Add function to retrieve rpm config base directory

- one-shot to determine configuration base directory path from
  RPM_CONFIGDIR environement or build-time default
- rpmfileutil is a bit strange place, this would really belong to librpm
  but Lua initialization needs the path so...

1 files changed, 11 insertions, 0 deletions

diff --git a/rpmio/rpmfileutil.c b/rpmio/rpmfileutil.c
index 5d2220e5b..7762c26cf 100644
--- a/rpmio/rpmfileutil.c
+++ b/rpmio/rpmfileutil.c
@@ -25,6 +25,8 @@
 
 #include "debug.h"
 
+static const char *rpm_config_dir = NULL;
+
 static int open_dso(const char * path, pid_t * pidp, rpm_loff_t *fsizep)
 {
     static const char * cmd = NULL;
@@ -727,3 +729,12 @@ int rpmMkdirs(const char *root, const char *pathstr)
     argvFree(dirs);
     return rc;
 }
+
+const char *rpmConfigDir(void)
+{
+    if (rpm_config_dir == NULL) {
+	char *rpmenv = getenv("RPM_CONFIGDIR");
+	rpm_config_dir = rpmenv ? xstrdup(rpmenv) : RPMCONFIGDIR;
+    }
+    return rpm_config_dir;
+}