conf: added config_get_positive()

This convenience function parses a configuration value into a positive
integer.  It aborts if parsing fails.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/conf.h b/src/conf.h
index f94f6554..e9c75036 100644
--- a/src/conf.h
+++ b/src/conf.h
@@ -110,6 +110,9 @@ config_get_string(const char *name, const char *default_value);
 const char *
 config_get_path(const char *name);
 
+unsigned
+config_get_positive(const char *name, unsigned default_value);
+
 struct block_param *
 getBlockParam(struct config_param *param, const char *name);