Den 2009-12-26 18:45 skrev Kiran Prakash:
Hi,
I just recently ugraded to cygwin 1.7
I was modifying iftop to work on cygwin, when I ran into this little bug.
I'm generally not so quick to blame the compiler, but I can't find any
other explanation.
char *tmp, options.interface;
The following works.
if (options.interface[0]=='{')
{
tmp=xmalloc( 32+strlen(options.interface) );
tmp="\\Device\\NPF_";
You need strcpy(tmp, "\\Device\\NPF_") instead of the assignment.
strcat(tmp, options.interface);
xfree(options.interface);
options.interface=tmp;
}
fprintf(stderr, "opening interface:%s\n", options.interface);
This does not.
if (options.interface[0]=='{')
{
tmp=xmalloc( 32+strlen(options.interface) );
tmp="\\Device\\NPF_";
Ditto.
strcat(tmp, options.interface);
xfree(options.interface);
options.interface=tmp;
}
fprintf(stderr, "opening interface:%s\n", tmp);
command line is gcc -g -O2 -L/usr/lib -o iftop.exe ....
Certainly looks like an optimization problem.
Nope.
Also, is gcc 3.4.4 supported on cygwin 1.7 at all ?
Don't know.
Cheers,
Peter
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