xz: Fix a comment and silence a warning in message.c.

diff --git a/src/xz/message.c b/src/xz/message.c
index 8a31b00ed89c5696177922b42e9b7f4c46d2e808..f88c1231e7d5d84a9228777811ed762c99ef525f 100644 (file)
--- a/src/xz/message.c
+++ b/src/xz/message.c
@@ -381,7 +381,7 @@ progress_speed(uint64_t uncompressed_pos, uint64_t elapsed)
 }
 
 
-/// Make a string indicating elapsed or remaining time. The format is either
+/// Make a string indicating elapsed time. The format is either
 /// M:SS or H:MM:SS depending on if the time is an hour or more.
 static const char *
 progress_time(uint64_t mseconds)
@@ -389,7 +389,8 @@ progress_time(uint64_t mseconds)
        // 9999 hours = 416 days
        static char buf[sizeof("9999:59:59")];
 
-       uint32_t seconds = mseconds / 1000;
+       // 32-bit variable is enough for elapsed time (136 years).
+       uint32_t seconds = (uint32_t)(mseconds / 1000);
 
        // Don't show anything if the time is zero or ridiculously big.
        if (seconds == 0 || seconds > ((9999 * 60) + 59) * 60 + 59)