diff options
Diffstat (limited to 'libffi/testsuite/libffi.call/return_uc.c')
-rw-r--r-- | libffi/testsuite/libffi.call/return_uc.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/return_uc.c b/libffi/testsuite/libffi.call/return_uc.c new file mode 100644 index 000000000..07c45de51 --- /dev/null +++ b/libffi/testsuite/libffi.call/return_uc.c @@ -0,0 +1,38 @@ +/* Area: ffi_call + Purpose: Check return value unsigned char. + Limitations: none. + PR: none. + Originator: From the original ffitest.c */ + +/* { dg-do run } */ +#include "ffitest.h" + +static unsigned char return_uc(unsigned char uc) +{ + return uc; +} + +int main (void) +{ + ffi_cif cif; + ffi_type *args[MAX_ARGS]; + void *values[MAX_ARGS]; + ffi_arg rint; + + unsigned char uc; + + args[0] = &ffi_type_uchar; + values[0] = &uc; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, + &ffi_type_uchar, args) == FFI_OK); + + for (uc = (unsigned char) '\x00'; + uc < (unsigned char) '\xff'; uc++) + { + ffi_call(&cif, FFI_FN(return_uc), &rint, values); + CHECK(rint == (signed int) uc); + } + exit(0); +} |