Prep v239: Uncomment header inclusions that are new or needed now.

[elogind.git] / src / basic / parse-util.c

diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index ffad4ef45e0e5c176e74a39fc536af125e1b4422..3935d8a3e1abe28b5e4a8b08dc39f7dfe3bc244e 100644 (file)
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -1,9 +1,4 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-***/
 
 #include <errno.h>
 #include <inttypes.h>
@@ -11,14 +6,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-//#include <sys/socket.h>
+#include <sys/socket.h>
 
 #include "alloc-util.h"
 #include "errno-list.h"
 //#include "extract-word.h"
 #include "locale-util.h"
 #include "macro.h"
-//#include "missing.h"
+#include "missing.h"
 #include "parse-util.h"
 #include "process-util.h"
 #include "string-util.h"
@@ -637,6 +632,58 @@ int parse_percent(const char *p) {
         return v;
 }
 
+int parse_permille_unbounded(const char *p) {
+        const char *pc, *pm, *dot, *n;
+        int r, q, v;
+
+        pm = endswith(p, "‰");
+        if (pm) {
+                n = strndupa(p, pm - p);
+                r = safe_atoi(n, &v);
+                if (r < 0)
+                        return r;
+        } else {
+                pc = endswith(p, "%");
+                if (!pc)
+                        return -EINVAL;
+
+                dot = memchr(p, '.', pc - p);
+                if (dot) {
+                        if (dot + 2 != pc)
+                                return -EINVAL;
+                        if (dot[1] < '0' || dot[1] > '9')
+                                return -EINVAL;
+                        q = dot[1] - '0';
+                        n = strndupa(p, dot - p);
+                } else {
+                        q = 0;
+                        n = strndupa(p, pc - p);
+                }
+                r = safe_atoi(n, &v);
+                if (r < 0)
+                        return r;
+                if (v > (INT_MAX - q) / 10)
+                        return -ERANGE;
+
+                v = v * 10 + q;
+        }
+
+        if (v < 0)
+                return -ERANGE;
+
+        return v;
+}
+
+int parse_permille(const char *p) {
+        int v;
+
+        v = parse_permille_unbounded(p);
+        if (v > 1000)
+                return -ERANGE;
+
+        return v;
+}
+
 #if 0 /// UNNEEDED by elogind
 int parse_nice(const char *p, int *ret) {
         int n, r;
@@ -683,3 +730,20 @@ int parse_dev(const char *s, dev_t *ret) {
         *ret = d;
         return 0;
 }
+
+int parse_oom_score_adjust(const char *s, int *ret) {
+        int r, v;
+
+        assert(s);
+        assert(ret);
+
+        r = safe_atoi(s, &v);
+        if (r < 0)
+                return r;
+
+        if (v < OOM_SCORE_ADJ_MIN || v > OOM_SCORE_ADJ_MAX)
+                return -ERANGE;
+
+        *ret = v;
+        return 0;
+}