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sanity check font files

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tater 2018-06-27 04:00:22 +00:00
parent 0acf59403f
commit b0860ceca3
1 changed files with 21 additions and 12 deletions
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33
tdfiglet.c
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@ -59,7 +59,7 @@ typedef struct glyph_s {
cell_t *cell;
} glyph_t;
typedef struct __attribute__((packed)) font_s {
typedef struct font_s {
uint8_t namelen;
uint8_t *name;
uint8_t fonttype;
@ -71,16 +71,8 @@ typedef struct __attribute__((packed)) font_s {
uint8_t height;
} font_t;
char *magic = "\x13TheDraw FONTS file\x1a";
char *charlist = "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNO"
"PQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
/* thedraw colors DRK BRT BRT BRT RED BRT */
/* thedraw colors BLK BLU GRN CYN RED MAG BRN GRY GRY BLU GRN CYN RED PNK YLW WHT */
uint8_t fgacolors[] = {30, 34, 32, 36, 31, 35, 33, 37, 90, 94, 92, 96, 91, 95, 93, 97};
uint8_t bgacolors[] = {40, 44, 42, 46, 41, 45, 43, 47};
uint8_t fgmcolors[] = { 1, 2, 3, 10, 5, 6, 7, 15, 14, 12, 9, 11, 4, 13, 8, 0};
uint8_t bgmcolors[] = { 1, 2, 3, 10, 5, 6, 7, 15, 14, 12, 9, 11, 4, 13, 8, 0};
const char *charlist = "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNO"
"PQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
void usage(void);
font_t *loadfont(char *fn);
@ -211,6 +203,8 @@ font_t
size_t len;
uint8_t *p;
const char *magic = "\x13TheDraw FONTS file\x1a";
fd = open(fn, O_RDONLY);
if (opt.info) {
@ -263,7 +257,13 @@ font_t
printf("font: %s\nchar list: ", font->name);
}
for (int i = 0; i < NUM_CHARS; i++)
for (int i = 0; i < NUM_CHARS; i++) {
/* check for invalid glyph addresses */
if (charlist[i] + &map[233] > map + st.st_size) {
perror(NULL);
exit(EX_NOINPUT);
}
if (lookupchar(charlist[i], font) > -1) {
if (opt.info) {
@ -275,6 +275,7 @@ font_t
font->height = *p;
}
}
}
if (opt.info) {
printf("\n");
@ -406,9 +407,17 @@ ibmtoutf8(char *a, char *u)
void
printcolor(uint8_t color)
{
uint8_t fg = color & 0x0f;
uint8_t bg = (color & 0xf0) >> 4;
/* thedraw colors DRK BRT BRT BRT RED BRT */
/* thedraw colors BLK BLU GRN CYN RED MAG BRN GRY GRY BLU GRN CYN RED PNK YLW WHT */
uint8_t fgacolors[] = {30, 34, 32, 36, 31, 35, 33, 37, 90, 94, 92, 96, 91, 95, 93, 97};
uint8_t bgacolors[] = {40, 44, 42, 46, 41, 45, 43, 47};
uint8_t fgmcolors[] = { 1, 2, 3, 10, 5, 6, 7, 15, 14, 12, 9, 11, 4, 13, 8, 0};
uint8_t bgmcolors[] = { 1, 2, 3, 10, 5, 6, 7, 15, 14, 12, 9, 11, 4, 13, 8, 0};
if (opt.color == COLOR_ANSI) {
printf("\x1b[");
printf("%d;", fgacolors[fg]);