From b696bb30932f309838bc67f6bd22b755ef41af79 Mon Sep 17 00:00:00 2001
From: ewt <devnull@localhost>
Date: Mon, 8 Jan 1996 19:16:46 +0000
Subject: [PATCH] added support for retrieving pre/post uninstalls from
 database

CVS patchset: 165
CVS date: 1996/01/08 19:16:46
---
 lib/oldrpmdb.h | 33 ++++++++++++++++++++++-----------
 oldrpmdb.c     | 41 +++++++++++++++++++++++++++++++++++++++--
 2 files changed, 61 insertions(+), 13 deletions(-)

diff --git a/lib/oldrpmdb.h b/lib/oldrpmdb.h
index 985634c..675ac28 100644
--- a/lib/oldrpmdb.h
+++ b/lib/oldrpmdb.h
@@ -5,11 +5,14 @@
 
 #include "oldheader.h"
 
-typedef enum {
+typedef enum
+  {
     RPMDB_NONE, RPMDB_GDBM_ERROR, RPMDB_NO_MEMORY
-} rpm_error;
+  }
+rpm_error;
 
-struct oldrpmdb {
+struct oldrpmdb
+  {
     GDBM_FILE packages;
     GDBM_FILE nameIndex;
     GDBM_FILE pathIndex;
@@ -18,20 +21,23 @@ struct oldrpmdb {
     GDBM_FILE postIndex;
     rpm_error rpmdbError;
     gdbm_error gdbmError;
-};
+  };
 
-enum oldrpmdbFreeType {
+enum oldrpmdbFreeType
+  {
     RPMDB_NOFREE, RPMDB_FREENAME, RPMDB_FREEALL
-};
+  };
 
-struct oldrpmdbLabel {
+struct oldrpmdbLabel
+  {
     char *name, *version, *release;
     enum oldrpmdbFreeType freeType;
     struct oldrpmdbLabel *next;
     int fileNumber;		/* -1 means invalid */
-};
+  };
 
-struct oldrpmdbPackageInfo {
+struct oldrpmdbPackageInfo
+  {
     char *name, *version, *release;
     char *labelstr;
     unsigned int installTime, buildTime;
@@ -44,7 +50,7 @@ struct oldrpmdbPackageInfo {
     char *copyright;
     unsigned int fileCount;
     struct oldrpmFileInfo *files;
-};
+  };
 
 #define RPMDB_READER 1
 
@@ -55,7 +61,12 @@ struct oldrpmdbLabel *oldrpmdbFindPackagesByFile (struct oldrpmdb *oldrpmdb, cha
 struct oldrpmdbLabel *oldrpmdbFindPackagesByLabel (struct oldrpmdb *oldrpmdb,
 						struct oldrpmdbLabel label);
 
-char *oldrpmdbGetPackageGroup (struct oldrpmdb *oldrpmdb, struct oldrpmdbLabel label);
+char *oldrpmdbGetPackageGroup (struct oldrpmdb *oldrpmdb, 
+			       struct oldrpmdbLabel label);
+char *oldrpmdbGetPackagePostun (struct oldrpmdb *oldrpmdb, 
+				struct oldrpmdbLabel label);
+char *oldrpmdbGetPackagePreun (struct oldrpmdb *oldrpmdb, 
+				struct oldrpmdbLabel label);
 char *oldrpmdbGetPackageGif (struct oldrpmdb *oldrpmdb, struct oldrpmdbLabel label,
 			     int *size);
 int oldrpmdbGetPackageInfo (struct oldrpmdb *oldrpmdb, struct oldrpmdbLabel label,
diff --git a/oldrpmdb.c b/oldrpmdb.c
index bf4d61a..0d188c8 100644
--- a/oldrpmdb.c
+++ b/oldrpmdb.c
@@ -10,6 +10,9 @@
 
 static int labelstrlistToLabelList(char * str, int length, 
 				   struct oldrpmdbLabel ** list);
+static char * getScript(char * which, struct oldrpmdb *oldrpmdb, 
+		        struct oldrpmdbLabel label);
+
 static char * prefix = "/var/lib/rpm";
 
 char * oldrpmdbLabelToLabelstr(struct oldrpmdbLabel label, int withFileNum) {
@@ -381,9 +384,43 @@ char * oldrpmdbGetPackageGroup(struct oldrpmdb * oldrpmdb, struct oldrpmdbLabel
     return g;
 }
 
+static char * getScript(char * which, struct oldrpmdb *oldrpmdb, 
+		        struct oldrpmdbLabel label) {
+    datum key, rec;
+    char * labelstr;
+
+    labelstr = oldrpmdbLabelToLabelstr(label, 0);
+    labelstr = realloc(labelstr, strlen(labelstr) + 10);
+    strcat(labelstr, ":");
+    strcat(labelstr, which);
+
+    key.dptr = labelstr;
+    key.dsize = strlen(labelstr);
+    
+    rec = gdbm_fetch(oldrpmdb->postIndex, key);
+    free(labelstr);
+    if (!rec.dptr) {
+	return NULL;
+    }
+
+    printf("found for: %s\n", labelstr);
+
+    return rec.dptr;
+}
+
+char *oldrpmdbGetPackagePostun (struct oldrpmdb *oldrpmdb, 
+				struct oldrpmdbLabel label) {
+    return getScript("post", oldrpmdb, label);
+}
+
+char *oldrpmdbGetPackagePreun (struct oldrpmdb *oldrpmdb, 
+				struct oldrpmdbLabel label) {
+    return getScript("pre", oldrpmdb, label);
+}
+
 /* Returns NULL on error or if no icon exists */
-char * oldrpmdbGetPackageGif(struct oldrpmdb * oldrpmdb, struct oldrpmdbLabel label,
-			  int * size) {
+char * oldrpmdbGetPackageGif(struct oldrpmdb * oldrpmdb, 
+			     struct oldrpmdbLabel label, int * size) {
     datum key, rec;
     char * labelstr;
 
-- 
2.7.4