Differential D24189 Diff 69871 usr.sbin/vidcontrol/vidcontrol.c

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usr.sbin/vidcontrol/vidcontrol.c

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static struct {		static struct {
int active_vty;		int active_vty;
vid_info_t console_info;		vid_info_t console_info;
unsigned char screen_map[256];		unsigned char screen_map[256];
int video_mode_number;		int video_mode_number;
struct video_info video_mode_info;		struct video_info video_mode_info;
} cur_info;		} cur_info;

struct vt4font_header {
uint8_t magic[8];
uint8_t width;
uint8_t height;
uint16_t pad;
uint32_t glyph_count;
uint32_t map_count[4];
} __packed;

static int hex = 0;		static int hex = 0;
static int vesa_cols;		static int vesa_cols;
static int vesa_rows;		static int vesa_rows;
static int font_height;		static int font_height;
static int vt4_mode = 0;		static int vt4_mode = 0;
static int video_mode_changed;		static int video_mode_changed;
static struct video_info new_mode_info;		static struct video_info new_mode_info;

▲ Show 20 Lines • Show All 296 Lines • ▼ Show 20 Lines	load_vt4mappingtable(unsigned int nmappings, FILE *f)

if (fread(t, sizeof t nmappings, 1, f) != 1) {		if (fread(t, sizeof t nmappings, 1, f) != 1) {
warn("read mappings");		warn("read mappings");
free(t);		free(t);
return (NULL);		return (NULL);
}		}

for (i = 0; i < nmappings; i++) {		for (i = 0; i < nmappings; i++) {
t[i].src = be32toh(t[i].src);		t[i].vfm_src = be32toh(t[i].vfm_src);
t[i].dst = be16toh(t[i].dst);		t[i].vfm_dst = be16toh(t[i].vfm_dst);
t[i].len = be16toh(t[i].len);		t[i].vfm_len = be16toh(t[i].vfm_len);
}		}

return (t);		return (t);
}		}

/*		/*
* Set the default vt font.		* Set the default vt font.
*/		*/

static void		static void
load_default_vt4font(void)		load_default_vt4font(void)
{		{
if (ioctl(0, PIO_VFONT_DEFAULT) == -1) {		if (ioctl(0, PIO_VFONT_DEFAULT) == -1) {
revert();		revert();
err(1, "loading default vt font");		err(1, "loading default vt font");
}		}
}		}

static void		static void
load_vt4font(FILE *f)		load_vt4font(FILE *f)
{		{
struct vt4font_header fh;		struct font_header fh;
static vfnt_t vfnt;		static vfnt_t vfnt;
size_t glyphsize;		size_t glyphsize;
unsigned int i;		unsigned int i;

if (fread(&fh, sizeof fh, 1, f) != 1) {		if (fread(&fh, sizeof fh, 1, f) != 1) {
warn("read file_header");		warn("read file_header");
return;		return;
}		}

if (memcmp(fh.magic, "VFNT0002", 8) != 0) {		if (memcmp(fh.fh_magic, "VFNT0002", 8) != 0) {
warnx("bad magic in font file\n");		warnx("bad magic in font file\n");
return;		return;
}		}

for (i = 0; i < VFNT_MAPS; i++)		for (i = 0; i < VFNT_MAPS; i++)
vfnt.map_count[i] = be32toh(fh.map_count[i]);		vfnt.map_count[i] = be32toh(fh.fh_map_count[i]);
vfnt.glyph_count = be32toh(fh.glyph_count);		vfnt.glyph_count = be32toh(fh.fh_glyph_count);
vfnt.width = fh.width;		vfnt.width = fh.fh_width;
vfnt.height = fh.height;		vfnt.height = fh.fh_height;

glyphsize = howmany(vfnt.width, 8) * vfnt.height * vfnt.glyph_count;		glyphsize = howmany(vfnt.width, 8) * vfnt.height * vfnt.glyph_count;
if ((vfnt.glyphs = malloc(glyphsize)) == NULL) {		if ((vfnt.glyphs = malloc(glyphsize)) == NULL) {
warn("malloc");		warn("malloc");
return;		return;
}		}

if (fread(vfnt.glyphs, glyphsize, 1, f) != 1) {		if (fread(vfnt.glyphs, glyphsize, 1, f) != 1) {
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