076444ec46
Since the ISBLANK() and ISSPACE() macros check for specific matches, there is no point in using while(*ptr && ISSPACE(*ptr)) etc, as the '*ptr' check is then superfluous. Closes #16363
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at https://curl.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* SPDX-License-Identifier: curl
|
|
*
|
|
***************************************************************************/
|
|
|
|
#include "curl_setup.h"
|
|
|
|
#include "strtoofft.h"
|
|
#include "strparse.h"
|
|
|
|
/*
|
|
* Parse a positive number up to 63-bit number written in ASCII. Skip leading
|
|
* blanks. No support for prefixes.
|
|
*/
|
|
CURLofft curlx_strtoofft(const char *str, char **endp, int base,
|
|
curl_off_t *num)
|
|
{
|
|
curl_off_t number;
|
|
int rc;
|
|
*num = 0; /* clear by default */
|
|
DEBUGASSERT((base == 10) || (base == 16));
|
|
|
|
while(ISBLANK(*str))
|
|
str++;
|
|
|
|
rc = base == 10 ?
|
|
Curl_str_number(&str, &number, CURL_OFF_T_MAX) :
|
|
Curl_str_hex(&str, &number, CURL_OFF_T_MAX);
|
|
|
|
if(endp)
|
|
*endp = (char *)str;
|
|
if(rc == STRE_OVERFLOW)
|
|
/* overflow */
|
|
return CURL_OFFT_FLOW;
|
|
else if(rc)
|
|
/* nothing parsed */
|
|
return CURL_OFFT_INVAL;
|
|
|
|
*num = number;
|
|
return CURL_OFFT_OK;
|
|
}
|