src/configfile.[ch]: Add "cf_util_get_int".

Helper function to parse an "int".

diff --git a/src/configfile.c b/src/configfile.c
index 1bd02a8..0eeb86e 100644 (file)
--- a/src/configfile.c
+++ b/src/configfile.c
@@ -980,6 +980,24 @@ int cf_util_get_string_buffer (const oconfig_item_t *ci, char *buffer, /* {{{ */
        return (0);
 } /* }}} int cf_util_get_string_buffer */
 
+/* Assures the config option is a number and returns it as an int. */
+int cf_util_get_int (const oconfig_item_t *ci, int *ret_value) /* {{{ */
+{
+       if ((ci == NULL) || (ret_value == NULL))
+               return (EINVAL);
+
+       if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
+       {
+               ERROR ("cf_util_get_int: The %s option requires "
+                               "exactly one numeric argument.", ci->key);
+               return (-1);
+       }
+
+       *ret_value = (int) ci->values[0].value.number;
+
+       return (0);
+} /* }}} int cf_util_get_int */
+
 int cf_util_get_boolean (const oconfig_item_t *ci, _Bool *ret_bool) /* {{{ */
 {
        if ((ci == NULL) || (ret_bool == NULL))

diff --git a/src/configfile.h b/src/configfile.h
index c1c5e29..432e09f 100644 (file)
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -96,6 +96,9 @@ int cf_util_get_string (const oconfig_item_t *ci, char **ret_string);
 int cf_util_get_string_buffer (const oconfig_item_t *ci, char *buffer,
                size_t buffer_size);
 
+/* Assures the config option is a number and returns it as an int. */
+int cf_util_get_int (const oconfig_item_t *ci, int *ret_value);
+
 /* Assures the config option is a boolean and assignes it to `ret_bool'.
  * Otherwise, `ret_bool' is not changed and non-zero is returned. */
 int cf_util_get_boolean (const oconfig_item_t *ci, _Bool *ret_bool);