コード例 #1
0
ファイル: fdisk_gpt.c プロジェクト: AndrewScull/dizibox
static void
gpt_list_table(int xtra UNUSED_PARAM)
{
	int i;
	char numstr6[6];

	smart_ulltoa5(total_number_of_sectors * sector_size, numstr6, " KMGTPEZY")[0] = '\0';
	printf("Disk %s: %llu sectors, %s\n", disk_device,
		(unsigned long long)total_number_of_sectors,
		numstr6);
	printf("Logical sector size: %u\n", sector_size);
	printf("Disk identifier (GUID): ");
	gpt_print_guid(gpt_hdr->disk_guid);
	printf("\nPartition table holds up to %u entries\n",
		(int)SWAP_LE32(gpt_hdr->n_parts));
	printf("First usable sector is %llu, last usable sector is %llu\n\n",
		(unsigned long long)SWAP_LE64(gpt_hdr->first_usable_lba),
		(unsigned long long)SWAP_LE64(gpt_hdr->last_usable_lba));

	printf("Number  Start (sector)    End (sector)  Size       Code  Name\n");
	for (i = 0; i < n_parts; i++) {
		gpt_partition *p = gpt_part(i);
		if (p->lba_start) {
			smart_ulltoa5((1 + SWAP_LE64(p->lba_end) - SWAP_LE64(p->lba_start)) * sector_size,
				numstr6, " KMGTPEZY")[0] = '\0';
			printf("%4u %15llu %15llu %11s   %04x  ",
				i + 1,
				(unsigned long long)SWAP_LE64(p->lba_start),
				(unsigned long long)SWAP_LE64(p->lba_end),
				numstr6,
				0x0700 /* FIXME */);
			gpt_print_wide(p->name, 18);
			printf("\n");
		}
	}
}
コード例 #2
0
ファイル: progress.c プロジェクト: rehsack/busybox
/* File already had beg_size bytes.
 * Then we started downloading.
 * We downloaded "transferred" bytes so far.
 * Download is expected to stop when total size (beg_size + transferred)
 * will be "totalsize" bytes.
 * If totalsize == 0, then it is unknown.
 */
void FAST_FUNC bb_progress_update(bb_progress_t *p,
		uoff_t beg_size,
		uoff_t transferred,
		uoff_t totalsize)
{
	char numbuf5[6]; /* 5 + 1 for NUL */
	unsigned since_last_update, elapsed;
	int notty;

	//transferred = 1234; /* use for stall detection testing */
	//totalsize = 0; /* use for unknown size download testing */

	elapsed = monotonic_sec();
	since_last_update = elapsed - p->last_update_sec;
	p->last_update_sec = elapsed;

	if (totalsize != 0 && transferred >= totalsize - beg_size) {
		/* Last call. Do not skip this update */
		transferred = totalsize - beg_size; /* sanitize just in case */
	}
	else if (since_last_update == 0) {
		/*
		 * Do not update on every call
		 * (we can be called on every network read!)
		 */
		return;
	}

	/* Before we lose real, unscaled sizes, produce human-readable size string */
	smart_ulltoa5(beg_size + transferred, numbuf5, " kMGTPEZY")[0] = '\0';

	/*
	 * Scale sizes down if they are close to overflowing.
	 * This allows calculations like (100 * transferred / totalsize)
	 * without risking overflow: we guarantee 10 highest bits to be 0.
	 * Introduced error is less than 1 / 2^12 ~= 0.025%
	 */
	while (totalsize >= (1 << 20)) {
		totalsize >>= 8;
		beg_size >>= 8;
		transferred >>= 8;
	}
	/* If they were huge, now they are scaled down to [1048575,4096] range.
	 * (N * totalsize) won't overflow 32 bits for N up to 4096.
	 */
#if ULONG_MAX == 0xffffffff
/* 32-bit CPU, uoff_t arithmetic is complex on it, cast variables to narrower types */
# define totalsize   ((unsigned)totalsize)
# define beg_size    ((unsigned)beg_size)
# define transferred ((unsigned)transferred)
#endif

