Initial revision

CVS patchset: 110
CVS date: 1995/12/27 20:39:27

diff --git a/lib/rpmdb.c b/lib/rpmdb.c
new file mode 100644 (file)
index 0000000..e20b4f4
--- /dev/null
+++ b/lib/rpmdb.c
@@ -0,0 +1,98 @@
+#include <alloca.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "falloc.h"
+#include "rpmerr.h"
+#include "rpmlib.h"
+
+struct rpmdb {
+    faFile pkgs;
+    dbIndex * nameIndex, * fileIndex, * groupIndex;
+};
+
+int rpmdbOpen (char * prefix, rpmdb *rpmdbp, int mode, int perms) {
+    char * filename;
+    struct rpmdb db;
+    
+    filename = alloca(strlen(prefix) + 40);
+
+    strcpy(filename, prefix); 
+    strcat(filename, "/var/lib/rpm/packages.rpm");
+    db.pkgs = faOpen(filename, O_RDWR | O_CREAT, 0644);
+    if (!db.pkgs) {
+       error(RPMERR_DBOPEN, "failed to open %s\n", filename);
+       return 0;
+    }
+    
+    strcpy(filename, prefix); 
+    strcat(filename, "/var/lib/rpm/nameindex.rpm");
+    db.nameIndex = openDBIndex("/var/lib/rpm/nameindex.rpm", 
+                                O_RDWR | O_CREAT, 0644);
+    if (!db.nameIndex) {
+       faClose(db.pkgs);
+       error(RPMERR_DBOPEN, "failed to open %s\n", filename);
+       return 0;
+    }
+    
+    strcpy(filename, prefix); 
+    strcat(filename, "/var/lib/rpm/fileindex.rpm");
+    db.fileIndex = openDBIndex("/var/lib/rpm/fileindex.rpm", 
+                                O_RDWR | O_CREAT, 0644);
+    if (!db.fileIndex) {
+       faClose(db.pkgs);
+       closeDBIndex(db.nameIndex);
+       error(RPMERR_DBOPEN, "failed to open %s\n", filename);
+       return 0;
+    }
+    
+    strcpy(filename, prefix); 
+    strcat(filename, "/var/lib/rpm/groupindex.rpm");
+    db.groupIndex = openDBIndex("/var/lib/rpm/groupindex.rpm", 
+                                O_RDWR | O_CREAT, 0644);
+    if (!db.groupIndex) {
+       faClose(db.pkgs);
+       closeDBIndex(db.nameIndex);
+       closeDBIndex(db.fileIndex);
+       error(RPMERR_DBOPEN, "failed to open %s\n", filename);
+       return 0;
+    }
+
+    *rpmdbp = malloc(sizeof(struct rpmdb));
+    **rpmdbp = db;
+
+    return 1;
+}
+
+int rpmdbCreate (rpmdb db, int mode, int perms);
+    /* this fails if any part of the db already exists */
+
+void rpmdbClose (rpmdb db) {
+    faClose(db->pkgs);
+    closeDBIndex(db->fileIndex);
+    closeDBIndex(db->groupIndex);
+    closeDBIndex(db->nameIndex);
+    free(db);
+}
+
+unsigned int rpmdbFirstRecNum(rpmdb db) {
+    return faFirstOffset(db->pkgs);
+}
+
+unsigned int rpmdbNextRecNum(rpmdb db, unsigned int lastOffset) {
+    /* 0 at end */
+    return faNextOffset(db->pkgs, lastOffset);
+}
+
+Header rpmdbGetRecord(rpmdb db, unsigned int offset) {
+    lseek(db->pkgs->fd, offset, SEEK_SET);
+
+    return readHeader(db->pkgs->fd);
+}
+
+int rpmdbFindByFile(rpmdb db, char * filespec, 
+                   dbIndexSet * matches) {
+    return searchDBIndex(db->fileIndex, filespec, matches);
+}