/* Test binary printf formats. Copyright (C) 2021-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include #include #include #include #include /* GCC does not know the %b or %B formats before GCC 12. */ DIAG_PUSH_NEEDS_COMMENT; #if !__GNUC_PREREQ (12, 0) DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat"); DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat-extra-args"); #endif #define CHECK_PRINTF(EXPECTED, FMT, ...) \ do \ { \ int ret = SNPRINTF (buf, sizeof buf / sizeof buf[0], L_(FMT), \ __VA_ARGS__); \ TEST_COMPARE_STRING_MACRO (buf, L_(EXPECTED)); \ TEST_COMPARE (ret, STRLEN (L_(EXPECTED))); \ } \ while (0) static int do_test (void) { CHAR buf[1024]; CHECK_PRINTF ("0", "%b", 0u); CHECK_PRINTF ("0", "%B", 0u); CHECK_PRINTF ("0", "%#b", 0u); CHECK_PRINTF ("0", "%#B", 0u); CHECK_PRINTF ("1", "%b", 1u); CHECK_PRINTF ("1", "%B", 1u); CHECK_PRINTF ("10", "%b", 2u); CHECK_PRINTF ("10", "%B", 2u); CHECK_PRINTF ("11", "%b", 3u); CHECK_PRINTF ("11", "%B", 3u); CHECK_PRINTF ("10000111011001010100001100100001", "%b", 0x87654321); CHECK_PRINTF ("10000111011001010100001100100001", "%B", 0x87654321); CHECK_PRINTF ("100001100100001", "%hb", (int) 0x87654321); CHECK_PRINTF ("100001100100001", "%hB", (int) 0x87654321); CHECK_PRINTF ("100001", "%hhb", (int) 0x87654321); CHECK_PRINTF ("100001", "%hhB", (int) 0x87654321); CHECK_PRINTF ("10000111011001010100001100100001", "%lb", 0x87654321ul); CHECK_PRINTF ("10000111011001010100001100100001", "%lB", 0x87654321ul); CHECK_PRINTF ("11111110110111001011101010011001" "10000111011001010100001100100001", "%llb", 0xfedcba9987654321ull); CHECK_PRINTF ("11111110110111001011101010011001" "10000111011001010100001100100001", "%llB", 0xfedcba9987654321ull); #if LONG_WIDTH >= 64 CHECK_PRINTF ("11111110110111001011101010011001" "10000111011001010100001100100001", "%lb", 0xfedcba9987654321ul); CHECK_PRINTF ("11111110110111001011101010011001" "10000111011001010100001100100001", "%lB", 0xfedcba9987654321ul); #endif CHECK_PRINTF ("0b11", "%#" PRIb8, (uint8_t) 3); CHECK_PRINTF ("0b11", "%#" PRIb16, (uint16_t) 3); CHECK_PRINTF ("0b10000111011001010100001100100001", "%#" PRIb32, (uint32_t) 0x87654321); CHECK_PRINTF ("0b11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIb64, (uint64_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0b11", "%#" PRIbLEAST8, (uint_least8_t) 3); CHECK_PRINTF ("0b11", "%#" PRIbLEAST16, (uint_least16_t) 3); CHECK_PRINTF ("0b10000111011001010100001100100001", "%#" PRIbLEAST32, (uint_least32_t) 0x87654321); CHECK_PRINTF ("0b11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIbLEAST64, (uint_least64_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0b11", "%#" PRIbFAST8, (uint_fast8_t) 3); CHECK_PRINTF ("0b11", "%#" PRIbFAST16, (uint_fast16_t) 3); CHECK_PRINTF ("0b10000111011001010100001100100001", "%#" PRIbFAST32, (uint_fast32_t) 0x87654321); CHECK_PRINTF ("0b11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIbFAST64, (uint_fast64_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0b10000111011001010100001100100001", "%#" PRIbPTR, (uintptr_t) 0x87654321); CHECK_PRINTF ("0b11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIbMAX, (uintmax_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0B11", "%#" PRIB8, (uint8_t) 