1 #include <u.h> 2 #include <libc.h> 3 #include <draw.h> 4 5 static 6 void 7 packinfo(Fontchar *fc, uchar *p, int n) 8 { 9 int j; 10 11 for(j=0; j<=n; j++){ 12 p[0] = fc->x; 13 p[1] = fc->x>>8; 14 p[2] = fc->top; 15 p[3] = fc->bottom; 16 p[4] = fc->left; 17 p[5] = fc->width; 18 fc++; 19 p += 6; 20 } 21 } 22 23 int 24 writesubfont(int fd, Subfont *f) 25 { 26 char hdr[3*12+1]; 27 uchar *data; 28 int nb; 29 30 sprint(hdr, "%11d %11d %11d ", f->n, f->height, f->ascent); 31 if(write(fd, hdr, 3*12) != 3*12){ 32 Err: 33 werrstr("writesubfont: bad write: %r"); 34 return -1; 35 } 36 nb = 6*(f->n+1); 37 data = malloc(nb); 38 if(data == nil) 39 return -1; 40 packinfo(f->info, data, f->n); 41 if(write(fd, data, nb) != nb) 42 goto Err; 43 free(data); 44 return 0; 45 } 46