diff options
Diffstat (limited to 'stdio-common/tst-scanf-intn-main.c')
| -rw-r--r-- | stdio-common/tst-scanf-intn-main.c | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/stdio-common/tst-scanf-intn-main.c b/stdio-common/tst-scanf-intn-main.c new file mode 100644 index 0000000000..fa0462a8de --- /dev/null +++ b/stdio-common/tst-scanf-intn-main.c @@ -0,0 +1,479 @@ +/* Test scanf formats for intN_t, int_leastN_t and int_fastN_t types. + Copyright (C) 2023 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 + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <wchar.h> + +#include <libc-diag.h> +#include <support/check.h> + +/* GCC does not know the %wN or %wfN length modifiers before GCC 13. */ +DIAG_PUSH_NEEDS_COMMENT; +#if !__GNUC_PREREQ (13, 0) +DIAG_IGNORE_NEEDS_COMMENT (12, "-Wformat"); +DIAG_IGNORE_NEEDS_COMMENT (12, "-Wformat-extra-args"); +#endif + +#define CHECK_SCANF1(EXPECTED, STR, FMT) \ + do \ + { \ + var = ((typeof (var)) 0xabababab); \ + int ret = SSCANF (L_(STR), L_(FMT), &var); \ + TEST_COMPARE (var, (EXPECTED)); \ + TEST_COMPARE (ret, 1); \ + } \ + while (0) + +#define CHECK_SCANF1N(EXPECTED, STR, FMT) \ + do \ + { \ + var = ((typeof (var)) 0xabababab); \ + n = 123; \ + int ret = SSCANF (L_(STR), L_(FMT), &var, &n); \ + TEST_COMPARE (var, (EXPECTED)); \ + TEST_COMPARE (n, STRLEN (L_(STR))); \ + TEST_COMPARE (ret, 1); \ + } \ + while (0) + +#define CHECK_SCANF_ERR(OK, STR, FMT, ...) \ + do \ + { \ + int ret = SSCANF (L_(STR), L_(FMT), __VA_ARGS__); \ + TEST_VERIFY (ret == (OK)); \ + TEST_COMPARE (errno, EINVAL); \ + } \ + while (0) + +static void +test_w8 (void) +{ + { + int8_t var, n; + CHECK_SCANF1 (42, "42", "%w8d"); + CHECK_SCANF1N (42, "42", "%w8d%w8n"); + CHECK_SCANF1 (-43, "-43", "%w8d"); + CHECK_SCANF1 (42, "42", "%w8i"); + CHECK_SCANF1 (-43, "-43", "%w8i"); + CHECK_SCANF1 (123, "0b1111011", "%w8i"); + CHECK_SCANF1 (127, "0x7f", "%w8i"); + CHECK_SCANF1 (-19, "-023", "%w8i"); + } + { + uint8_t var; + int8_t n; + CHECK_SCANF1 (123, "1111011", "%w8b"); + CHECK_SCANF1 (19, "023", "%w8o"); + CHECK_SCANF1 (50, "50", "%w8u"); + CHECK_SCANF1 (65, "41", "%w8x"); + CHECK_SCANF1N (65, "41", "%w8x%w8n"); + CHECK_SCANF1 (66, "42", "%w8X"); + } + { + int_least8_t var, n; + CHECK_SCANF1 (42, "42", "%w8d"); + CHECK_SCANF1N (42, "42", "%w8d%w8n"); + CHECK_SCANF1 (-43, "-43", "%w8d"); + CHECK_SCANF1 (42, "42", "%w8i"); + CHECK_SCANF1 (-43, "-43", "%w8i"); + CHECK_SCANF1 (123, "0b1111011", "%w8i"); + CHECK_SCANF1 (127, "0x7f", "%w8i"); + CHECK_SCANF1 (-19, "-023", "%w8i"); + } + { + uint_least8_t