Hide details of token extraction inside exec.

eval.c

@@ -763,7 +763,7 @@ int setvar(int f, int n)
 			return status;
 	} else {		/* macro line argument */
 		/* grab token and skip it */
-		execstr = token(execstr, var, NVSIZE + 1);
+		gettoken( var, sizeof var) ;
 	}
 
 	/* check the legality and find the var */
@@ -890,7 +890,7 @@ fvar:
 		var[4] = 0;
 		if (strcmp(&var[1], "ind") == 0) {
 			/* grab token, and eval it */
-			execstr = token(execstr, var, size);
+			gettoken( var, size) ;
 			strcpy(var, getval(var));
 			goto fvar;
 		}

exec.c

@@ -27,7 +27,7 @@
 #include "window.h"
 
 
-char *execstr = NULL ;      /* pointer to string to execute */
+static char *execstr = NULL ;	/* pointer to string to execute */
 boolean clexec = FALSE ;    /* command line execution flag  */
 
 
@@ -212,8 +212,7 @@ static int docmd( char *cline) {
  * char *src, *tok; source string, destination token string
  * int size;        maximum size of token
  */
-char *token(char *src, char *tok, int size)
-{
+static char *token( char *src, char *tok, int size) {
     int quotef; /* is the current string quoted? */
     char c; /* temporary character */
 
@@ -279,6 +278,10 @@ char *token(char *src, char *tok, int size)
     return src;
 }
 
+void gettoken( char *tok, int maxtoksize) {
+	execstr = token( execstr, tok, maxtoksize) ;
+}
+
 /*
  * get a macro line argument
  *
@@ -312,7 +315,7 @@ int nextarg(const char *prompt, char *buffer, int size, int terminator)
         return getstring(prompt, buffer, size, terminator);
 
     /* grab token and advance past */
-    execstr = token(execstr, buffer, size);
+	gettoken( buffer, size) ;
 
     /* evaluate it */
     strncpy( buffer, getval( buffer), size - 1) ;

exec.h

@@ -12,7 +12,6 @@ int execproc( int f, int n) ;
 #endif
 
 
-extern char *execstr ;	/* pointer to string to execute */
 extern boolean clexec ;	/* command line execution flag  */
 
 
@@ -20,7 +19,7 @@ extern boolean clexec ;	/* command line execution flag  */
 void ue_system( const char *cmd) ;
 int namedcmd( int f, int n) ;
 int execcmd( int f, int n) ;
-char *token( char *src, char *tok, int size) ;
+void gettoken( char *tok, int maxtoksize) ;
 int macarg( char *tok, int toksz) ;
 int nextarg( const char *prompt, char *buffer, int size, int terminator) ;
 int storemac( int f, int n) ;