/* nice simple functions */
-int do_hbytes_clockincrement(ClientData cd, Tcl_Interp *ip,
- HBytes_Var value, int change, int *result) {
- Byte *data;
- int len, bv;
-
- if (change<-255 || change>255)
- return staticerr(ip,"clockincrement change must be in range -255..255");
-
- len= hbytes_len(value.hb);
- data= hbytes_data(value.hb) + len;
- while (len && change) {
- bv= *--data;
- bv += change;
- *data= bv;
- if (bv<0) change= -1;
- else if (bv>255) change= +1;
- else change= 0;
- len--;
- }
- *result= change;
-
- return TCL_OK;
-}
-
int do_ulong_int2ul(ClientData cd, Tcl_Interp *ip, int v,
- unsigned long *result) {
+ uint32_t *result) {
if (v<0) return staticerr(ip,"cannot convert -ve integer to ulong");
*result= v;
return TCL_OK;
}
+int do_ulong_add(ClientData cd, Tcl_Interp *ip,
+ uint32_t a, uint32_t b, uint32_t *result) {
+ *result= a + b;
+ return TCL_OK;
+}
+
+int do_ulong_subtract(ClientData cd, Tcl_Interp *ip,
+ uint32_t a, uint32_t b, uint32_t *result) {
+ *result= a - b;
+ return TCL_OK;
+}
+
+int do_ulong_compare(ClientData cd, Tcl_Interp *ip,
+ uint32_t a, uint32_t b, int *result) {
+ *result=
+ a == b ? 0 :
+ a < b ? -1 : 1;
+ return TCL_OK;
+}
+
int do_ulong_ul2int(ClientData cd, Tcl_Interp *ip,
- unsigned long v, int *result) {
+ uint32_t v, int *result) {
if (v>INT_MAX) return staticerr(ip,"ulong too large to fit in an int");
*result= v;
return TCL_OK;
}
int do_ulong_mask(ClientData cd, Tcl_Interp *ip,
- unsigned long a, unsigned long b, unsigned long *result) {
+ uint32_t a, uint32_t b, uint32_t *result) {
*result= a & b;
return TCL_OK;
}
int do_ulong_shift(ClientData cd, Tcl_Interp *ip, int right,
- unsigned long v, int bits, unsigned long *result) {
+ uint32_t v, int bits, uint32_t *result) {
if (bits > 32) return staticerr(ip,"shift out of range (32) bits");
*result= (bits==32 ? 0 :
right ? v >> bits : v << bits);
return TCL_OK;
}
-int do_ulong_compare(ClientData cd, Tcl_Interp *ip,
- unsigned long a, unsigned long b,
- int *result) {
- *result= (a==b) ? -1 : (a < b) ? -1 : 1;
- return TCL_OK;
-}
-
/* bitfields */
typedef struct {
const char *name;
int want_arg;
- int (*reader_writer[2])(Tcl_Interp *ip, unsigned long *value_io,
+ int (*reader_writer[2])(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg);
} BitFieldType;
-static int bf_zero_read(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_zero_read(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
if (*value_io) *ok_io= 0;
return TCL_OK;
}
-static int bf_zero_write(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_zero_write(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
*value_io= 0;
return TCL_OK;
}
-static int bf_ignore(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_ignore(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
return TCL_OK;
}
-static int bf_fixed_read(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_fixed_read(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
- unsigned long ul;
+ uint32_t ul;
int rc;
rc= pat_ulong(ip, arg, &ul); if (rc) return rc;
return TCL_OK;
}
-static int bf_ulong_write(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_ulong_write(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
- unsigned long ul;
+ uint32_t ul;
int rc;
rc= pat_ulong(ip, arg, &ul); if (rc) return rc;
return TCL_OK;
}
-static int bf_ulong_read(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_ulong_read(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
return bf_var_read(ip,arg, ret_ulong(ip,*value_io));
}
-static int bf_uint_write(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_uint_write(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
int rc, v;
rc= pat_int(ip, arg, &v); if (rc) return rc;
return TCL_OK;
}
-static int bf_uint_read(Tcl_Interp *ip, unsigned long *value_io,
+static int bf_uint_read(Tcl_Interp *ip, uint32_t *value_io,
int *ok_io, Tcl_Obj *arg) {
if (*value_io > INT_MAX)
return staticerr(ip,"value from bitfield exceeds INT_MAX");
