unshare: allow negative time offsets

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/sys-utils/unshare.c b/sys-utils/unshare.c
index 3ff4137c84d517b228fc7c0e119a175744eaf83f..38bdc5a6455fc515e4cd5206e97591125be6ebd6 100644 (file)
--- a/sys-utils/unshare.c
+++ b/sys-utils/unshare.c
@@ -212,12 +212,12 @@ static ino_t get_mnt_ino(pid_t pid)
        return st.st_ino;
 }
 
-static void settime(time_t offset, clockid_t clk_id)
+static void settime(int64_t offset, clockid_t clk_id)
 {
        char buf[sizeof(stringify_value(ULONG_MAX)) * 3];
        int fd, len;
 
-       len = snprintf(buf, sizeof(buf), "%d %" PRId64 " 0", clk_id, (int64_t) offset);
+       len = snprintf(buf, sizeof(buf), "%d %" PRId64 " 0", clk_id, offset);
 
        fd = open("/proc/self/timens_offsets", O_WRONLY);
        if (fd < 0)
@@ -764,8 +764,8 @@ int main(int argc, char *argv[])
        uid_t uid = 0, real_euid = geteuid();
        gid_t gid = 0, real_egid = getegid();
        int keepcaps = 0;
-       time_t monotonic = 0;
-       time_t boottime = 0;
+       int64_t monotonic = 0;
+       int64_t boottime = 0;
        int force_monotonic = 0;
        int force_boottime = 0;
 
@@ -895,11 +895,11 @@ int main(int argc, char *argv[])
                        newdir = optarg;
                        break;
                 case OPT_MONOTONIC:
-                       monotonic = strtoul_or_err(optarg, _("failed to parse monotonic offset"));
+                       monotonic = strtos64_or_err(optarg, _("failed to parse monotonic offset"));
                        force_monotonic = 1;
                        break;
                 case OPT_BOOTTIME:
-                       boottime = strtoul_or_err(optarg, _("failed to parse boottime offset"));
+                       boottime = strtos64_or_err(optarg, _("failed to parse boottime offset"));
                        force_boottime = 1;
                        break;