-/* xstrtod.c - error-checking interface to strtod
+/* error-checking interface to strtod-like functions
Copyright (C) 1996, 1999, 2000, 2003 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
#include <errno.h>
#include <limits.h>
#include <stdio.h>
-#include <stdlib.h>
/* Tell the compiler that non-default rounding modes are used. */
#if 199901 <= __STDC_VERSION__
/* An interface to strtod that encapsulates all the error checking
one should usually perform. Like strtod, but upon successful
conversion put the result in *RESULT and return zero. Return
- non-zero and don't modify *RESULT upon any failure. */
+ non-zero and don't modify *RESULT upon any failure. CONVERT
+ specifies the conversion function, e.g., strtod itself. */
int
-xstrtod (char const *str, char const **ptr, double *result)
+xstrtod (char const *str, char const **ptr, double *result,
+ double (*convert) (char const *, char **))
{
double val;
char *terminator;
fail = 0;
errno = 0;
- val = strtod (str, &terminator);
+ val = convert (str, &terminator);
/* Having a non-zero terminator is an error only when PTR is NULL. */
if (terminator == str || (ptr == NULL && *terminator != '\0'))