static void omap_ppm_save(const char *filename, uint8_t *data, int w, int h, int linesize, Error **errp) { FILE *f; uint8_t *d, *d1; unsigned int v; int ret, y, x, bpp; 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", w, h, 255); if (ret < 0) { goto write_err; } d1 = data; bpp = linesize / w; for (y = 0; y < h; y ++) { d = d1; for (x = 0; x < w; x ++) { v = *(uint32_t *) d; switch (bpp) { case 2: ret = fputc((v >> 8) & 0xf8, f); if (ret == EOF) { goto write_err; } ret = fputc((v >> 3) & 0xfc, f); if (ret == EOF) { goto write_err; } ret = fputc((v << 3) & 0xf8, f); if (ret == EOF) { goto write_err; } break; case 3: case 4: default: ret = fputc((v >> 16) & 0xff, f); if (ret == EOF) { goto write_err; } ret = fputc((v >> 8) & 0xff, f); if (ret == EOF) { goto write_err; } ret = fputc((v) & 0xff, f); if (ret == EOF) { goto write_err; } break; } d += bpp; } d1 += linesize; } out: fclose(f); return; write_err: error_setg(errp, "failed to write to file '%s': %s", filename, strerror(errno)); unlink(filename); goto out; }