If so, that sounds more like a problem with gdb and/or mingw?
Does this installation of gdb work with plain C programs?
On Sun, Aug 21, 2016 at 4:40 PM, Giah de Barag <g...@crelg.com> wrote:
> Further info on this problem with GDB. Here is a C function "prn" that
> takes a char *. If I pass it a C string "foo" from the command-line in GDB,
> it receives a zero. So neither passing NSString convenience variables nor
> passing plain C string convenience variables works on latest GNUstep /
> MINGW32 / MSYS2.
>
> #import <Foundation/Foundation.h>
>
> void prn(char *a)
> {
> // when call prn("foo") from
> // GDB command line breaking
> // here to examine, variable
> // a = 0x0 !!!
> printf("char is \'%s\'\n", a); fflush(stdout);
> }
>
> int main( int argc, const char *argv[] )
> {
> id pool = [NSAutoreleasePool new];
> id foo = @"foo";
> char *s = [foo cString];
> prn(s);
> // now invoke prn from gdb
> // b prn
> // p prn("foo")
> // p a
> // $1 = 0x0
> // "foo" --> 0x0 ???
> [pool release];
> return 0;
> }
>
>
>
>
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