https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66238
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-09-06
Ever confirmed|0 |1
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
The two first tests are fixed with the patch
[Book15] gcc/work% diff -up
../_clean/gcc/testsuite/gfortran.dg/bind_c_usage_16_c.c
gcc/testsuite/gfortran.dg/bind_c_usage_16_c.c
--- ../_clean/gcc/testsuite/gfortran.dg/bind_c_usage_16_c.c 2009-11-25
18:17:40.000000000 +0100
+++ gcc/testsuite/gfortran.dg/bind_c_usage_16_c.c 2015-09-05
22:17:49.000000000 +0200
@@ -5,13 +5,13 @@
#include <stdlib.h>
-char returnA(char *);
-char returnB(void);
+unsigned char returnA(unsigned char *);
+unsigned char returnB(void);
void test(void);
int main()
{
- char c;
+ unsigned char c;
c = 'z';
c = returnA(&c);
if (c != 'A') abort();
[Book15] gcc/work% diff -up
../_clean/gcc/testsuite/gfortran.dg/bind_c_usage_17_c.c
gcc/testsuite/gfortran.dg/bind_c_usage_17_c.c
--- ../_clean/gcc/testsuite/gfortran.dg/bind_c_usage_17_c.c 2009-11-25
18:17:47.000000000 +0100
+++ gcc/testsuite/gfortran.dg/bind_c_usage_17_c.c 2015-09-05
22:19:22.000000000 +0200
@@ -1,4 +1,4 @@
/* PR fortran/37201.
Linked with bind_c_usage_17.f90. */
-char cdir(void){return '/';}
+unsigned char cdir(void){return '/';}
> For c_char_tests, a possible problem is the declaration of arguments as
> character(c_char), value :: foo
> This declares a character of len c_char and default kind as far as I know.
> According to
> https://gcc.gnu.org/onlinedocs/gfortran/Interoperable-Subroutines-and-Functions.html
> the canonical declaration is rather:
> character(kind=c_char) :: foo(*)
> With the value attribute, I don't know how it should be handled though.
Either I don't understand this or it is not working.
