vol_id: fix language in manpage

[elogind.git] / udev / udev-util.c

diff --git a/udev/udev-util.c b/udev/udev-util.c
index 76d7270f66f73133550339c202b223ce3e9562eb..3d5eb7657c40b812e14b6a395e5e8a0629930710 100644 (file)
--- a/udev/udev-util.c
+++ b/udev/udev-util.c
@@ -126,29 +126,33 @@ int util_unlink_secure(struct udev *udev, const char *filename)
 
 uid_t util_lookup_user(struct udev *udev, const char *user)
 {
+       char *endptr;
        int buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
        char buf[buflen];
        struct passwd pwbuf;
        struct passwd *pw;
-       uid_t uid = 0;
+       uid_t uid;
 
        if (strcmp(user, "root") == 0)
                return 0;
+       uid = strtoul(user, &endptr, 10);
+       if (endptr[0] == '\0')
+               return uid;
+
        errno = 0;
        getpwnam_r(user, &pwbuf, buf, buflen, &pw);
-       if (pw == NULL) {
-               if (errno == 0 || errno == ENOENT || errno == ESRCH)
-                       err(udev, "specified user '%s' unknown\n", user);
-               else
-                       err(udev, "error resolving user '%s': %m\n", user);
-       } else
-               uid = pw->pw_uid;
-
-       return uid;
+       if (pw != NULL)
+               return pw->pw_uid;
+       if (errno == 0 || errno == ENOENT || errno == ESRCH)
+               err(udev, "specified user '%s' unknown\n", user);
+       else
+               err(udev, "error resolving user '%s': %m\n", user);
+       return 0;
 }
 
 extern gid_t util_lookup_group(struct udev *udev, const char *group)
 {
+       char *endptr;
        int buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
        char buf[buflen];
        struct group grbuf;
@@ -157,16 +161,19 @@ extern gid_t util_lookup_group(struct udev *udev, const char *group)
 
        if (strcmp(group, "root") == 0)
                return 0;
+       gid = strtoul(group, &endptr, 10);
+       if (endptr[0] == '\0')
+               return gid;
+
        errno = 0;
        getgrnam_r(group, &grbuf, buf, buflen, &gr);
-       if (gr == NULL) {
-               if (errno == 0 || errno == ENOENT || errno == ESRCH)
-                       err(udev, "specified group '%s' unknown\n", group);
-               else
-                       err(udev, "error resolving group '%s': %m\n", group);
-       } else
-               gid = gr->gr_gid;
-       return gid;
+       if (gr != NULL)
+               return gr->gr_gid;
+       if (errno == 0 || errno == ENOENT || errno == ESRCH)
+               err(udev, "specified group '%s' unknown\n", group);
+       else
+               err(udev, "error resolving group '%s': %m\n", group);
+       return 0;
 }
 
 /* handle "[<SUBSYSTEM>/<KERNEL>]<attribute>" format */
@@ -437,7 +444,7 @@ int util_run_program(struct udev *udev, const char *command, char **envp,
                        if (WEXITSTATUS(status) != 0)
                                err = -1;
                } else {
-                       err(udev, "'%s' abnormal exit\n", argv[0]);
+                       err(udev, "'%s' abnormal exit\n", command);
                        err = -1;
                }
        }