libbb: introduce and use xgetpwnam. ~ -150 bytes.

1 files changed, 10 insertions, 5 deletions

diff --git a/libbb/bb_pwd.c b/libbb/bb_pwd.c
index 5e44edc90..5dbc58d9f 100644
--- a/libbb/bb_pwd.c
+++ b/libbb/bb_pwd.c
@@ -15,7 +15,15 @@
  * pointers to static data (getpwuid)
  */
 
-/* TODO: add xgetpwnam, this construct is used a lot */
+struct passwd* FAST_FUNC xgetpwnam(const char *name)
+{
+        struct passwd *pw = getpwnam(name);
+        if (!pw)
+                bb_error_msg_and_die("unknown user %s", name);
+        return pw;
+}
+
+/* xgetgrnam too? */
 
 struct passwd* FAST_FUNC xgetpwuid(uid_t uid)
 {
@@ -73,10 +81,7 @@ long FAST_FUNC xuname2uid(const char *name)
 {
         struct passwd *myuser;
 
-        myuser = getpwnam(name);
-        if (myuser == NULL)
-                bb_error_msg_and_die("unknown user %s", name);
-
+        myuser = xgetpwnam(name);
         return myuser->pw_uid;
 }