prefix: add prefix support

diff --git a/src/passwd.c b/src/passwd.c
index 5c5faf6f56d26f4dc92a08812feaefd82bc97217..89d173e774c3ce947a9c927b87f19aee39a1c887 100644 (file)
--- a/src/passwd.c
+++ b/src/passwd.c
@@ -51,6 +51,8 @@ static char *name;            /* The name of user whose password is being changed */
 static char *myname;           /* The current user's name */
 static bool amroot;            /* The caller's real UID was 0 */
 
+static const char *prefix = "";
+
 static bool
     aflg = false,                      /* -a - show status for all users */
     dflg = false,                      /* -d - delete password */
@@ -149,6 +151,7 @@ usage (int status)
        (void) fputs (_("  -q, --quiet                   quiet mode\n"), usageout);
        (void) fputs (_("  -r, --repository REPOSITORY   change password in REPOSITORY repository\n"), usageout);
        (void) fputs (_("  -R, --root CHROOT_DIR         directory to chroot into\n"), usageout);
+       (void) fputs (_("  -P, --prefix PREFIX_DIR       directory prefix\n"), usageout);
        (void) fputs (_("  -S, --status                  report password status on the named account\n"), usageout);
        (void) fputs (_("  -u, --unlock                  unlock the password of the named account\n"), usageout);
        (void) fputs (_("  -w, --warndays WARN_DAYS      set expiration warning days to WARN_DAYS\n"), usageout);
@@ -743,6 +746,7 @@ int main (int argc, char **argv)
        (void) textdomain (PACKAGE);
 
        process_root_flag ("-R", argc, argv);
+       prefix = process_prefix_flag ("-P", argc, argv);
 
        /*
         * The program behaves differently when executed by root than when
@@ -769,6 +773,7 @@ int main (int argc, char **argv)
                        {"quiet",       no_argument,       NULL, 'q'},
                        {"repository",  required_argument, NULL, 'r'},
                        {"root",        required_argument, NULL, 'R'},
+                       {"prefix",      required_argument, NULL, 'P'},
                        {"status",      no_argument,       NULL, 'S'},
                        {"unlock",      no_argument,       NULL, 'u'},
                        {"warndays",    required_argument, NULL, 'w'},
@@ -838,6 +843,8 @@ int main (int argc, char **argv)
                                break;
                        case 'R': /* no-op, handled in process_root_flag () */
                                break;
+                       case 'P': /* no-op, handled in process_prefix_flag () */
+                               break;
                        case 'S':
                                Sflg = true;    /* ok for users */
                                break;