| /* Copyright 2018 Alain Knaff. |
| * This file is part of mtools. |
| * |
| * Mtools 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. |
| * |
| * Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| #include "sysincludes.h" |
| #include "mtools.h" |
| |
| static long strtol_with_range(const char *nptr, char **endptr, int base, |
| long min, long max) { |
| long l = strtol(nptr, endptr, base); |
| if(l > max) { |
| errno = ERANGE; |
| return max; |
| } |
| if(l < min) { |
| errno = ERANGE; |
| return min; |
| } |
| return l; |
| } |
| |
| static long strtoul_with_range(const char *nptr, char **endptr, int base, |
| unsigned long max) { |
| unsigned long l = strtoul(nptr, endptr, base); |
| if(l > max) { |
| errno = ERANGE; |
| return max; |
| } |
| return l; |
| } |
| |
| #ifndef HAVE_STRTOUI |
| unsigned int strtoui(const char *nptr, char **endptr, int base) { |
| return (unsigned int) strtoul_with_range(nptr, endptr, base, UINT_MAX); |
| } |
| #endif |
| |
| unsigned int atoui(const char *str) { |
| return strtoui(str, 0, 0); |
| } |
| |
| #ifndef HAVE_STRTOI |
| int strtoi(const char *nptr, char **endptr, int base) { |
| return (int) strtol_with_range(nptr, endptr, base, INT_MIN, INT_MAX); |
| } |
| #endif |
| |
| unsigned long atoul(const char *str) { |
| return strtoul(str, 0, 0); |
| } |
| |
| uint8_t strtou8(const char *nptr, char **endptr, int base) { |
| return (uint8_t) strtoul_with_range(nptr, endptr, base, UINT8_MAX); |
| } |
| |
| uint8_t atou8(const char *str) { |
| return strtou8(str, 0, 0); |
| } |
| |
| uint16_t strtou16(const char *nptr, char **endptr, int base) { |
| return (uint16_t) strtoul_with_range(nptr, endptr, base, UINT16_MAX); |
| } |
| |
| uint16_t atou16(const char *str) { |
| return strtou16(str, 0, 0); |
| } |
| |
| uint32_t strtou32(const char *nptr, char **endptr, int base) { |
| return (uint32_t) strtoul_with_range(nptr, endptr, base, UINT32_MAX); |
| } |
| |
| uint32_t atou32(const char *str) { |
| return strtou32(str, 0, 0); |
| } |