Mail Archives: cygwin/1999/10/14/12:29:04
Hello,
[ I have sent this message already on Monday to this list, however,
I have not received it myself nor can I find it in the archives,
so I try my luck again, sorry for a possible duplication. ]
I am using gcc version "2.95 19990728 (release)" under the cygnus
shell version (output of uname -a) "CYGWIN_95-4.0 IHFPCUJ 21.0
(0.8/1/1) 1999-1-16 00:09:28 i586 unknown" (the latest beta release,
no snapshot).
I have problems with the sscanf function processing data of type
long long, the following short code illustrates this:
---------------------------------------
#include <stdio.h>
int main()
{
long long ll;
/* this initialisation will result in a correct output: */
/* ll = 0; */
/* this initialisation will result in an incorrect output */
ll = -9999999999;
sscanf ("123456789", "%lld", &ll);
printf ("%lld\n", ll);
return (0);
}
---------------------------------------
The code as printed above gives the incorrect output
-12761445099
to the screen. However, if the statement
ll = -9999999999;
is replaced by the initialisation
ll = 0;
then the output is correct:
123456789
When ll is not being initialised, then the output is unpredictable.
Executing the same code on a LINUX system with either gcc-2.8.1 or
gcc-2.95.1 results in the correct output in all three cases.
Any ideas? Is this a cygwin gcc bug?
Ulrich
--
Want to unsubscribe from this list?
Send a message to cygwin-unsubscribe AT sourceware DOT cygnus DOT com
- Raw text -