Various includes and typedefs

CVS patchset: 3746
CVS date: 2000/05/22 08:37:23

Perl-RPM/RPM.h

@@ -0,0 +1,98 @@
+/*
+ * $Id: RPM.h,v 1.1 2000/05/22 08:37:23 rjray Exp $
+ *
+ * Various C-specific decls/includes/etc. for the RPM linkage
+ */
+
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+
+#ifndef H_RPM_XS_HDR
+#define H_RPM_XS_HDR
+
+#ifdef Stat
+#  undef Stat
+#endif
+#ifdef Mkdir
+#  undef Mkdir
+#endif
+#ifdef Fstat
+#  undef Fstat
+#endif
+#ifdef Fflush
+#  undef Fflush
+#endif
+
+// Borrowed from DB_File.xs
+#ifndef pTHX
+#    define pTHX
+#    define pTHX_
+#    define aTHX
+#    define aTHX_
+#endif
+
+#ifndef newSVpvn
+#    define newSVpvn(a,b)       newSVpv(a,b)
+#endif
+
+#include <rpm/rpmlib.h>
+#include <rpm/header.h>
+#include <rpm/dbindex.h>
+
+extern const char* sv2key(SV *);
+extern int tag2num(const char *);
+extern const char* num2tag(int);
+
+typedef struct {
+    rpmdb dbp;
+    int current_rec;
+    dbiIndexSet* index_set;
+} RPM_Database;
+
+typedef HV* RPM__Database;
+
+#define new_RPM__Database(x) x = newHV()
+
+typedef struct {
+    Header hdr;
+    // These three tags will probably cover at leas 80% of data requests
+    const char* name;
+    const char* version;
+    const char* release;
+    // These are set by rpmReadPackageHeader when applicable
+    int isSource;   // If this header is for a source RPM (SRPM)
+    int major;      // Major and minor rev numbers of package's format
+    int minor;
+    // Keep a per-header iterator for things like FIRSTKEY and NEXTKEY
+    HeaderIterator iterator;
+    int read_only;
+} RPM_Header;
+
+typedef HV* RPM__Header;
+
+#define new_RPM__Header(x) x = newHV()
+
+#define RPM_HEADER_READONLY 1
+#define RPM_HEADER_FROM_REF 2
+
+// Because the HV* are going to be set magical, the following is needed for
+// explicit fetch and store calls that are done within the tied FETCH/STORE
+#define hv_fetch_nomg(SVP, h, k, kl, f) \
+	SvMAGICAL_off((SV *)(h)); \
+	(SVP) = hv_fetch((h), (k), (kl), (f)); \
+	SvMAGICAL_on((SV *)(h))
+#define hv_store_nomg(h, k, kl, v, f) \
+	SvMAGICAL_off((SV *)(h)); \
+	hv_store((h), (k), (kl), (v), (f)); \
+	SvMAGICAL_on((SV *)(h))
+
+//
+// This silly-looking key is what will be used on the RPM::Header and
+// RPM::Database objects to stash the underlying struct.
+//
+#define STRUCT_KEY "<<<struct>>>"
+// This must match!
+#define STRUCT_KEY_LEN 13
+
+#endif /* H_RPM_XS_HDR */