	notty = !isatty(STDERR_FILENO);

	if (ENABLE_UNICODE_SUPPORT)
		fprintf(stderr, "\r%s " + notty, p->curfile);
	else
		fprintf(stderr, "\r%-20.20s " + notty, p->curfile);

	if (totalsize != 0) {
		int barlength;
		unsigned beg_and_transferred; /* does not need uoff_t, see scaling code */
		unsigned ratio;

		beg_and_transferred = beg_size + transferred;
		ratio = 100 * beg_and_transferred / totalsize;
		/* can't overflow ^^^^^^^^^^^^^^^ */
		fprintf(stderr, "%3u%% ", ratio);

		barlength = get_terminal_width(2) - 48;
		/*
		 * Must reject barlength <= 0 (terminal too narrow). While at it,
		 * also reject: 1-char bar (useless), 2-char bar (ridiculous).
		 */
		if (barlength > 2) {
			if (barlength > 999)
				barlength = 999;
			{
				/* god bless gcc for variable arrays :) */
				char buf[barlength + 1];
				unsigned stars = (unsigned)barlength * beg_and_transferred / totalsize;
				/* can't overflow ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
				memset(buf, ' ', barlength);
				buf[barlength] = '\0';
				memset(buf, '*', stars);
				fprintf(stderr, "|%s| ", buf);
			}
		}
	}

	fputs(numbuf5, stderr); /* "NNNNk" */

	since_last_update = elapsed - p->last_change_sec;
	if ((unsigned)transferred != p->last_size) {
		p->last_change_sec = elapsed;
		p->last_size = (unsigned)transferred;
		if (since_last_update >= STALLTIME) {
			/* We "cut out" these seconds from elapsed time
			 * by adjusting start time */
			p->start_sec += since_last_update;
		}
		since_last_update = 0; /* we are un-stalled now */
	}

	elapsed -= p->start_sec; /* now it's "elapsed since start" */

	if (since_last_update >= STALLTIME) {
		fprintf(stderr, "  - stalled -");
	} else if (!totalsize || !transferred || (int)elapsed < 0) {
		fprintf(stderr, " --:--:-- ETA");
	} else {
		unsigned eta, secs, hours;
		unsigned bytes;

		bytes = totalsize - beg_size;

		/* Estimated remaining time =
		 * estimated_sec_to_dl_bytes - elapsed_sec =
		 * bytes / average_bytes_sec_so_far - elapsed =
		 * bytes / (transferred/elapsed) - elapsed =
		 * bytes * elapsed / transferred - elapsed
		 */
		eta = (unsigned long)bytes * elapsed / transferred - elapsed;
		/* if 32bit, can overflow ^^^^^^^^^^, but this would only show bad ETA */
		if (eta >= 1000*60*60)
			eta = 1000*60*60 - 1;
#if 0
		/* To prevent annoying "back-and-forth" estimation jitter,
		 * if new ETA is larger than the last just by a few seconds,
		 * disregard it, and show last one. The end result is that
		 * ETA usually only decreases, unless download slows down a lot.
		 */
		if ((unsigned)(eta - p->last_eta) < 10)
			eta = p->last_eta;
		p->last_eta = eta;
#endif
		secs = eta % 3600;
		hours = eta / 3600;
		fprintf(stderr, "%3u:%02u:%02u ETA", hours, secs / 60, secs % 60);
	}
	if (notty)
		fputc('\n', stderr);
}
コード例 #3
0
ファイル: ps.c プロジェクト: hajuuk/R7000
static void put_u(char *buf, int size, unsigned u)
{
	char buf5[5];
	smart_ulltoa5( ((unsigned long long)u) << 10, buf5);
	sprintf(buf, "%.*s", size, buf5);
}