| /* |
| * Copyright (C) 2011-2020 Free Software Foundation, Inc. |
| * |
| * This program is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| #include <inttypes.h> |
| |
| #include "signature.h" |
| #ifndef strtoimax |
| SIGNATURE_CHECK (strtoimax, intmax_t, (const char *, char **, int)); |
| #endif |
| |
| #include <errno.h> |
| |
| #include "macros.h" |
| |
| int |
| main (void) |
| { |
| /* Subject sequence empty or invalid. */ |
| { |
| const char input[] = ""; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input); |
| ASSERT (errno == 0 || errno == EINVAL); |
| } |
| { |
| const char input[] = " "; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input); |
| ASSERT (errno == 0 || errno == EINVAL); |
| } |
| { |
| const char input[] = " +"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input); |
| ASSERT (errno == 0 || errno == EINVAL); |
| } |
| { |
| const char input[] = " -"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input); |
| ASSERT (errno == 0 || errno == EINVAL); |
| } |
| |
| /* Simple integer values. */ |
| { |
| const char input[] = "0"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input + 1); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = "+0"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input + 2); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = "-0"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 0); |
| ASSERT (ptr == input + 2); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = "23"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 23); |
| ASSERT (ptr == input + 2); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = " 23"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 23); |
| ASSERT (ptr == input + 3); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = "+23"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 23); |
| ASSERT (ptr == input + 3); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = "-23"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == -23); |
| ASSERT (ptr == input + 3); |
| ASSERT (errno == 0); |
| } |
| |
| /* Large integer values. */ |
| { |
| const char input[] = "2147483647"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == 2147483647); |
| ASSERT (ptr == input + 10); |
| ASSERT (errno == 0); |
| } |
| { |
| const char input[] = "-2147483648"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == -2147483647 - 1); |
| ASSERT (ptr == input + 11); |
| ASSERT (errno == 0); |
| } |
| if (sizeof (intmax_t) > sizeof (int)) |
| { |
| const char input[] = "4294967295"; |
| char *ptr; |
| intmax_t result; |
| errno = 0; |
| result = strtoimax (input, &ptr, 10); |
| ASSERT (result == (intmax_t) 65535 * (intmax_t) 65537); |
| ASSERT (ptr == input + 10); |
| ASSERT (errno == 0); |
| } |
| |
| return 0; |
| } |