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-rw-r--r--lib/stdlib/src/io_lib_format.erl2
-rw-r--r--lib/stdlib/test/io_SUITE.erl10
2 files changed, 9 insertions, 3 deletions
diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index 56e15a17ec..89ae6fb187 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -255,7 +255,7 @@ term(T, none, _Adj, none, _Pad) -> T;
term(T, none, Adj, P, Pad) -> term(T, P, Adj, P, Pad);
term(T, F, Adj, P0, Pad) ->
L = lists:flatlength(T),
- P = case P0 of none -> erlang:min(L, F); _ -> P0 end,
+ P = erlang:min(L, case P0 of none -> F; _ -> min(P0, F) end),
if
L > P ->
adjust(chars($*, P), chars(Pad, F-P), Adj);
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 5a8971c071..3a76275f31 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -30,7 +30,7 @@
io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1,
printable_range/1,
io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1,
- otp_10836/1]).
+ otp_10836/1, io_lib_width_too_small/1]).
-export([pretty/2]).
@@ -69,7 +69,8 @@ all() ->
io_lib_collect_line_3_wb, cr_whitespace_in_string,
io_fread_newlines, otp_8989, io_lib_fread_literal,
printable_range,
- io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836].
+ io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836,
+ io_lib_width_too_small].
groups() ->
[].
@@ -2213,3 +2214,8 @@ compile_file(File, Text, Config) ->
try compile:file(Fname, [return])
after ok %file:delete(Fname)
end.
+
+io_lib_width_too_small(Config) ->
+ "**" = lists:flatten(io_lib:format("~2.3w", [3.14])),
+ "**" = lists:flatten(io_lib:format("~2.5w", [3.14])),
+ ok.