Simon
could you please file a bug report here?
http://savannah.gnu.org/bugs/?group=gengetopt
thanks in advance
Lorenzo
On 09/03/2012 03:06 PM, Simon Josefsson wrote:
Hi. In OATH Toolkit I started to use the 'longlong' feature recently,
to be able to specify 64-bit integers. However I noticed that it
doesn't really work well. There are two reasons for this:
1) The generated code use the HAVE_LONG_LONG pre-processor symbol to
check whether 'long long' is available. I didn't have that symbol
defined, I did have HAVE_LONG_LONG_INT defined via gnulib. This issue
could be resolved with improved documentation, stating that you need to
make sure HAVE_LONG_LONG is defined when building.
2) The generated code uses 'strtol' to convert values. This function
does not handle larger values. The code looks like this:
#ifdef HAVE_LONG_LONG
if (val) *((long long int*)field) = (long long int) strtol (val,
&stop_char, 0);
#else
if (val) *((long *)field) = (long)strtol (val, &stop_char, 0);
#endif
Changing 'strtol' to 'strtoll' works. I'm guessing platforms with 'long
long' have 'strtoll' as well, but I can't guarantee it.
/Simon
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Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
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