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/*
SSSD
SSSD Utility functions
Copyright (C) Stephen Gallagher <sgallagh@redhat.com> 2009
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 <http://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <stdlib.h>
#include <errno.h>
#include "config.h"
#include "util/util.h"
#include "util/strtonum.h"
/* strtoint32 */
int32_t strtoint32(const char *nptr, char **endptr, int base)
{
long long ret = 0;
errno = 0;
ret = strtoll(nptr, endptr, base);
if (ret > INT32_MAX) {
errno = ERANGE;
return INT32_MAX;
}
else if (ret < INT32_MIN) {
errno = ERANGE;
return INT32_MIN;
}
/* If errno was set by strtoll, we'll pass it back as-is */
return (int32_t)ret;
}
/* strtouint32 */
uint32_t strtouint32(const char *nptr, char **endptr, int base)
{
unsigned long long ret = 0;
errno = 0;
ret = strtoull(nptr, endptr, base);
if (ret > UINT32_MAX) {
errno = ERANGE;
return UINT32_MAX;
}
/* If errno was set by strtoll, we'll pass it back as-is */
return (uint32_t)ret;
}
/* strtouint16 */
uint16_t strtouint16(const char *nptr, char **endptr, int base)
{
unsigned long long ret = 0;
errno = 0;
ret = strtoull(nptr, endptr, base);
if (ret > UINT16_MAX) {
errno = ERANGE;
return UINT16_MAX;
}
/* If errno was set by strtoll, we'll pass it back as-is */
return (uint16_t)ret;
}
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