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use "C" locale when parsing floating point numbers

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Floating point numbers in configuration files always use "." as separator,
so set the locale temporarily to "C" when calling strtod().
This commit is contained in:
Clemens Ladisch 2005-02-14 09:35:06 +00:00
parent f9b9015245
commit 49c9eba8e4
1 changed files with 10 additions and 2 deletions
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12
src/conf.c
View file

@ -420,6 +420,7 @@ beginning:</P>
#include <limits.h>
#include <sys/stat.h>
#include <pthread.h>
#include <locale.h>
#include "local.h"
#ifndef DOC_HIDDEN
@ -497,12 +498,19 @@ static int safe_strtod(const char *str, double *val)
{
char *end;
double v;
char *saved_locale;
int err;
if (!*str)
return -EINVAL;
saved_locale = setlocale(LC_NUMERIC, NULL);
setlocale(LC_NUMERIC, "C");
errno = 0;
v = strtod(str, &end);
if (errno)
return -errno;
err = -errno;
setlocale(LC_NUMERIC, saved_locale);
if (err)
return err;
if (*end)
return -EINVAL;
*val = v;