].h;
j = 2; /* XXX */
break;
}
}
}
if (size == 0) {
fclose(fd);
revert();
errx(1, "%s: can't guess font size", filename);
}
rewind(fd);
}
fontmap = (char*) malloc(size);
if (decode(fd, fontmap, size) != size) {
rewind(fd);
if (fsize(fd) != size ||
fread(fontmap, 1, size, fd) != (size_t)size) {
fclose(fd);
free(fontmap);
revert();
errx(1, "%s: bad font file", filename);
}
}
if (ioctl(0, io, fontmap) == -1) {
revert();
errc(1, errno, "loading font");
}
fclose(fd);
free(fontmap);
}
