commit f5b4e3ce58e075526bb55804620af4b2f6befa01
author Elliott Hughes <enh@google.com> Tue Aug 22 13:50:39 2023 -0700
committer Elliott Hughes <enh@google.com> Wed Aug 23 14:08:40 2023 -0700
tree 4c133c0514fd933820c08dac9df7f76f339662a8
parent e722c756a5d2c288d6dcc210c4e943094074f8f9

Add %b/%B to async-safe logging.

Missed this when we added the new C23 binary output to the printf()
family.

Also fix %X to use "0X" instead of "0x" and add missing tests.

Test: used by new LD_SHOW_AUXV functionality
Change-Id: I6623b92acec7daf534536697de0f87352a2653ad

tests/async_safe_test.cpp

diff --git a/tests/async_safe_test.cpp b/tests/async_safe_test.cpp
index dc4db07..cc1b598 100644
--- a/tests/async_safe_test.cpp
+++ b/tests/async_safe_test.cpp
@@ -45,6 +45,15 @@
   async_safe_format_buffer(buf, sizeof(buf), "aa%scc", "bb");
   EXPECT_STREQ("aabbcc", buf);
 
+  async_safe_format_buffer(buf, sizeof(buf), "a%bb", 1234);
+  EXPECT_STREQ("a10011010010b", buf);
+
+  async_safe_format_buffer(buf, sizeof(buf), "a%#bb", 1234);
+  EXPECT_STREQ("a0b10011010010b", buf);
+
+  async_safe_format_buffer(buf, sizeof(buf), "a%#Bb", 1234);
+  EXPECT_STREQ("a0B10011010010b", buf);
+
   async_safe_format_buffer(buf, sizeof(buf), "a%cc", 'b');
   EXPECT_STREQ("abc", buf);
 
@@ -76,9 +85,15 @@
   async_safe_format_buffer(buf, sizeof(buf), "a%xz", 0x12ab);
   EXPECT_STREQ("a12abz", buf);
 
+  async_safe_format_buffer(buf, sizeof(buf), "a%#xz", 0x12ab);
+  EXPECT_STREQ("a0x12abz", buf);
+
   async_safe_format_buffer(buf, sizeof(buf), "a%Xz", 0x12ab);
   EXPECT_STREQ("a12ABz", buf);
 
+  async_safe_format_buffer(buf, sizeof(buf), "a%#Xz", 0x12ab);
+  EXPECT_STREQ("a0X12ABz", buf);
+
   async_safe_format_buffer(buf, sizeof(buf), "a%08xz", 0x123456);
   EXPECT_STREQ("a00123456z", buf);