1 files changed, 20 insertions, 0 deletions

diff --git a/shell/hush.c b/shell/hush.c
index fa9afa38e..d745148f4 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -379,6 +379,7 @@
 #define BASH_SUBSTR        ENABLE_HUSH_BASH_COMPAT
 #define BASH_SOURCE        ENABLE_HUSH_BASH_COMPAT
 #define BASH_HOSTNAME_VAR  ENABLE_HUSH_BASH_COMPAT
+#define BASH_EPOCH_VARS    ENABLE_HUSH_BASH_COMPAT
 #define BASH_TEST2         (ENABLE_HUSH_BASH_COMPAT && ENABLE_HUSH_TEST)
 #define BASH_READ_D        ENABLE_HUSH_BASH_COMPAT
 
@@ -1011,6 +1012,9 @@ struct globals {
         int debug_indent;
 #endif
         struct sigaction sa;
+#if BASH_EPOCH_VARS
+        char epoch_buf[sizeof("%lu.nnnnnn") + sizeof(long)*3];
+#endif
 #if ENABLE_FEATURE_EDITING
         char user_input_buf[CONFIG_FEATURE_EDITING_MAX_LEN];
 #endif
@@ -2228,6 +2232,22 @@ static const char* FAST_FUNC get_local_var_value(const char *name)
         if (strcmp(name, "RANDOM") == 0)
                 return utoa(next_random(&G.random_gen));
 #endif
+#if BASH_EPOCH_VARS
+        {
+                const char *fmt = NULL;
+                if (strcmp(name, "EPOCHSECONDS") == 0)
+                        fmt = "%lu";
+                else if (strcmp(name, "EPOCHREALTIME") == 0)
+                        fmt = "%lu.%06u";
+                if (fmt) {
+                        struct timeval tv;
+                        gettimeofday(&tv, NULL);
+                        sprintf(G.epoch_buf, fmt, (unsigned long)tv.tv_sec,
+                                        (unsigned)tv.tv_usec);
+                        return G.epoch_buf;
+                }
+        }
+#endif
         return NULL;
 }