};
static int do_bitfields(Tcl_Interp *ip, int writing, int *ok_r,
- unsigned long *value_io,
+ uint32_t *value_io,
int objc, Tcl_Obj *const *objv) {
const BitFieldType *ftype;
Tcl_Obj *arg;
int sz, pos, rc;
- unsigned long value, sz_mask, this_mask, this_field;
+ uint32_t value, sz_mask, this_mask, this_field;
pos= 32;
value= *value_io;
}
int do_ulong_bitfields2ul(ClientData cd, Tcl_Interp *ip,
- unsigned long base,
+ uint32_t base,
int objc, Tcl_Obj *const *objv,
- unsigned long *result) {
+ uint32_t *result) {
int ok, rc;
*result= base;
}
int do_ulong_ul2bitfields(ClientData cd, Tcl_Interp *ip,
- unsigned long value,
+ uint32_t value,
int objc, Tcl_Obj *const *objv,
int *result) {
return do_bitfields(ip,0,result,&value,objc,objv);
}
-/* conversion to/from hbytes */
-
-#define SIZES \
- DO_SIZE(ulong, 4, 0xffffffffUL, \
- DO_BYTE(0,24) \
- DO_BYTE(1,16) \
- DO_BYTE(2,8) \
- DO_BYTE(3,0)) \
- DO_SIZE(ushort, 2, 0x0000ffffUL, \
- DO_BYTE(0,8) \
- DO_BYTE(1,0))
-
-#define DO_BYTE(index,shift) (data[index] << shift) |
-#define DO_SIZE(ulongint, len, max, bytes) \
- int do_hbytes_h2##ulongint(ClientData cd, Tcl_Interp *ip, \
- HBytes_Value hex, unsigned long *result) { \
- const Byte *data; \
- if (hbytes_len(&hex) != len) \
- return staticerr(ip, #ulongint " must be " #len " bytes"); \
- data= hbytes_data(&hex); \
- *result= (bytes 0); \
- return TCL_OK; \
- }
-SIZES
-#undef DO_BYTE
-#undef DO_SIZE
-
-#define DO_BYTE(index,shift) data[index]= (value >> shift);
-#define DO_SIZE(ulongint, len, max, bytes) \
- int do_hbytes_##ulongint##2h(ClientData cd, Tcl_Interp *ip, \
- unsigned long value, HBytes_Value *result) { \
- Byte *data; \
- if (value > max) return staticerr(ip, #ulongint " too big"); \
- data= hbytes_arrayspace(result,len); \
- bytes \
- return TCL_OK; \
- }
-SIZES
-#undef DO_BYTE
-#undef DO_SIZE
-
/* Arg parsing */
-int pat_ulong(Tcl_Interp *ip, Tcl_Obj *o, unsigned long *val) {
+int pat_ulong(Tcl_Interp *ip, Tcl_Obj *o, uint32_t *val) {
int rc;
rc= Tcl_ConvertToType(ip,o,&ulong_type);
if (rc) return rc;
- *val= *(const unsigned long*)&o->internalRep.longValue;
+ *val= *(const uint32_t*)&o->internalRep.longValue;
return TCL_OK;
}
-Tcl_Obj *ret_ulong(Tcl_Interp *ip, unsigned long val) {
+Tcl_Obj *ret_ulong(Tcl_Interp *ip, uint32_t val) {
Tcl_Obj *o;
o= Tcl_NewObj();
Tcl_InvalidateStringRep(o);
- *(unsigned long*)&o->internalRep.longValue= val;
+ *(uint32_t*)&o->internalRep.longValue= val;
o->typePtr= &ulong_type;
return o;
}
}
static void ulong_t_ustr(Tcl_Obj *o) {
- unsigned long val;
+ uint32_t val;
char buf[11];
- val= *(const unsigned long*)&o->internalRep.longValue;
+ val= *(const uint32_t*)&o->internalRep.longValue;
assert(val <= 0xffffffffUL);
- snprintf(buf,sizeof(buf), "0x%08lx", val);
+ snprintf(buf,sizeof(buf), "%08lx", (unsigned long)val);
obj_updatestr_vstringls(o, buf, sizeof(buf)-1, (char*)0);
}
static int ulong_t_sfa(Tcl_Interp *ip, Tcl_Obj *o) {
char *str, *ep;
- unsigned long ul;
+ uint32_t ul;
+
+ if (o->typePtr == &hbytes_type) {
+ int l;
+ l= hbytes_len(OBJ_HBYTES(o));
+ if (l > 4) return staticerr(ip, "hbytes as ulong must be of length < 4");
+ ul= 0;
+ memcpy((Byte*)&ul + 4 - l, hbytes_data(OBJ_HBYTES(o)), l);
+ ul= htonl(ul);
- str= Tcl_GetString(o);
- errno=0;
- if (str[0]=='0' && str[1]=='b' && str[2]) {
- ul= strtoul(str+2,&ep,2);
} else {
- ul= strtoul(str,&ep,0);
+
+ str= Tcl_GetString(o);
+ errno=0;
+ if (str[0]=='0' && str[1]=='b' && str[2]) {
+ ul= strtoul(str+2,&ep,2);
+ } else if (str[0]=='0' && str[1]=='d' && str[2]) {
+ ul= strtoul(str+2,&ep,10);
+ } else {
+ ul= strtoul(str,&ep,16);
+ }
+ if (*ep || errno) return staticerr(ip, "bad unsigned long value");
+
}
- if (*ep || errno) return staticerr(ip, "bad unsigned long value");
objfreeir(o);
- *(unsigned long*)&o->internalRep.longValue= ul;
+ *(uint32_t*)&o->internalRep.longValue= ul;
+ o->typePtr= &ulong_type;
return TCL_OK;
}
~ian / chiark-tcl.git / blobdiff