diff options
Diffstat (limited to 'ext/fiddle/conversions.c')
| -rw-r--r-- | ext/fiddle/conversions.c | 75 |
1 files changed, 64 insertions, 11 deletions
diff --git a/ext/fiddle/conversions.c b/ext/fiddle/conversions.c index 6e0ce36378..796bf929c3 100644 --- a/ext/fiddle/conversions.c +++ b/ext/fiddle/conversions.c @@ -1,3 +1,5 @@ +#include <stdbool.h> + #include <fiddle.h> VALUE @@ -44,6 +46,7 @@ rb_fiddle_type_ensure(VALUE type) ID ptrdiff_t_id; ID intptr_t_id; ID uintptr_t_id; + ID bool_id; RUBY_CONST_ID(void_id, "void"); RUBY_CONST_ID(voidp_id, "voidp"); RUBY_CONST_ID(char_id, "char"); @@ -74,6 +77,7 @@ rb_fiddle_type_ensure(VALUE type) RUBY_CONST_ID(ptrdiff_t_id, "ptrdiff_t"); RUBY_CONST_ID(intptr_t_id, "intptr_t"); RUBY_CONST_ID(uintptr_t_id, "uintptr_t"); + RUBY_CONST_ID(bool_id, "bool"); if (type_id == void_id) { return INT2NUM(TYPE_VOID); } @@ -144,6 +148,9 @@ rb_fiddle_type_ensure(VALUE type) else if (type_id == uintptr_t_id) { return INT2NUM(TYPE_UINTPTR_T); } + else if (type_id == bool_id) { + return INT2NUM(TYPE_BOOL); + } else { type = original_type; } @@ -187,6 +194,20 @@ rb_fiddle_int_to_ffi_type(int type) return &ffi_type_double; case TYPE_CONST_STRING: return &ffi_type_pointer; + case TYPE_BOOL: + signed_p = 0; + if (sizeof(bool) == sizeof(char)) { + return rb_ffi_type_of(char); + } else if (sizeof(bool) == sizeof(short)) { + return rb_ffi_type_of(short); + } else if (sizeof(bool) == sizeof(int)) { + return rb_ffi_type_of(int); + } else if (sizeof(bool) == sizeof(long)) { + return rb_ffi_type_of(long); + } else { + rb_raise(rb_eNotImpError, "bool isn't supported: %u", + (unsigned int)sizeof(bool)); + } default: rb_raise(rb_eRuntimeError, "unknown type %d", type); } @@ -209,34 +230,38 @@ rb_fiddle_value_to_generic(int type, VALUE *src, fiddle_generic *dst) dst->pointer = NUM2PTR(rb_Integer(*src)); break; case TYPE_CHAR: - dst->schar = (signed char)NUM2INT(*src); + if (RB_TYPE_P(*src, RUBY_T_STRING) && RSTRING_LEN(*src) == 1) { + dst->schar = RSTRING_PTR(*src)[0]; + } else { + dst->schar = (signed char)NUM2INT(*src); + } break; - case -TYPE_CHAR: + case TYPE_UCHAR: dst->uchar = (unsigned char)NUM2UINT(*src); break; case TYPE_SHORT: dst->sshort = (unsigned short)NUM2INT(*src); break; - case -TYPE_SHORT: + case TYPE_USHORT: dst->sshort = (signed short)NUM2UINT(*src); break; case TYPE_INT: dst->sint = NUM2INT(*src); break; - case -TYPE_INT: + case TYPE_UINT: dst->uint = NUM2UINT(*src); break; case TYPE_LONG: dst->slong = NUM2LONG(*src); break; - case -TYPE_LONG: + case TYPE_ULONG: dst->ulong = NUM2ULONG(*src); break; #if HAVE_LONG_LONG case TYPE_LONG_LONG: dst->slong_long = NUM2LL(*src); break; - case -TYPE_LONG_LONG: + case TYPE_ULONG_LONG: dst->ulong_long = NUM2ULL(*src); break; #endif @@ -254,8 +279,23 @@ rb_fiddle_value_to_generic(int type, VALUE *src, fiddle_generic *dst) dst->pointer = rb_string_value_cstr(src); } break; + case TYPE_BOOL: + if (sizeof(bool) == sizeof(char)) { + dst->uchar = RB_TEST(*src); + } else if (sizeof(bool) == sizeof(short)) { + dst->ushort = RB_TEST(*src); + } else if (sizeof(bool) == sizeof(int)) { + dst->uint = RB_TEST(*src); + } else if (sizeof(bool) == sizeof(long)) { + dst->ulong = RB_TEST(*src); + } else { + rb_raise(rb_eNotImpError, "bool isn't supported: %u", + (unsigned int)sizeof(bool)); + } + break; default: rb_raise(rb_eRuntimeError, "unknown type %d", type); + break; } } @@ -283,24 +323,24 @@ rb_fiddle_generic_to_value(VALUE rettype, fiddle_generic retval) PTR2NUM((void *)retval.pointer)); case TYPE_CHAR: return INT2NUM((signed char)retval.fffi_sarg); - case -TYPE_CHAR: + case TYPE_UCHAR: return INT2NUM((unsigned char)retval.fffi_arg); case TYPE_SHORT: return INT2NUM((signed short)retval.fffi_sarg); - case -TYPE_SHORT: + case TYPE_USHORT: return INT2NUM((unsigned short)retval.fffi_arg); case TYPE_INT: return INT2NUM((signed int)retval.fffi_sarg); - case -TYPE_INT: + case TYPE_UINT: return UINT2NUM((unsigned int)retval.fffi_arg); case TYPE_LONG: return LONG2NUM(retval.slong); - case -TYPE_LONG: + case TYPE_ULONG: return ULONG2NUM(retval.ulong); #if HAVE_LONG_LONG case TYPE_LONG_LONG: return LL2NUM(retval.slong_long); - case -TYPE_LONG_LONG: + case TYPE_ULONG_LONG: return ULL2NUM(retval.ulong_long); #endif case TYPE_FLOAT: @@ -314,6 +354,19 @@ rb_fiddle_generic_to_value(VALUE rettype, fiddle_generic retval) else { return Qnil; } + case TYPE_BOOL: + if (sizeof(bool) == sizeof(char)) { + return CBOOL2RBBOOL((unsigned char)retval.fffi_arg); + } else if (sizeof(bool) == sizeof(short)) { + return CBOOL2RBBOOL((unsigned short)retval.fffi_arg); + } else if (sizeof(bool) == sizeof(int)) { + return CBOOL2RBBOOL((unsigned int)retval.fffi_arg); + } else if (sizeof(bool) == sizeof(long)) { + return CBOOL2RBBOOL(retval.ulong); + } else { + rb_raise(rb_eNotImpError, "bool isn't supported: %u", + (unsigned int)sizeof(bool)); + } default: rb_raise(rb_eRuntimeError, "unknown type %d", type); } |