static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch, Error **errp) { TCXState *s = opaque; FILE *f; uint8_t *d, *d1, v; uint32_t *s24, *cptr, dval; int ret, y, x; f = fopen(filename, "wb"); if (!f) { error_setg(errp, "failed to open file '%s': %s", filename, strerror(errno)); return; } ret = fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255); if (ret < 0) { goto write_err; } d1 = s->vram; s24 = s->vram24; cptr = s->cplane; for(y = 0; y < s->height; y++) { d = d1; for(x = 0; x < s->width; x++, d++, s24++) { if ((*cptr++ & 0xff000000) == 0x03000000) { // 24-bit direct dval = *s24 & 0x00ffffff; ret = fputc((dval >> 16) & 0xff, f); if (ret == EOF) { goto write_err; } ret = fputc((dval >> 8) & 0xff, f); if (ret == EOF) { goto write_err; } ret = fputc(dval & 0xff, f); if (ret == EOF) { goto write_err; } } else { v = *d; ret = fputc(s->r[v], f); if (ret == EOF) { goto write_err; } ret = fputc(s->g[v], f); if (ret == EOF) { goto write_err; } ret = fputc(s->b[v], f); if (ret == EOF) { goto write_err; } } } d1 += MAXX; } out: fclose(f); return; write_err: error_setg(errp, "failed to write to file '%s': %s", filename, strerror(errno)); unlink(filename); goto out; }