parse-util: make safe_atou8() just a wrapper around safe_atou8_full()

As in the previous commit: it's just a wrapper around the same
strtoul(), hence let's just share some more code.

2 files changed, 13 insertions, 21 deletions

diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index 247c84e618..3b3efb0ab8 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -476,29 +476,17 @@ int safe_atolli(const char *s, long long int *ret_lli) {
         return 0;
 }
 
-int safe_atou8(const char *s, uint8_t *ret) {
-        unsigned base = 0;
-        unsigned long l;
-        char *x = NULL;
-
-        assert(s);
-
-        s += strspn(s, WHITESPACE);
-        s = mangle_base(s, &base);
+int safe_atou8_full(const char *s, unsigned base, uint8_t *ret) {
+        unsigned u;
+        int r;
 
-        errno = 0;
-        l = strtoul(s, &x, base);
-        if (errno > 0)
-                return -errno;
-        if (!x || x == s || *x != 0)
-                return -EINVAL;
-        if (l != 0 && s[0] == '-')
-                return -ERANGE;
-        if ((unsigned long) (uint8_t) l != l)
+        r = safe_atou_full(s, base, &u);
+        if (r < 0)
+                return r;
+        if (u > UINT8_MAX)
                 return -ERANGE;
 
-        if (ret)
-                *ret = (uint8_t) l;
+        *ret = (uint8_t) u;
         return 0;
 }
 
diff --git a/src/basic/parse-util.h b/src/basic/parse-util.h
index f2222dcffb..8d8d52327b 100644
--- a/src/basic/parse-util.h
+++ b/src/basic/parse-util.h
@@ -36,7 +36,11 @@ static inline int safe_atou(const char *s, unsigned *ret_u) {
 int safe_atoi(const char *s, int *ret_i);
 int safe_atolli(const char *s, long long int *ret_i);
 
-int safe_atou8(const char *s, uint8_t *ret);
+int safe_atou8_full(const char *s, unsigned base, uint8_t *ret);
+
+static inline int safe_atou8(const char *s, uint8_t *ret) {
+        return safe_atou8_full(s, 0, ret);
+}
 
 int safe_atou16_full(const char *s, unsigned base, uint16_t *ret);