X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-tcl.git;a=blobdiff_plain;f=base%2Fhook.c;h=cdcb246d2c742b945ad8444faad1cd1705529b01;hp=0efc5f1607aabb7539727d681662ce29c46cc089;hb=5d466de467f28ae6f7125bef086d141a7734a4ce;hpb=05bed2aad2154e0e8c084789387bf900c5ee513b

diff --git a/base/hook.c b/base/hook.c
index 0efc5f1..cdcb246 100644
--- a/base/hook.c
+++ b/base/hook.c
@@ -61,10 +61,10 @@ int do_hbytes_rep_info(ClientData cd, Tcl_Interp *ip,
 }
 
 static void hbytes_t_dup(Tcl_Obj *src, Tcl_Obj *dup) {
-  objfreeir(dup);
   hbytes_array(OBJ_HBYTES(dup),
 	       hbytes_data(OBJ_HBYTES(src)),
 	       hbytes_len(OBJ_HBYTES(src)));
+  dup->typePtr= &hbytes_type;
 }
 
 static void hbytes_t_free(Tcl_Obj *o) {
@@ -94,6 +94,34 @@ void obj_updatestr_array(Tcl_Obj *o, const Byte *byte, int l) {
   obj_updatestr_array_prefix(o,byte,l,"");
 }
 
+void obj_updatestr_vstringls(Tcl_Obj *o, ...) {
+  va_list al;
+  char *p;
+  const char *part;
+  int l, pl;
+
+  va_start(al,o);
+  for (l=0; (part= va_arg(al, const char*)); )
+    l+= va_arg(al, int);
+  va_end(al);
+  
+  o->length= l;
+  o->bytes= TALLOC(l+1);
+
+  va_start(al,o);
+  for (p= o->bytes; (part= va_arg(al, const char*)); p += pl) {
+    pl= va_arg(al, int);
+    memcpy(p, part, pl);
+  }
+  va_end(al);
+
+  *p= 0;
+}
+
+void obj_updatestr_string(Tcl_Obj *o, const char *str) {
+  obj_updatestr_vstringls(o, str, strlen(str), (char*)0);
+}
+
 static void hbytes_t_ustr(Tcl_Obj *o) {
   obj_updatestr_array(o,
 		      hbytes_data(OBJ_HBYTES(o)),
@@ -138,17 +166,17 @@ Tcl_ObjType hbytes_type = {
 
 int do_hbytes_raw2h(ClientData cd, Tcl_Interp *ip,
 		    Tcl_Obj *binary, HBytes_Value *result) {
-  const char *str;
+  const unsigned char *str;
   int l;
 
-  str= Tcl_GetStringFromObj(binary,&l);
+  str= Tcl_GetByteArrayFromObj(binary,&l);
   hbytes_array(result, str, l);
   return TCL_OK;
 }
 
 int do_hbytes_h2raw(ClientData cd, Tcl_Interp *ip,
 		    HBytes_Value hex, Tcl_Obj **result) {
-  *result= Tcl_NewStringObj(hbytes_data(&hex), hbytes_len(&hex));
+  *result= Tcl_NewByteArrayObj(hbytes_data(&hex), hbytes_len(&hex));
   return TCL_OK;
 }
 
@@ -169,6 +197,50 @@ int do_hbytes_random(ClientData cd, Tcl_Interp *ip,
   return TCL_OK;
 }  
   
