source: MondoRescue/branches/stable/mindi-busybox/libbb/safe_strtol.c @ 821

Last change on this file since 821 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 1.9 KB
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * Utility routines.
4 *
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <stdlib.h>
23#include <errno.h>
24#include <assert.h>
25#include "libbb.h"
26
27#ifdef L_safe_strtoi
28int safe_strtoi(char *arg, int* value)
29{
30    int error;
31    long lvalue = *value;
32    error = safe_strtol(arg, &lvalue);
33    *value = (int) lvalue;
34    return error;
35}
36#endif
37
38#ifdef L_safe_strtod
39int safe_strtod(char *arg, double* value)
40{
41    char *endptr;
42    int errno_save = errno;
43
44    assert(arg!=NULL);
45    errno = 0;
46    *value = strtod(arg, &endptr);
47    if (errno != 0 || *endptr!='\0' || endptr==arg) {
48        return 1;
49    }
50    errno = errno_save;
51    return 0;
52}
53#endif
54
55#ifdef L_safe_strtol
56int safe_strtol(char *arg, long* value)
57{
58    char *endptr;
59    int errno_save = errno;
60
61    assert(arg!=NULL);
62    errno = 0;
63    *value = strtol(arg, &endptr, 0);
64    if (errno != 0 || *endptr!='\0' || endptr==arg) {
65        return 1;
66    }
67    errno = errno_save;
68    return 0;
69}
70#endif
71
72#ifdef L_safe_strtoul
73int safe_strtoul(char *arg, unsigned long* value)
74{
75    char *endptr;
76    int errno_save = errno;
77
78    assert(arg!=NULL);
79    errno = 0;
80    *value = strtoul(arg, &endptr, 0);
81    if (errno != 0 || *endptr!='\0' || endptr==arg) {
82        return 1;
83    }
84    errno = errno_save;
85    return 0;
86}
87#endif
88
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