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libxmount.c
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libxmount.c
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/*******************************************************************************
* xmount Copyright (c) 2008-2014 by Gillen Daniel <gillen.dan@pinguin.lu> *
* *
* 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 <config.h>
#include <stdlib.h>
#include <stdint.h>
#include <errno.h>
#include "libxmount.h"
/*
* StrToInt32
*/
int32_t StrToInt32(const char *p_value, int *p_ok) {
long int num;
char *p_tail;
errno=0;
num=strtol(p_value,&p_tail,0);
if(errno==ERANGE || *p_tail!='\0' || num<INT32_MIN || num>INT32_MAX) {
*p_ok=0;
return 0;
}
*p_ok=1;
return (int32_t)num;
}
/*
* StrToUint32
*/
uint32_t StrToUint32(const char *p_value, int *p_ok) {
unsigned long int num;
char *p_tail;
errno=0;
num=strtoul(p_value,&p_tail,0);
if(errno==ERANGE || *p_tail!='\0' || num>UINT32_MAX) {
*p_ok=0;
return 0;
}
*p_ok=1;
return (uint32_t)num;
}
/*
* StrToInt64
*/
int64_t StrToInt64(const char *p_value, int *p_ok) {
long long int num;
char *p_tail;
errno=0;
num=strtoll(p_value,&p_tail,0);
if(errno==ERANGE || *p_tail!='\0' || num<INT64_MIN || num>INT64_MAX) {
*p_ok=0;
return 0;
}
*p_ok=1;
return (int64_t)num;
}
/*
* StrToUint64
*/
uint64_t StrToUint64(const char *p_value, int *p_ok) {
unsigned long long int num;
char *p_tail;
errno=0;
num=strtoull(p_value,&p_tail,0);
if(errno==ERANGE || *p_tail!='\0' || num>UINT64_MAX) {
*p_ok=0;
return 0;
}
*p_ok=1;
return (uint64_t)num;
}

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libxmount.c (2 KB)

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