ING_DB

WEGA/contrib/ingres/dbs/src/support/dmp.c

@@ -0,0 +1,141 @@
+/*
+** shared subroutines for relation backup
+**	 extractr and insertr
+*/
+# include	"dmp.h"
+
+# ifdef P8000
+ret_buf		AAjmp_buf;
+# else
+jmp_buf		AAjmp_buf;
+# endif
+
+/* global declarations */
+struct d_hdr	Hdr;
+struct d_rel	Rel;
+union d_tup	Tup;
+int		Fh = -1;
+int		Fp = -1;
+int		No_qm = D_CATS;
+int		D_flag;
+static int	Copen;
+extern DESC	Reldes;
+extern DESC	Attdes;
+extern DESC	Inddes;
+extern DESC	Intdes;
+extern DESC	Prodes;
+extern DESC	Treedes;
+DESC		*Cdesc[D_CATS] =
+		{
+			&Reldes,
+			&Attdes,
+			&Inddes,
+			&Intdes,
+			&Prodes,
+			&Treedes
+		};
+char		*Catalog[D_CATS] =
+		{
+			AA_REL,
+			AA_ATT,
+			AA_INDEX,
+			AA_INTEG,
+			AA_PROTECT,
+			AA_TREE
+		};
+short		Clen[D_CATS] =
+		{
+			ALIGNMENT(sizeof (struct relation)),
+			ALIGNMENT(sizeof (struct attribute)),
+			ALIGNMENT(sizeof (struct index)),
+			ALIGNMENT(sizeof (struct integrity)),
+			ALIGNMENT(sizeof (struct protect)),
+			ALIGNMENT(sizeof (struct tree))
+		};
+extern int	Standalone;
+
+/*
+** OP_CAT	open all catalogs
+*/
+op_cat()
+{
+	register int		i;
+
+	if (Copen++)
+		return (0);
+
+	for (i = D_REL; i < No_qm; i++)
+		opencatalog(Catalog[i], 2);
+
+	if (AAsetcsl(NO_REL) < 0)
+		return (5000);
+
+	Standalone = 0;
+	return (0);
+}
+
+/*
+** CL_CAT	close all catalogs
+*/
+cl_cat(rm)
+register int	rm;
+{
+	register int		i;
+
+	if (rm)
+		unlink(Parmvect[2]);
+
+	if (!Copen)
+		return;
+
+	closecatalog(TRUE);
+
+	AAunlcs(NO_REL);
+
+	/* close AA_USERS */
+	getuser((char *) 0);
+	Copen = 0;
+}
+
+/*
+** RW_HDR	read/write dump header
+*/
+rw_hdr(rwfn)
+int		(*rwfn)();
+{
+	register int		f;
+	extern long		lseek();
+
+	if (lseek(f = Fh, 0L, 0))
+		return (5905);
+	if ((*rwfn)(f, &Hdr, sizeof (struct d_hdr)) != sizeof (struct d_hdr))
+		return (5906);
+	return (0);
+}
+
+/*
+** RW_REL	read/write relation header
+*/
+rw_rel(rel, rwfn)
+register int	rel;
+int		(*rwfn)();
+{
+	register int		f;
+	register long		off;
+	extern long		lseek();
+
+	off = sizeof (struct d_hdr) + (rel * sizeof (struct d_rel));
+	if (lseek(f = Fh, off, 0) != off)
+		return (5907);
+	if ((*rwfn)(f, &Rel, sizeof (struct d_rel)) != sizeof (struct d_rel))
+		return (5908);
+	return (0);
+}
+
+char	*AArelpath(rel)
+register char	*rel;
+{
+	extern char		*AAztack();
+
+	return (AAztack(AAztack(AAdbpath, "/"), rel));
+}