var; + int_least8_t n; + CHECK_SCANF1 (123, "1111011", "%w8b"); + CHECK_SCANF1 (19, "023", "%w8o"); + CHECK_SCANF1 (50, "50", "%w8u"); + CHECK_SCANF1 (65, "41", "%w8x"); + CHECK_SCANF1N (65, "41", "%w8x%w8n"); + CHECK_SCANF1 (66, "42", "%w8X"); + } +} + +static void +test_wf8 (void) +{ + { + int_fast8_t var, n; + CHECK_SCANF1 (42, "42", "%wf8d"); + CHECK_SCANF1N (42, "42", "%wf8d%wf8n"); + CHECK_SCANF1 (-43, "-43", "%wf8d"); + CHECK_SCANF1 (42, "42", "%wf8i"); + CHECK_SCANF1 (-43, "-43", "%wf8i"); + CHECK_SCANF1 (123, "0b1111011", "%wf8i"); + CHECK_SCANF1 (127, "0x7f", "%wf8i"); + CHECK_SCANF1 (-19, "-023", "%wf8i"); + } + { + uint_fast8_t var; + int_fast8_t n; + CHECK_SCANF1 (123, "1111011", "%wf8b"); + CHECK_SCANF1 (19, "023", "%wf8o"); + CHECK_SCANF1 (50, "50", "%wf8u"); + CHECK_SCANF1 (65, "41", "%wf8x"); + CHECK_SCANF1N (65, "41", "%wf8x%wf8n"); + CHECK_SCANF1 (66, "42", "%wf8X"); + } +} + +static void +test_w16 (void) +{ + { + int16_t var, n; + CHECK_SCANF1 (12345, "12345", "%w16d"); + CHECK_SCANF1N (23456, "23456", "%w16d%w16n"); + CHECK_SCANF1 (-10101, "-10101", "%w16d"); + CHECK_SCANF1 (30000, "30000", "%w16i"); + CHECK_SCANF1 (-19876, "-19876", "%w16i"); + CHECK_SCANF1 (16384, "0b100000000000000", "%w16i"); + CHECK_SCANF1 (32767, "0x7fff", "%w16i"); + CHECK_SCANF1 (-16383, "-037777", "%w16i"); + } + { + uint16_t var; + int16_t n; + CHECK_SCANF1 (32767, "111111111111111", "%w16b"); + CHECK_SCANF1 (4095, "07777", "%w16o"); + CHECK_SCANF1 (9999, "9999", "%w16u"); + CHECK_SCANF1 (23456, "5ba0", "%w16x"); + CHECK_SCANF1N (23456, "5ba0", "%w16x%w16n"); + CHECK_SCANF1 (23457, "5ba1", "%w16X"); + } + { + int_least16_t var, n; + CHECK_SCANF1 (12345, "12345", "%w16d"); + CHECK_SCANF1N (23456, "23456", "%w16d%w16n"); + CHECK_SCANF1 (-10101, "-10101", "%w16d"); + CHECK_SCANF1 (30000, "30000", "%w16i"); + CHECK_SCANF1 (-19876, "-19876", "%w16i"); + CHECK_SCANF1 (16384, "0b100000000000000", "%w16i"); + CHECK_SCANF1 (32767, "0x7fff", "%w16i"); + CHECK_SCANF1 (-16383, "-037777", "%w16i"); + } + { + uint_least16_t var; + int_least16_t n; + CHECK_SCANF1 (32767, "111111111111111", "%w16b"); + CHECK_SCANF1 (4095, "07777", "%w16o"); + CHECK_SCANF1 (9999, "9999", "%w16u"); + CHECK_SCANF1 (23456, "5ba0", "%w16x"); + CHECK_SCANF1N (23456, "5ba0", "%w16x%w16n"); + CHECK_SCANF1 (23457, "5ba1", "%w16X"); + } +} + +static void +test_wf16 (void) +{ + { + int_fast16_t var, n; + CHECK_SCANF1 (12345, "12345", "%wf16d"); + CHECK_SCANF1N (23456, "23456", "%wf16d%wf16n"); + CHECK_SCANF1 (-10101, "-10101", "%wf16d"); + CHECK_SCANF1 (30000, "30000", "%wf16i"); + CHECK_SCANF1 (-19876, "-19876", "%wf16i"); + CHECK_SCANF1 (16384, "0b100000000000000", "%wf16i"); + CHECK_SCANF1 (32767, "0x7fff", "%wf16i"); + CHECK_SCANF1 (-16383, "-037777", "%wf16i"); + } + { + uint_fast16_t var; + int_fast16_t n; + CHECK_SCANF1 (32767, "111111111111111", "%wf16b"); + CHECK_SCANF1 (4095, "07777", "%wf16o"); + CHECK_SCANF1 (9999, "9999", "%wf16u"); + CHECK_SCANF1 (23456, "5ba0", "%wf16x"); + CHECK_SCANF1N (23456, "5ba0", "%wf16x%wf16n"); + CHECK_SCANF1 (23457, "5ba1", "%wf16X"); + } +#if INT_FAST16_MAX >= INT32_MAX + { + int_fast16_t var, n; + CHECK_SCANF1 (1234567, "1234567", "%wf16d"); + CHECK_SCANF1N (2345678, "2345678", "%wf16d%wf16n"); + CHECK_SCANF1 (-1010101, "-1010101", "%wf16d"); + CHECK_SCANF1 (3000000, "3000000", "%wf16i"); + CHECK_SCANF1 (-98765432, "-98765432", "%wf16i"); + CHECK_SCANF1 (1048576, "0b100000000000000000000", "%wf16i"); + CHECK_SCANF1 (1048575, "0xfffff", "%wf16i"); + CHECK_SCANF1 (-1048575, "-03777777", "%wf16i"); + } + { + uint_fast16_t var; + int_fast16_t n; + CHECK_SCANF1 (1234567, "100101101011010000111", "%wf16b"); + CHECK_SCANF1 (1048575, "03777777", "%wf16o"); + CHECK_SCANF1 (999999, "999999", "%wf16u"); + CHECK_SCANF1 (987654, "f1206", "%wf16x"); + CHECK_SCANF1N (987654, "f1206", "%wf16x%wf16n"); + CHECK_SCANF1 (987655, "f1207", "%wf16X"); + } +#endif +#if INT_FAST16_MAX >= INT64_MAX + { + int_fast16_t var, n; + CHECK_SCANF1 (123456789012LL, "123456789012", "%wf16d"); + CHECK_SCANF1N (234567890123LL, "234567890123", "%wf16d%wf16n"); + CHECK_SCANF1 (-10101010101LL, "-10101010101", "%wf16d"); + CHECK_SCANF1 (3000000000000000LL, "3000000000000000", "%wf16i"); + CHECK_SCANF1 (-9876543210LL, "-9876543210", "%wf16i"); + CHECK_SCANF1 (1LL << 40, "0b10000000000000000000000000000000000000000", + "%wf16i"); + CHECK_SCANF1 (1LL << 41, "0x20000000000", "%wf16i"); + CHECK_SCANF1 (-(1LL << 42), "-0100000000000000", "%wf16i"); + } + { + uint_fast16_t var; + int_fast16_t n; + CHECK_SCANF1 (123456789012ULL, "1110010111110100110010001101000010100", + "%wf16b"); + CHECK_SCANF1 (1ULL << 40, "20000000000000", "%wf16o"); + CHECK_SCANF1 (999999999999ULL, "999999999999", "%wf16u"); + CHECK_SCANF1 (9876543210ULL, "24cb016ea", "%wf16x"); + CHECK_SCANF1N (9876543210ULL, "24cb016ea", "%wf16x%wf16n"); + CHECK_SCANF1 (9876543211ULL, "24cb016eb", "%wf16X"); + } +#endif +} + +static void +test_w32 (void) +{ + { + int32_t var, n; + CHECK_SCANF1 (1234567, "1234567", "%w32d"); + CHECK_SCANF1N (2345678, "2345678", "%w32d%w32n"); + CHECK_SCANF1 (-1010101, "-1010101", "%w32d"); + CHECK_SCANF1 (3000000, "3000000", "%w32i"); + CHECK_SCANF1 (-98765432, "-98765432", "%w32i"); + CHECK_SCANF1 (1048576, "0b100000000000000000000", "%w32i"); + CHECK_SCANF1 (1048575, "0xfffff", "%w32i"); + CHECK_SCANF1 (-1048575, "-03777777", "%w32i"); + } + { + uint32_t var; + int32_t n; + CHECK_SCANF1 (1234567, "100101101011010000111", "%w32b"); + CHECK_SCANF1 (1048575, "03777777", "%w32o"); + CHECK_SCANF1 (999999, "999999", "%w32u"); + CHECK_SCANF1 (987654, "f1206", "%w32x"); + CHECK_SCANF1N (987654, "f1206", "%w32x%w32n"); + CHECK_SCANF1 (987655, "f1207", "%w32X"); + } + { + int_least32_t var, n; + CHECK_SCANF1 (1234567, "1234567", "%w32d"); + CHECK_SCANF1N (2345678, "2345678", "%w32d%w32n"); + CHECK_SCANF1 (-1010101, "-1010101", "%w32d"); + CHECK_SCANF1 (3000000, "3000000", "%w32i"); + CHECK_SCANF1 (-98765432, "-98765432", "%w32i"); + CHECK_SCANF1 (1048576, "0b100000000000000000000", "%w32i"); + CHECK_SCANF1 (1048575, "0xfffff", "%w32i"); + CHECK_SCANF1 (-1048575, "-03777777", "%w32i"); + } + { + uint_least32_t var; + int_least32_t n; + CHECK_SCANF1 (1234567, "100101101011010000111", "%w32b"); + CHECK_SCANF1 (1048575, "03777777", "%w32o"); + CHECK_SCANF1 (999999, "999999", "%w32u"); + CHECK_SCANF1 (987654, "f1206", "%w32x"); + CHECK_SCANF1N (987654, "f1206", "%w32x%w32n"); + CHECK_SCANF1 (987655, "f1207", "%w32X"); + } +} + +static void +test_wf32 (void) +{ + { + int_fast32_t var, n; + CHECK_SCANF1 (1234567, "1234567", "%wf32d"); + CHECK_SCANF1N (2345678, "2345678", "%wf32d%wf32n"); + CHECK_SCANF1 (-1010101, "-1010101", "%wf32d"); + CHECK_SCANF1 (3000000, "3000000", "%wf32i"); + CHECK_SCANF1 (-98765432, "-98765432", "%wf32i"); + CHECK_SCANF1 (1048576, "0b100000000000000000000", "%wf32i"); + CHECK_SCANF1 (1048575, "0xfffff", "%wf32i"); + CHECK_SCANF1 (-1048575, "-03777777", "%wf32i"); + } + { + uint_fast32_t var; + int_fast32_t n; + CHECK_SCANF1 (1234567, "100101101011010000111", "%wf32b"); + CHECK_SCANF1 (1048575, "03777777", "%wf32o"); + CHECK_SCANF1 (999999, "999999", "%wf32u"); + CHECK_SCANF1 (987654, "f1206", "%wf32x"); + CHECK_SCANF1N (987654, "f1206", "%wf32x%wf32n"); + CHECK_SCANF1 (987655, "f1207", "%wf32X"); + } +#if INT_FAST32_MAX >= INT64_MAX + { + int_fast32_t var, n; + CHECK_SCANF1 (123456789012LL, "123456789012", "%wf32d"); + CHECK_SCANF1N (234567890123LL, "234567890123", "%wf32d%wf32n"); + CHECK_SCANF1 (-10101010101LL, "-10101010101", "%wf32d"); + CHECK_SCANF1 (3000000000000000LL, "3000000000000000", "%wf32i"); + CHECK_SCANF1 (-9876543210LL, "-9876543210", "%wf32i"); + CHECK_SCANF1 (1LL << 40, "0b10000000000000000000000000000000000000000", + "%wf32i"); + CHECK_SCANF1 (1LL << 41, "0x20000000000", "%wf32i"); + CHECK_SCANF1 (-(1LL << 42), "-0100000000000000", "%wf32i"); + } + { + uint_fast32_t var; + int_fast32_t n; + CHECK_SCANF1 (123456789012ULL, "1110010111110100110010001101000010100", + "%wf32b"); + CHECK_SCANF1 (1ULL << 40, "20000000000000", "%wf32o"); + CHECK_SCANF1 (999999999999ULL, "999999999999", "%wf32u"); + CHECK_SCANF1 (9876543210ULL, "24cb016ea", "%wf32x"); + CHECK_SCANF1N (9876543210ULL, "24cb016ea", "%wf32x%wf32n"); + CHECK_SCANF1 (9876543211ULL, "24cb016eb", "%wf32X"); + } +#endif +} + +static void +test_w64 (void) +{ + { + int64_t var, n; + CHECK_SCANF1 (123456789012LL, "123456789012", "%w64d"); + CHECK_SCANF1N (234567890123LL, "234567890123", "%w64d%w64n"); + CHECK_SCANF1 (-10101010101LL, "-10101010101", "%w64d"); + CHECK_SCANF1 (3000000000000000LL, "3000000000000000", "%w64i"); + CHECK_SCANF1 (-9876543210LL, "-9876543210", "%w64i"); + CHECK_SCANF1 (1LL << 40, "0b10000000000000000000000000000000000000000", + "%w64i"); + CHECK_SCANF1 (1LL << 41, "0x20000000000", "%w64i"); + CHECK_SCANF1 (-(1LL << 42), "-0100000000000000", "%w64i"); + } + { + uint64_t var; + int64_t n; + CHECK_SCANF1 (123456789012ULL, "1110010111110100110010001101000010100", + "%w64b"); + CHECK_SCANF1 (1ULL << 40, "20000000000000", "%w64o"); + CHECK_SCANF1 (999999999999ULL, "999999999999", "%w64u"); + CHECK_SCANF1 (9876543210ULL, "24cb016ea", "%w64x"); + CHECK_SCANF1N (9876543210ULL, "24cb016ea", "%w64x%w64n"); + CHECK_SCANF1 (9876543211ULL, "24cb016eb", "%w64X"); + } + { + int_least64_t var, n; + CHECK_SCANF1 (123456789012LL, "123456789012", "%w64d"); + CHECK_SCANF1N (234567890123LL, "234567890123", "%w64d%w64n"); + CHECK_SCANF1 (-10101010101LL, "-10101010101", "%w64d"); + CHECK_SCANF1 (3000000000000000LL, "3000000000000000", "%w64i"); + CHECK_SCANF1 (-9876543210LL, "-9876543210", "%w64i"); + CHECK_SCANF1 (1LL << 40, "0b10000000000000000000000000000000000000000", + "%w64i"); + CHECK_SCANF1 (1LL << 41, "0x20000000000", "%w64i"); + CHECK_SCANF1 (-(1LL << 42), "-0100000000000000", "%w64i"); + } + { + uint_least64_t var; + int_least64_t n; + CHECK_SCANF1 (123456789012ULL, "1110010111110100110010001101000010100", + "%w64b"); + CHECK_SCANF1 (1ULL << 40, "20000000000000", "%w64o"); + CHECK_SCANF1 (999999999999ULL, "999999999999", "%w64u"); + CHECK_SCANF1 (9876543210ULL, "24cb016ea", "%w64x"); + CHECK_SCANF1N (9876543210ULL, "24cb016ea", "%w64x%w64n"); + CHECK_SCANF1 (9876543211ULL, "24cb016eb", "%w64X"); + } +} + +static void +test_wf64 (void) +{ + { + int_fast64_t var, n; + CHECK_SCANF1 (123456789012LL, "123456789012", "%wf64d"); + CHECK_SCANF1N (234567890123LL, "234567890123", "%wf64d%wf64n"); + CHECK_SCANF1 (-10101010101LL, "-10101010101", "%wf64d"); + CHECK_SCANF1 (3000000000000000LL, "3000000000000000", "%wf64i"); + CHECK_SCANF1 (-9876543210LL, "-9876543210", "%wf64i"); + CHECK_SCANF1 (1LL << 40, "0b10000000000000000000000000000000000000000", + "%wf64i"); + CHECK_SCANF1 (1LL << 41, "0x20000000000", "%wf64i"); + CHECK_SCANF1 (-(1LL << 42), "-0100000000000000", "%wf64i"); + } + { + uint_fast64_t var; + int_fast64_t n; + CHECK_SCANF1 (123456789012ULL, "1110010111110100110010001101000010100", + "%wf64b"); + CHECK_SCANF1 (1ULL << 40, "20000000000000", "%wf64o"); + CHECK_SCANF1 (999999999999ULL, "999999999999", "%wf64u"); + CHECK_SCANF1 (9876543210ULL, "24cb016ea", "%wf64x"); + CHECK_SCANF1N (9876543210ULL, "24cb016ea", "%wf64x%wf64n"); + CHECK_SCANF1 (9876543211ULL, "24cb016eb", "%wf64X"); + } +} + +static int +do_test (void) +{ + int a, b; + test_w8 (); + test_wf8 (); + test_w16 (); + test_wf16 (); + test_w32 (); + test_wf32 (); + test_w64 (); + test_wf64 (); + /* Bad N in %wN and %wfN are required to produce an error return (of + the number of input items assigned) from scanf functions (and can + also be seen to be invalid at compile time). */ + DIAG_PUSH_NEEDS_COMMENT; + DIAG_IGNORE_NEEDS_COMMENT (13, "-Wformat"); + DIAG_IGNORE_NEEDS_COMMENT (13, "-Wformat-extra-args"); + CHECK_SCANF_ERR (0, "1", "%w1d", &a); + CHECK_SCANF_ERR (0, "1", "%w123d", &a); + CHECK_SCANF_ERR (0, "1", "%w99999999999999999999d", &a); + CHECK_SCANF_ERR (0, "1", "%wf1d", &a); + CHECK_SCANF_ERR (0, "1", "%wf123d", &a); + CHECK_SCANF_ERR (0, "1", "%wf99999999999999999999d", &a); + CHECK_SCANF_ERR (1, "1 1", "%d %w1d", &a, &b); + CHECK_SCANF_ERR (1, "1 1", "%d %w123d", &a, &b); + CHECK_SCANF_ERR (1, "1 1", "%d %w99999999999999999999d", &a, &b); + CHECK_SCANF_ERR (1, "1 1", "%d %wf1d", &a, &b); + CHECK_SCANF_ERR (1, "1 1", "%d %wf123d", &a, &b); + CHECK_SCANF_ERR (1, "1 1", "%d %wf99999999999999999999d", &a, &b); + CHECK_SCANF_ERR (0, "1", "%1$w1d", &a); + CHECK_SCANF_ERR (0, "1", "%1$w123d", &a); + CHECK_SCANF_ERR (0, "1", "%1$w99999999999999999999d", &a); + CHECK_SCANF_ERR (0, "1", "%1$wf1d", &a); + CHECK_SCANF_ERR (0, "1", "%1$wf123d", &a); + CHECK_SCANF_ERR (0, "1", "%1$wf99999999999999999999d", &a); + DIAG_POP_NEEDS_COMMENT; + return 0; +} + +DIAG_POP_NEEDS_COMMENT; + +#include <support/test-driver.c> |