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LibC: Set PRI[xX]8/PRI[xX]16 macros to x and X

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Described in:
  <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/
    inttypes.h.html>

The macros were first added in a7a456002e,
but it is not clear why the PRIx16/32 macros were defined as 'b' & 'w'.
PrintfImplementation was never able to parse these values.
This commit is contained in:
Peter Ross 2022-03-01 19:50:19 +11:00 • committed by Andreas Kling
parent 97cfb9934b
commit 6c06b70911
2 changed files with 14 additions and 4 deletions
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10
Tests/LibC/TestSnprintf.cpp
View file

@ -10,6 +10,8 @@
#include <AK/Random.h>
#include <AK/StringBuilder.h>
#include <ctype.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
@ -263,3 +265,11 @@ TEST_CASE(hexadecimal_values)
EXPECT(test_single<int>({ LITERAL("xxx\0"), "|%x|", 0, 3, LITERAL("|0|\0") }));
EXPECT(test_single<int>({ LITERAL("xxx\0"), "|%#x|", 0, 3, LITERAL("|0|\0") }));
}
TEST_CASE(inttypes_macros)
{
EXPECT(test_single<uint8_t>({ LITERAL("xxxxx"), "|%" PRIx8 "|", 0xAB, 4, LITERAL("|ab|\0") }));
EXPECT(test_single<uint8_t>({ LITERAL("xxxxx"), "|%" PRIX8 "|", 0xAB, 4, LITERAL("|AB|\0") }));
EXPECT(test_single<uint16_t>({ LITERAL("xxxxxxx"), "|%" PRIx16 "|", 0xC0DE, 6, LITERAL("|c0de|\0") }));
EXPECT(test_single<uint16_t>({ LITERAL("xxxxxxx"), "|%" PRIX16 "|", 0xC0DE, 6, LITERAL("|C0DE|\0") }));
}