Warnings and spelling fixes.

Correct a variety of spelling errors, and eliminate
a variety of compile time warnings.

elab_expr.cc

@@ -114,7 +114,7 @@ NetEBinary* PEBinary::elaborate_expr(Design*des, NetScope*scope,
 void PEBinary::surpress_operand_sign_if_needed_(NetExpr*lp, NetExpr*rp)
 {
 	// If either operand is unsigned, then treat the whole
-	// expression as unsigned. This test needs to be done hear
+	// expression as unsigned. This test needs to be done here
 	// instead of in *_expr_base_ because it needs to be done
 	// ahead of any subexpression evaluation (because they need to
 	// know their signedness to evaluate) and because there are

tgt-stub/Makefile.in

@@ -77,11 +77,11 @@ install: all installdirs $(libdir)/ivl/stub.tgt \
 $(libdir)/ivl/stub.tgt: ./stub.tgt
 	$(INSTALL_PROGRAM) ./stub.tgt $(libdir)/ivl/stub.tgt
 
-$(libdir)/ivl/stub.conf: ./stub.conf
-	$(INSTALL_DATA) ./stub.conf $(libdir)/ivl/stub.conf
+$(libdir)/ivl/stub.conf: stub.conf
+	$(INSTALL_DATA) $< $(libdir)/ivl/stub.conf
 
-$(libdir)/ivl/stub-s.conf: ./stub-s.conf
-	$(INSTALL_DATA) ./stub-s.conf $(libdir)/ivl/stub-s.conf
+$(libdir)/ivl/stub-s.conf: stub-s.conf
+	$(INSTALL_DATA) $< $(libdir)/ivl/stub-s.conf
 
 installdirs: ../mkinstalldirs
 	$(srcdir)/../mkinstalldirs $(includedir) $(bindir) $(libdir)/ivl

vpi/sys_display.c

@@ -1709,7 +1709,7 @@ static unsigned int get_format_char(char **rtn, int ljust, int plus,
       break;
   }
   free(fmtb);
-  /* We can't use strdup her since %u and %z can insert NULL
+  /* We can't use strdup here since %u and %z can insert NULL
    * characters into the stream. */
   *rtn = malloc(size*sizeof(char));
   memcpy(*rtn, result, size);

vpi/vcd_priv.c

@@ -279,7 +279,6 @@ PLI_INT32 sys_dumpfile_compiletf(PLI_BYTE8 *name)
 {
       vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
       vpiHandle argv = vpi_iterate(vpiArgument, callh);
-      vpiHandle file;
 
       /* Check that there is an argument and that it is a string. */
       if (argv == 0) {

vvp/compile.cc

@@ -1595,7 +1595,7 @@ void compile_fork(char*label, struct symb_s dest, struct symb_s scope)
       code_label_lookup(code, dest.text);
 
 	/* Figure out the target SCOPE. */
-      compile_vpi_lookup((vpiHandle*)&code->scope, scope.text);
+      compile_vpi_lookup(&code->handle, scope.text);
 }
 
 void compile_vpi_call(char*label, char*name, unsigned argc, vpiHandle*argv)

vvp/compile.h

@@ -348,7 +348,7 @@ extern void compile_codelabel(char*label);
  * The parser uses these functions to compile .scope statements.
  * The implementations of these live in the vpi_scope.cc file.
  */
-extern void compile_scope_decl(char*typ, char*lab, char*nam,char*tnam,char*par);
+extern void compile_scope_decl(char*typ, char*lab, char*nam,const char*tnam,char*par);
 extern void compile_scope_recall(char*sym);
 
 /*

vvp/vpi_mcd.cc

@@ -58,14 +58,14 @@ static FILE* logfile;
 void vpi_mcd_init(FILE *log)
 {
 	mcd_table[0].fp = stdout;
-	mcd_table[0].filename = "stdout";
+	mcd_table[0].filename = strdup("stdout");
 
 	fd_table[0].fp = stdin;
-	fd_table[0].filename = "stdin";
+	fd_table[0].filename = strdup("stdin");
 	fd_table[1].fp = stdout;
-	fd_table[1].filename = "stdout";
+	fd_table[1].filename = strdup("stdout");
 	fd_table[2].fp = stderr;
-	fd_table[2].filename = "stderr";
+	fd_table[2].filename = strdup("stderr");
 
 	logfile = log;
 }

vvp/vpi_priv.cc

@@ -886,8 +886,8 @@ vpiHandle vpi_handle_by_name(const char *name, vpiHandle scope)
 
 
 /*
-  We Increment the tow vpi methods  to enable the 
-  read/write SDF delay values from/into
+  We increment the two vpi methods to enable the 
+  read/write of SDF delay values from/into
   the modpath vpiHandle
   
 

vvp/vpi_scope.cc

@@ -316,7 +316,7 @@ static void attach_to_scope_(struct __vpiScope*scope, vpiHandle obj)
  * symbol table and the name is used to construct the actual object.
  */
 void
-compile_scope_decl(char*label, char*type, char*name, char*tname, char*parent)
+compile_scope_decl(char*label, char*type, char*name, const char*tname, char*parent)
 {
       struct __vpiScope*scope = new struct __vpiScope;
       count_vpi_scopes += 1;