1 files changed, 123 insertions, 0 deletions
diff --git a/src/cmd/sam/multi.c b/src/cmd/sam/multi.c
new file mode 100644
index 00000000..3df0dbee
--- /dev/null
+++ b/src/cmd/sam/multi.c
@@ -0,0 +1,123 @@
+#include "sam.h"
+
+List	file;
+ushort	tag;
+
+File *
+newfile(void)
+{
+	File *f;
+
+	f = fileopen();
+	inslist(&file, 0, (long)f);
+	f->tag = tag++;
+	if(downloaded)
+		outTs(Hnewname, f->tag);
+	/* already sorted; file name is "" */
+	return f;
+}
+
+int
+whichmenu(File *f)
+{
+	int i;
+
+	for(i=0; i<file.nused; i++)
+		if(file.filepptr[i]==f)
+			return i;
+	return -1;
+}
+
+void
+delfile(File *f)
+{
+	int w = whichmenu(f);
+
+	if(w < 0)	/* e.g. x/./D */
+		return;
+	if(downloaded)
+		outTs(Hdelname, f->tag);
+	dellist(&file, w);
+	fileclose(f);
+}
+
+void
+fullname(String *name)
+{
+	if(name->n > 0 && name->s[0]!='/' && name->s[0]!=0)
+		Strinsert(name, &curwd, (Posn)0);
+}
+
+void
+fixname(String *name)
+{
+	String *t;
+	char *s;
+
+	fullname(name);
+	s = Strtoc(name);
+	if(strlen(s) > 0)
+		s = cleanname(s);
+	t = tmpcstr(s);
+	Strduplstr(name, t);
+	free(s);
+	freetmpstr(t);
+
+	if(Strispre(&curwd, name))
+		Strdelete(name, 0, curwd.n);
+}
+
+void
+sortname(File *f)
+{
+	int i, cmp, w;
+	int dupwarned;
+
+	w = whichmenu(f);
+	dupwarned = FALSE;
+	dellist(&file, w);
+	if(f == cmd)
+		i = 0;
+	else{
+		for(i=0; i<file.nused; i++){
+			cmp = Strcmp(&f->name, &file.filepptr[i]->name);
+			if(cmp==0 && !dupwarned){
+				dupwarned = TRUE;
+				warn_S(Wdupname, &f->name);
+			}else if(cmp<0 && (i>0 || cmd==0))
+				break;
+		}
+	}
+	inslist(&file, i, (long)f);
+	if(downloaded)
+		outTsS(Hmovname, f->tag, &f->name);
+}
+
+void
+state(File *f, int cleandirty)
+{
+	if(f == cmd)
+		return;
+	f->unread = FALSE;
+	if(downloaded && whichmenu(f)>=0){	/* else flist or menu */
+		if(f->mod && cleandirty!=Dirty)
+			outTs(Hclean, f->tag);
+		else if(!f->mod && cleandirty==Dirty)
+			outTs(Hdirty, f->tag);
+	}
+	if(cleandirty == Clean)
+		f->mod = FALSE;
+	else
+		f->mod = TRUE;
+}
+
+File *
+lookfile(String *s)
+{
+	int i;
+
+	for(i=0; i<file.nused; i++)
+		if(Strcmp(&file.filepptr[i]->name, s) == 0)
+			return file.filepptr[i];
+	return 0;
+}