From 17beae299d5e6bb511c453d0b9d0d7ef906b3d14 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Fri, 8 Jan 2021 12:51:19 +0100
Subject: Support binary unit prefixes in command line arguments

---
 src/libmain/shared.cc | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'src/libmain/shared.cc')

diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index f1feeddd6..e797c2fb9 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -219,10 +219,8 @@ LegacyArgs::LegacyArgs(const std::string & programName,
             .description = description,
             .labels = {"n"},
             .handler = {[=](std::string s) {
-                if (auto n = string2Int<unsigned int>(s))
-                    settings.set(dest, std::to_string(*n));
-                else
-                    throw UsageError("'%s' is not an integer", s);
+                auto n = string2IntWithUnitPrefix<uint64_t>(s);
+                settings.set(dest, std::to_string(n));
             }}
         });
     };
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