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/*
* Copyright © 2014 Intel Corporation.
*
* Contact: Imran Zaman <imran.zaman@linux.intel.com>
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <limits.h>
#ifdef IN_WESTON
#include <wayland-util.h>
#else
#define WL_EXPORT
#endif
#include "str-util.h"
static bool
convert_strtol(const char *str, char **endptr, int base, long *val)
{
char *end = NULL;
long v;
int prev_errno = errno;
if (!str || !val)
return false;
if (!endptr)
endptr = &end;
errno = 0;
v = strtol(str, endptr, base);
if (errno != 0 || *endptr == str || **endptr != '\0')
return false;
errno = prev_errno;
*val = v;
return true;
}
static bool
convert_strtoul (const char *str, char **endptr, int base, unsigned long *val)
{
char *end = NULL;
unsigned long v;
int i = 0;
int prev_errno = errno;
if (!str || !val)
return false;
/* check for negative numbers */
while (str[i]) {
if (!isspace(str[i])) {
if (str[i] == '-')
return false;
else
break;
}
i++;
}
if (!endptr)
endptr = &end;
errno = 0;
v = strtoul(str, endptr, base);
if (errno != 0 || *endptr == str || **endptr != '\0')
return false;
errno = prev_errno;
*val = v;
return true;
}
WL_EXPORT bool
weston_strtoi(const char *str, char **endptr, int base, int *val)
{
long v;
if (!convert_strtol(str, endptr, base, &v) || v > INT_MAX
|| v < INT_MIN)
return false;
*val = (int)v;
return true;
}
WL_EXPORT bool
weston_strtol(const char *str, char **endptr, int base, long *val)
{
return convert_strtol(str, endptr, base, val);
}
WL_EXPORT bool
weston_strtoui(const char *str, char **endptr, int base, unsigned int *val)
{
unsigned long v;
if (!convert_strtoul(str, endptr, base, &v) || v > UINT_MAX)
return false;
*val = (unsigned int)v;
return true;
}
WL_EXPORT bool
weston_strtoul(const char *str, char **endptr, int base, unsigned long *val)
{
return convert_strtoul(str, endptr, base, val);
}
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