removed the limitation on number of include directories

util/cpp/Makefile

@@ -60,7 +60,7 @@ GSRC =	char.c symbol2str.c
 
 # .h files generated by `make hfiles'; PLEASE KEEP THIS UP-TO-DATE!
 GHSRC =	errout.h idfsize.h ifdepth.h lapbuf.h \
-	maxincl.h nparams.h numsize.h obufsize.h \
+	nparams.h numsize.h obufsize.h \
 	parbufsize.h pathlength.h strsize.h textsize.h \
 	botch_free.h debug.h inputtype.h dobits.h line_prefix.h
 
@@ -141,26 +141,112 @@ clean:
 	rm -f $(LCSRC) $(OBJ) $(GENERATED) $(GSRC) $(GHSRC) chtab.o chtab cpp Out
 
 #AUTOAUTOAUTOAUTOAUTOAUTOAUTOAUTOAUTOAUTO
-LLlex.o: LLlex.h Lpars.h bits.h charoffset.h class.h dobits.h file_info.h idf.h idfsize.h input.h inputtype.h numsize.h strsize.h
-LLmessage.o: LLlex.h Lpars.h file_info.h
+LLlex.o: LLlex.h
+LLlex.o: Lpars.h
+LLlex.o: bits.h
+LLlex.o: charoffset.h
+LLlex.o: class.h
+LLlex.o: dobits.h
+LLlex.o: file_info.h
+LLlex.o: idf.h
+LLlex.o: idfsize.h
+LLlex.o: input.h
+LLlex.o: inputtype.h
+LLlex.o: numsize.h
+LLlex.o: strsize.h
+LLmessage.o: LLlex.h
+LLmessage.o: Lpars.h
+LLmessage.o: file_info.h
 ch7bin.o: Lpars.h
 ch7mon.o: Lpars.h
-domacro.o: LLlex.h Lpars.h bits.h botch_free.h charoffset.h class.h debug.h dobits.h file_info.h idf.h idfsize.h ifdepth.h input.h inputtype.h interface.h macro.h nparams.h parbufsize.h textsize.h
-error.o: LLlex.h errout.h file_info.h
+domacro.o: LLlex.h
+domacro.o: Lpars.h
+domacro.o: bits.h
+domacro.o: botch_free.h
+domacro.o: charoffset.h
+domacro.o: class.h
+domacro.o: debug.h
+domacro.o: dobits.h
+domacro.o: file_info.h
+domacro.o: idf.h
+domacro.o: idfsize.h
+domacro.o: ifdepth.h
+domacro.o: input.h
+domacro.o: inputtype.h
+domacro.o: interface.h
+domacro.o: macro.h
+domacro.o: nparams.h
+domacro.o: parbufsize.h
+domacro.o: textsize.h
+error.o: LLlex.h
+error.o: errout.h
+error.o: file_info.h
 idf.o: idf.h
-init.o: charoffset.h class.h idf.h interface.h macro.h
-input.o: file_info.h input.h inputtype.h
-main.o: file_info.h idfsize.h
-options.o: charoffset.h class.h idf.h idfsize.h macro.h maxincl.h
-preprocess.o: LLlex.h bits.h charoffset.h class.h dobits.h file_info.h idf.h idfsize.h input.h inputtype.h line_prefix.h maxincl.h obufsize.h
-replace.o: LLlex.h charoffset.h class.h debug.h file_info.h idf.h input.h inputtype.h interface.h macro.h pathlength.h textsize.h
-scan.o: charoffset.h class.h idf.h input.h inputtype.h interface.h lapbuf.h macro.h nparams.h
-skip.o: LLlex.h charoffset.h class.h file_info.h input.h inputtype.h
-tokenname.o: LLlex.h Lpars.h file_info.h idf.h
+init.o: charoffset.h
+init.o: class.h
+init.o: idf.h
+init.o: interface.h
+init.o: macro.h
+input.o: file_info.h
+input.o: input.h
+input.o: inputtype.h
+main.o: file_info.h
+main.o: idfsize.h
+options.o: charoffset.h
+options.o: class.h
+options.o: idf.h
+options.o: idfsize.h
+options.o: macro.h
+preprocess.o: LLlex.h
+preprocess.o: bits.h
+preprocess.o: charoffset.h
+preprocess.o: class.h
+preprocess.o: dobits.h
+preprocess.o: file_info.h
+preprocess.o: idf.h
+preprocess.o: idfsize.h
+preprocess.o: input.h
+preprocess.o: inputtype.h
+preprocess.o: line_prefix.h
+preprocess.o: obufsize.h
+replace.o: LLlex.h
+replace.o: charoffset.h
+replace.o: class.h
+replace.o: debug.h
+replace.o: file_info.h
+replace.o: idf.h
+replace.o: input.h
+replace.o: inputtype.h
+replace.o: interface.h
+replace.o: macro.h
+replace.o: pathlength.h
+replace.o: textsize.h
+scan.o: charoffset.h
+scan.o: class.h
+scan.o: idf.h
+scan.o: input.h
+scan.o: inputtype.h
+scan.o: interface.h
+scan.o: lapbuf.h
+scan.o: macro.h
+scan.o: nparams.h
+skip.o: LLlex.h
+skip.o: charoffset.h
+skip.o: class.h
+skip.o: file_info.h
+skip.o: input.h
+skip.o: inputtype.h
+tokenname.o: LLlex.h
+tokenname.o: Lpars.h
+tokenname.o: file_info.h
+tokenname.o: idf.h
 next.o: debug.h
 expr.o: Lpars.h
 tokenfile.o: Lpars.h
-expression.o: LLlex.h Lpars.h file_info.h
+expression.o: LLlex.h
+expression.o: Lpars.h
+expression.o: file_info.h
 Lpars.o: Lpars.h
-char.o: charoffset.h class.h
+char.o: charoffset.h
+char.o: class.h
 symbol2str.o: Lpars.h

