88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
/* Copyright 2018 Alain Knaff.
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* This file is part of mtools.
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*
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* Mtools is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Mtools is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mtools. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "sysincludes.h"
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#include "mtools.h"
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static long strtol_with_range(const char *nptr, char **endptr, int base,
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long min, long max) {
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long l = strtol(nptr, endptr, base);
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if(l > max) {
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errno = ERANGE;
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return max;
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}
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if(l < min) {
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errno = ERANGE;
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return min;
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}
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return l;
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}
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static long strtoul_with_range(const char *nptr, char **endptr, int base,
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unsigned long max) {
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unsigned long l = strtoul(nptr, endptr, base);
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if(l > max) {
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errno = ERANGE;
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return max;
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}
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return l;
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}
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#ifndef HAVE_STRTOUI
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unsigned int strtoui(const char *nptr, char **endptr, int base) {
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return (unsigned int) strtoul_with_range(nptr, endptr, base, UINT_MAX);
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}
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#endif
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unsigned int atoui(const char *str) {
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return strtoui(str, 0, 0);
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}
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#ifndef HAVE_STRTOI
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int strtoi(const char *nptr, char **endptr, int base) {
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return (int) strtol_with_range(nptr, endptr, base, INT_MIN, INT_MAX);
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}
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#endif
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unsigned long atoul(const char *str) {
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return strtoul(str, 0, 0);
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}
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uint8_t strtou8(const char *nptr, char **endptr, int base) {
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return (uint8_t) strtoul_with_range(nptr, endptr, base, UINT8_MAX);
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}
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uint8_t atou8(const char *str) {
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return strtou8(str, 0, 0);
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}
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uint16_t strtou16(const char *nptr, char **endptr, int base) {
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return (uint16_t) strtoul_with_range(nptr, endptr, base, UINT16_MAX);
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}
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uint16_t atou16(const char *str) {
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return strtou16(str, 0, 0);
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}
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uint32_t strtou32(const char *nptr, char **endptr, int base) {
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return (uint32_t) strtoul_with_range(nptr, endptr, base, UINT32_MAX);
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}
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uint32_t atou32(const char *str) {
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return strtou32(str, 0, 0);
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}
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