Fixed portability problems with va_copy. In three places, calls to fstat

had to be replaced by calls to stat, because fileno is no longer available
when forcing the compiler into pure c89 (or c99) mode.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3683 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ar65/make/gcc.mak

@@ -5,7 +5,7 @@
 # Library dir
 COMMON	= ../common
 
-CFLAGS 	= -g -O2 -Wall -W -I$(COMMON)
+CFLAGS 	= -g -O2 -Wall -W -std=c89 -I$(COMMON)
 CC	= gcc
 EBIND	= emxbind
 LDFLAGS	=
@@ -56,6 +56,6 @@ zap:	clean
 .PHONY: depend dep
 depend dep:	$(OBJS:.o=.c)
 	@echo "Creating dependency information"
-	$(CC) -I$(COMMON) -MM $^ > .depend
+	$(CC) $(CFLAGS) -MM $^ > .depend
 
 

src/ar65/objfile.c

@@ -142,7 +142,7 @@ void ObjWriteHeader (FILE* Obj, ObjHeader* H)
     Write32 (Obj, H->StrPoolOffs);
     Write32 (Obj, H->StrPoolSize);
     Write32 (Obj, H->AssertOffs);
-    Write32 (Obj, H->AssertSize);  
+    Write32 (Obj, H->AssertSize);
     Write32 (Obj, H->ScopeOffs);
     Write32 (Obj, H->ScopeSize);
 }
@@ -164,8 +164,15 @@ void ObjAdd (const char* Name)
 	Error ("Could not open `%s': %s", Name, strerror (errno));
     }
 
-    /* Get the modification time of the object file */
-    if (fstat (fileno (Obj), &StatBuf) != 0) {
+    /* Get the modification time of the object file. There a race condition 
+     * here, since we cannot use fileno() (non standard identifier in standard
+     * header file), and therefore not fstat. When using stat with the    
+     * file name, there's a risk that the file was deleted and recreated
+     * while it was open. Since mtime and size are only used to check
+     * if a file has changed in the debugger, we will ignore this problem
+     * here.
+     */
+    if (stat (Name, &StatBuf) != 0) {
 	Error ("Cannot stat object file `%s': %s", Name, strerror (errno));
     }