util/cpp/Parameters

@@ -24,10 +24,6 @@
 #define	IFDEPTH	256	/* maximum number of nested if-constructions	*/
 
 
-!File: maxincl.h
-#define	MAXINCL	16	/* maximum number of #include directories	*/
-
-
 !File: lapbuf.h
 #define	LAPBUF	4096	/* size of macro actual parameter buffer	*/
 

util/cpp/domacro.c

@@ -25,7 +25,7 @@
 #include	"macro.h"
 #include	"bits.h"
 
-IMPORT char *inctable[];	/* list of include directories		*/
+IMPORT char **inctable;		/* list of include directories		*/
 IMPORT char *getwdir();
 PRIVATE char ifstack[IFDEPTH];	/* if-stack: the content of an entry is	*/
 				/* 1 if a corresponding ELSE has been	*/

util/cpp/main.c

@@ -5,12 +5,12 @@
  */
 /* MAIN PROGRAM */
 
+#include <alloc.h>
 #include "file_info.h"
 #include "idfsize.h"
 
 extern char *symbol2str();
 extern char *getwdir();
-extern char *inctable[];
 extern int err_occurred;
 int idfsize = IDFSIZE;
 
@@ -18,6 +18,9 @@ int ifval;
 
 char *prog_name;
 
+extern char **inctable;
+extern int inc_max, inc_total;
+
 main(argc, argv)
 	char *argv[];
 {
@@ -25,6 +28,12 @@ main(argc, argv)
 	prog_name = argv[0];
 
 	init_idf();
+
+	inctable = (char **) Malloc(10 * sizeof(char *));
+	inc_max = 10;
+	inc_total = 2;
+	inctable[0] = ".";
+	inctable[1] = "/usr/include";
 	init_pp();	/* initialise the preprocessor macros	*/
 
 	/*	Note: source file "-" indicates that the source is supplied

util/cpp/options.c

@@ -7,18 +7,15 @@
 
 #include	<alloc.h>
 #include	"idfsize.h"
-#include	"maxincl.h"
 #include	"class.h"
 #include	"macro.h"
 #include	"idf.h"
 
 char options[128];			/* one for every char	*/
 int inc_pos = 1;			/* place where next -I goes */
-char *inctable[MAXINCL] = {		/* list for includes	*/
-	".",
-	"/usr/include",
-	0
-};
+int inc_max;
+int inc_total;
+char **inctable;
 
 extern int idfsize;
 int txt2int();
@@ -63,15 +60,26 @@ do_option(text)
 	}
 	case 'I' :	/* -Ipath : insert "path" into include list	*/
 		if (*text)	{
-			register int i = inc_pos++;
+			register int i;
 			register char *new = text;
+
+			if (++inc_total > inc_max) {
+				char **n = (char **)
+				   Malloc((10 + inc_max) * sizeof(char *));
+
+				for (i = 0; i < inc_max; i++) {
+					n[i] = inctable[i];
+				}
+				free((char *) inctable);
+				inctable = n;
+				inc_max += 10;
+			}
 			
+			i = inc_pos++;
 			while (new)	{
 				register char *tmp = inctable[i];
 				
 				inctable[i++] = new;
-				if (i == MAXINCL)
-					fatal("too many -I options");
 				new = tmp;
 			}
 		}

util/cpp/preprocess.c

@@ -7,7 +7,6 @@
 
 #include <system.h>
 #include "input.h"
-#include "maxincl.h"
 #include "obufsize.h"
 #include "LLlex.h"
 #include "class.h"