On Mon, 21 Mar 2011, NightStrike wrote:
On Sun, Mar 20, 2011 at 9:03 PM, Jim Michaels <[email protected]> wrote:
I don't know who to go to to make this change request to the c library
standard (ANSI C Library?).
it would not break any existing code, but it would make the function EVER
more useful!
Microsoft maintains the library. We just consume it. You'd have to
bring this up with MS.
And there is a C standard, and according to it, those macros are plain
wrong. toupper() has to depend on the locale: see e.g.
http://pubs.opengroup.org/onlinepubs/009695399/functions/tolower.html
in ctype.h, these macros should be redefined.
http://msdn.microsoft.com/en-us/library/45119yx3%28VS.80%29.aspx
http://msdn.microsoft.com/en-us/library/8h19t214%28VS.71%29.aspx
#define toupper(ch) ((ch>='a'&&ch<='z')?ch-('a'-'A'):ch)
#define tolower(ch) ((ch>='A'&&ch<='Z')?ch+('a'-'A'):ch)
simple?
the old definition simply subtracts and thus requires an if statement to
properly work - so why did they bother to code this this way in the first
place if they didn't want to plan on it being useful:
if I am correct, the microsoft compiler does the same thing, and it was in
the msdn documentation - until someone took it out.
this is for the ascii definition version. and I'm sure you can simply use a
regular function for the rest (and I thought about inline as a possibility
for the more complex stuff that needs real if statements).
I am having to code my own versions of these.
-------------
Jim Michaels
[email protected]
[email protected]
http://JimsComputerRepairandWebDesign.com
http://JesusnJim.com (my personal site, has software)
http://DoLifeComputers.JesusnJim.com (group which I lead)
---
Computer memory/disk size measurements:
[KB KiB] [MB MiB] [GB GiB] [TB TiB]
[10^3B=1,000B=1KB][2^10B=1,024B=1KiB]
[10^6B=1,000,000B=1MB][2^20B=1,048,576B=1MiB]
[10^9B=1,000,000,000B=1GB][2^30B=1,073,741,824B=1GiB]
[10^12B=1,000,000,000,000B=1TB][2^40B=1,099,511,627,776B=1TiB]
Note: disk size is measured in MB, GB, or TB, not in MiB, GiB, or TiB.
computer memory (RAM) is measured in MiB and GiB.
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--
Brian D. Ripley, [email protected]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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