+int do_hbytes_overwrite(ClientData cd, Tcl_Interp *ip,
+			HBytes_Var v, int start, HBytes_Value sub) {
+  int sub_l;
+
+  sub_l= hbytes_len(&sub);
+  if (start < 0)
+    return staticerr(ip, "hbytes overwrite start -ve");
+  if (start + sub_l > hbytes_len(v.hb))
+    return staticerr(ip, "hbytes overwrite out of range");
+  memcpy(hbytes_data(v.hb) + start, hbytes_data(&sub), sub_l);
+  return TCL_OK;
+}
+
+int do_hbytes_trimleft(ClientData cd, Tcl_Interp *ip, HBytes_Var v) {
+  const Byte *o, *p, *e;
+  o= p= hbytes_data(v.hb);
+  e= p + hbytes_len(v.hb);
+
+  while (p<e && !*p) p++;
+  if (p != o)
+    hbytes_unprepend(v.hb, p-o);
+
+  return TCL_OK;
+}
+
+int do_hbytes_repeat(ClientData cd, Tcl_Interp *ip,
+		     HBytes_Value sub, int count, HBytes_Value *result) {
+  int sub_l;
+  Byte *data;
+  const Byte *sub_d;
+
+  sub_l= hbytes_len(&sub);
+  if (count < 0) return staticerr(ip, "hbytes repeat count -ve");
+  if (count > INT_MAX/sub_l) return staticerr(ip, "hbytes repeat too long");
+
+  data= hbytes_arrayspace(result, sub_l*count);
+  sub_d= hbytes_data(&sub);
+  while (count) {
+    memcpy(data, sub_d, sub_l);
+    count--; data += sub_l;
+  }
+  return TCL_OK;
+}  
+
 int do_hbytes_zeroes(ClientData cd, Tcl_Interp *ip,
 		     int length, HBytes_Value *result) {
   Byte *space;
@@ -212,15 +284,21 @@ int do_hbytes_range(ClientData cd, Tcl_Interp *ip,
   return TCL_OK;
 }
   
-int do__hbytes(ClientData cd, Tcl_Interp *ip,
-	       const HBytes_SubCommand *subcmd,
-	       int objc, Tcl_Obj *const *objv) {
+int do_toplevel_hbytes(ClientData cd, Tcl_Interp *ip,
+		       const HBytes_SubCommand *subcmd,
+		       int objc, Tcl_Obj *const *objv) {
   return subcmd->func(0,ip,objc,objv);
 }
 
-int do__dgram_socket(ClientData cd, Tcl_Interp *ip,
-		     const DgramSocket_SubCommand *subcmd,
-		     int objc, Tcl_Obj *const *objv) {
+int do_toplevel_dgram_socket(ClientData cd, Tcl_Interp *ip,
+			     const DgramSocket_SubCommand *subcmd,
+			     int objc, Tcl_Obj *const *objv) {
+  return subcmd->func(0,ip,objc,objv);
+}
+
+int do_toplevel_ulong(ClientData cd, Tcl_Interp *ip,
+		      const ULong_SubCommand *subcmd,
+		      int objc, Tcl_Obj *const *objv) {
   return subcmd->func(0,ip,objc,objv);
 }
 
@@ -250,13 +328,20 @@ int get_urandom(Tcl_Interp *ip, Byte *buffer, int l) {
 }
 
 int Hbytes_Init(Tcl_Interp *ip) {
+  const TopLevel_Command *cmd;
+
   Tcl_RegisterObjType(&hbytes_type);
   Tcl_RegisterObjType(&blockcipherkey_type);
   Tcl_RegisterObjType(&enum_nearlytype);
   Tcl_RegisterObjType(&enum1_nearlytype);
   Tcl_RegisterObjType(&sockaddr_type);
-  Tcl_RegisterObjType(&sockid_type);
-  Tcl_CreateObjCommand(ip, "hbytes",       pa__hbytes,       0,0);
-  Tcl_CreateObjCommand(ip, "dgram-socket", pa__dgram_socket, 0,0);
+  Tcl_RegisterObjType(&dgramsockid_type);
+  Tcl_RegisterObjType(&ulong_type);
+
+  for (cmd=toplevel_commands;
+       cmd->name;
+       cmd++)
+    Tcl_CreateObjCommand(ip, cmd->name, cmd->func, 0,0);
+
   return TCL_OK;
 }