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/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <stdlib.h>
#include <errno.h>
#include <assert.h>
#include "libbb.h"
#ifdef L_safe_strtoi
int safe_strtoi(char *arg, int* value)
{
int error;
long lvalue = *value;
error = safe_strtol(arg, &lvalue);
*value = (int) lvalue;
return error;
}
#endif
#ifdef L_safe_strtod
int safe_strtod(char *arg, double* value)
{
char *endptr;
int errno_save = errno;
assert(arg!=NULL);
errno = 0;
*value = strtod(arg, &endptr);
if (errno != 0 || *endptr!='\0' || endptr==arg) {
return 1;
}
errno = errno_save;
return 0;
}
#endif
#ifdef L_safe_strtol
int safe_strtol(char *arg, long* value)
{
char *endptr;
int errno_save = errno;
assert(arg!=NULL);
errno = 0;
*value = strtol(arg, &endptr, 0);
if (errno != 0 || *endptr!='\0' || endptr==arg) {
return 1;
}
errno = errno_save;
return 0;
}
#endif
#ifdef L_safe_strtoul
int safe_strtoul(char *arg, unsigned long* value)
{
char *endptr;
int errno_save = errno;
assert(arg!=NULL);
errno = 0;
*value = strtoul(arg, &endptr, 0);
if (errno != 0 || *endptr!='\0' || endptr==arg) {
return 1;
}
errno = errno_save;
return 0;
}
#endif
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