diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/dist/Include/tostr.h')
| -rw-r--r-- | cddl/contrib/dtracetoolkit/dist/Include/tostr.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/dist/Include/tostr.h b/cddl/contrib/dtracetoolkit/dist/Include/tostr.h new file mode 100644 index 0000000..6032f6a --- /dev/null +++ b/cddl/contrib/dtracetoolkit/dist/Include/tostr.h @@ -0,0 +1,89 @@ +/* + * tostr.h - DTrace To-String include file. + * + * $Id: tostr.h 36 2007-09-15 06:51:18Z brendan $ + * + * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. + * + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at Docs/cddl1.txt + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * CDDL HEADER END + * + * 16-Sep-2007 Brendan Gregg Created this. + */ + +/* + * NUM_TO_STR(n) - takes a number and returns a string with a prefix, + * intended to fit withen 6 chars. + * + * Input Output + * 0 0 + * 1 1 + * 10 10 + * 999 999 + * 1000 1.0K + * 1100 1.1K + * 10000 10.0K + * 999999 999.0K + * 1000000 1.0M + * 10000000 10.0M + * 999999999 999.9M + */ +#define NUM_TO_STR(n) \ + n >= 1000000 ? \ + strjoin(strjoin(strjoin(lltostr(n / 1000000), "."), \ + lltostr((n % 1000000) / 100000)), "M") : n >= 1000 ? \ + strjoin(strjoin(strjoin(lltostr(n / 1000), "."), \ + lltostr((n % 1000) / 100)), "K") : lltostr(n) + +/* + * BYTES_TO_STR(n) - takes a byte count and returns a string with a prefix, + * intended to fit withen 6 chars. + * + * Input Output + * 0 0 + * 1 1 + * 10 10 + * 999 0.9K + * 1000 0.9K + * 1024 1.0K + * 10240 10.0K + * 1000000 976.5K + * 1048576 1.0M + * 1000000000 953.6M + */ +#define BYTES_TO_STR(n) \ + n >= 1024000 ? \ + strjoin(strjoin(strjoin(lltostr(n / 1048576), "."), \ + lltostr((n % 1048576) / 104858)), "M") : n >= 1000 ? \ + strjoin(strjoin(strjoin(lltostr(n / 1024), "."), \ + lltostr((n % 1024) / 103)), "K") : lltostr(n) + +/* + * US_TO_STR(n) - takes microseconds and returns a string with a prefix, + * intended to fit withen 6 chars. + * + * Input Output + * 0 0 + * 1 1u + * 10 10u + * 999 999u + * 1000 1.0m + * 1100 1.1m + * 10000 10.0m + * 999999 999.0m + */ +#define US_TO_STR(n) \ + n == 0 ? "0" : n >= 1000 ? \ + strjoin(lltostr(n / 1000), "m") : strjoin(lltostr(n), "u") + |
