[lxc-devel] [patch 3/6] [draft] Add variables resolution in confile fstab

[Andrian Nord]

This is patch, that adds variables into config file. Still, it's
depending on previous patch that adds config.include (you may see state
structure)

Signed-off-by: Andrian Nord <NightNord at gmail.com>

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index f2a6f65..f44ae8b 100644
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -38,6 +38,7 @@
 
 #include <lxc/lxc.h>
 #include <lxc/log.h>
+#include <lxc/variables.h>
 
 lxc_log_define(lxc_confile, lxc);
 
@@ -612,7 +613,9 @@ static int parse_line(void *buffer, void *data)
 	char *line = buffer;
 	char *dot;
 	char *key;
-	char *value;
+	char *value, *expanded;
+
+	int ret;
 
 	if (lxc_is_line_empty(line))
 		return 0;
@@ -642,7 +645,16 @@ static int parse_line(void *buffer, void *data)
 		return -1;
 	}
 
-	return config->cb(key, value, state->lxc_conf);
+	if (lxc_resolve_variables(value, &expanded, state->lxc_conf)) {
+		ERROR("%s: variable resolution failed", state->file);
+		return -1;
+	}
+
+	ret = config->cb(key, expanded, state->lxc_conf);
+
+	free(expanded);
+
+	return ret;
 }
 
 int lxc_config_read(const char *file, struct lxc_conf *conf)