3); CHECK_PRINTF ("0B11", "%#" PRIB16, (uint16_t) 3); CHECK_PRINTF ("0B10000111011001010100001100100001", "%#" PRIB32, (uint32_t) 0x87654321); CHECK_PRINTF ("0B11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIB64, (uint64_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0B11", "%#" PRIBLEAST8, (uint_least8_t) 3); CHECK_PRINTF ("0B11", "%#" PRIBLEAST16, (uint_least16_t) 3); CHECK_PRINTF ("0B10000111011001010100001100100001", "%#" PRIBLEAST32, (uint_least32_t) 0x87654321); CHECK_PRINTF ("0B11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIBLEAST64, (uint_least64_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0B11", "%#" PRIBFAST8, (uint_fast8_t) 3); CHECK_PRINTF ("0B11", "%#" PRIBFAST16, (uint_fast16_t) 3); CHECK_PRINTF ("0B10000111011001010100001100100001", "%#" PRIBFAST32, (uint_fast32_t) 0x87654321); CHECK_PRINTF ("0B11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIBFAST64, (uint_fast64_t) 0xfedcba9987654321ull); CHECK_PRINTF ("0B10000111011001010100001100100001", "%#" PRIBPTR, (uintptr_t) 0x87654321); CHECK_PRINTF ("0B11111110110111001011101010011001" "10000111011001010100001100100001", "%#" PRIBMAX, (uintmax_t) 0xfedcba9987654321ull); CHECK_PRINTF (" 1010", "%5b", 10u); CHECK_PRINTF (" 1010", "%5B", 10u); CHECK_PRINTF ("01010", "%05b", 10u); CHECK_PRINTF ("01010", "%05B", 10u); CHECK_PRINTF ("1011 ", "%-5b", 11u); CHECK_PRINTF ("1011 ", "%-5B", 11u); CHECK_PRINTF ("0b10011", "%#b", 19u); CHECK_PRINTF ("0B10011", "%#B", 19u); CHECK_PRINTF (" 0b10011", "%#10b", 19u); CHECK_PRINTF (" 0B10011", "%#10B", 19u); CHECK_PRINTF ("0b00010011", "%0#10b", 19u); CHECK_PRINTF ("0B00010011", "%0#10B", 19u); CHECK_PRINTF ("0b00010011", "%#010b", 19u); CHECK_PRINTF ("0B00010011", "%#010B", 19u); CHECK_PRINTF ("0b10011 ", "%#-10b", 19u); CHECK_PRINTF ("0B10011 ", "%#-10B", 19u); CHECK_PRINTF ("00010011", "%.8b", 19u); CHECK_PRINTF ("00010011", "%.8B", 19u); CHECK_PRINTF ("0b00010011", "%#.8b", 19u); CHECK_PRINTF ("0B00010011", "%#.8B", 19u); CHECK_PRINTF (" 00010011", "%15.8b", 19u); CHECK_PRINTF (" 00010011", "%15.8B", 19u); CHECK_PRINTF ("00010011 ", "%-15.8b", 19u); CHECK_PRINTF ("00010011 ", "%-15.8B", 19u); CHECK_PRINTF (" 0b00010011", "%#15.8b", 19u); CHECK_PRINTF (" 0B00010011", "%#15.8B", 19u); CHECK_PRINTF ("0b00010011 ", "%-#15.8b", 19u); CHECK_PRINTF ("0B00010011 ", "%-#15.8B", 19u); /* GCC diagnoses ignored flags. */ DIAG_PUSH_NEEDS_COMMENT; DIAG_IGNORE_NEEDS_COMMENT (12, "-Wformat"); /* '0' flag ignored with '-'. */ CHECK_PRINTF ("1011 ", "%0-5b", 11u); CHECK_PRINTF ("1011 ", "%0-5B", 11u); CHECK_PRINTF ("0b10011 ", "%#0-10b", 19u); CHECK_PRINTF ("0B10011 ", "%#0-10B", 19u); /* '0' flag ignored with precision. */ CHECK_PRINTF (" 00010011", "%015.8b", 19u); CHECK_PRINTF (" 00010011", "%015.8B", 19u); CHECK_PRINTF (" 0b00010011", "%0#15.8b", 19u); CHECK_PRINTF (" 0B00010011", "%0#15.8B", 19u); DIAG_POP_NEEDS_COMMENT; /* Test positional argument handling. */ CHECK_PRINTF ("test 1011 test2 100010001000100010001000100010001", "%2$s %1$b %4$s %3$llb", 11u, "test", 0x111111111ull, "test2"); return 0; } DIAG_POP_NEEDS_COMMENT; #include