xz: Don't show a huge number in -vv when memory limit is disabled.

diff --git a/src/xz/message.c b/src/xz/message.c
index e5591994e62b66236f92af2e8674deca821b8586..2b6ac5f093ce748dc8c979e0f5f8b525c0881b8d 100644 (file)
--- a/src/xz/message.c
+++ b/src/xz/message.c
@@ -859,6 +859,17 @@ message_mem_needed(enum message_verbosity v, uint64_t memusage)
        // the user might need to +1 MiB to get high enough limit.)
        memusage = round_up_to_mib(memusage);
 
+       uint64_t memlimit = hardware_memlimit_get(opt_mode);
+
+       // Handle the case when there is no memory usage limit.
+       // This way we don't print a weird message with a huge number.
+       if (memlimit == UINT64_MAX) {
+               message(v, _("%s MiB of memory is required. "
+                               "The limiter is disabled."),
+                               uint64_to_str(memusage, 0));
+               return;
+       }
+
        // With US-ASCII:
        // 2^64 with thousand separators + " MiB" suffix + '\0' = 26 + 4 + 1
        // But there may be multibyte chars so reserve enough space.
@@ -867,7 +878,6 @@ message_mem_needed(enum message_verbosity v, uint64_t memusage)
        // Show the memory usage limit as MiB unless it is less than 1 MiB.
        // This way it's easy to notice errors where one has typed
        // --memory=123 instead of --memory=123MiB.
-       uint64_t memlimit = hardware_memlimit_get(opt_mode);
        if (memlimit < (UINT32_C(1) << 20)) {
                snprintf(memlimitstr, sizeof(memlimitstr), "%s B",
                                uint64_to_str(memlimit, 1));