1 files changed, 25 insertions, 2 deletions
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index 503a895731..c98815b9bc 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -29,6 +29,7 @@
 #include "extract-word.h"
 #include "macro.h"
 #include "parse-util.h"
+#include "process-util.h"
 #include "string-util.h"
 
 int parse_boolean(const char *v) {
@@ -533,7 +534,7 @@ int parse_fractional_part_u(const char **p, size_t digits, unsigned *res) {
         return 0;
 }
 
-int parse_percent(const char *p) {
+int parse_percent_unbounded(const char *p) {
         const char *pc, *n;
         unsigned v;
         int r;
@@ -546,8 +547,30 @@ int parse_percent(const char *p) {
         r = safe_atou(n, &v);
         if (r < 0)
                 return r;
+
+        return (int) v;
+}
+
+int parse_percent(const char *p) {
+        int v;
+
+        v = parse_percent_unbounded(p);
         if (v > 100)
                 return -ERANGE;
 
-        return (int) v;
+        return v;
+}
+
+int parse_nice(const char *p, int *ret) {
+        int n, r;
+
+        r = safe_atoi(p, &n);
+        if (r < 0)
+                return r;
+
+        if (!nice_is_valid(n))
+                return -ERANGE;
+
+        *ret = n;
+        return 0;
 }