diff options
Diffstat (limited to 'libs/libcurl/src/strtoofft.c')
| -rw-r--r-- | libs/libcurl/src/strtoofft.c | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/libs/libcurl/src/strtoofft.c b/libs/libcurl/src/strtoofft.c deleted file mode 100644 index 141d485331..0000000000 --- a/libs/libcurl/src/strtoofft.c +++ /dev/null @@ -1,240 +0,0 @@ -/***************************************************************************
- * _ _ ____ _
- * 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 <errno.h>
-#include "curl_setup.h"
-
-#include "strtoofft.h"
-
-/*
- * NOTE:
- *
- * In the ISO C standard (IEEE Std 1003.1), there is a strtoimax() function we
- * could use in case strtoll() does not exist... See
- * https://www.opengroup.org/onlinepubs/009695399/functions/strtoimax.html
- */
-
-#if (SIZEOF_CURL_OFF_T > SIZEOF_LONG)
-# ifdef HAVE_STRTOLL
-# define strtooff strtoll
-# else
-# if defined(_MSC_VER) && (_MSC_VER >= 1300) && (_INTEGRAL_MAX_BITS >= 64)
-# if defined(_SAL_VERSION)
- _Check_return_ _CRTIMP __int64 __cdecl _strtoi64(
- _In_z_ const char *_String,
- _Out_opt_ _Deref_post_z_ char **_EndPtr, _In_ int _Radix);
-# else
- _CRTIMP __int64 __cdecl _strtoi64(const char *_String,
- char **_EndPtr, int _Radix);
-# endif
-# define strtooff _strtoi64
-# else
-# define PRIVATE_STRTOOFF 1
-# endif
-# endif
-#else
-# define strtooff strtol
-#endif
-
-#ifdef PRIVATE_STRTOOFF
-
-/* Range tests can be used for alphanum decoding if characters are consecutive,
- like in ASCII. Else an array is scanned. Determine this condition now. */
-
-#if('9' - '0') != 9 || ('Z' - 'A') != 25 || ('z' - 'a') != 25
-
-#define NO_RANGE_TEST
-
-static const char valchars[] =
- "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-#endif
-
-static int get_char(char c, int base);
-
-/**
- * Custom version of the strtooff function. This extracts a curl_off_t
- * value from the given input string and returns it.
- */
-static curl_off_t strtooff(const char *nptr, char **endptr, int base)
-{
- char *end;
- bool is_negative = FALSE;
- bool overflow = FALSE;
- int i;
- curl_off_t value = 0;
-
- /* Skip leading whitespace. */
- end = (char *)nptr;
- while(ISBLANK(end[0])) {
- end++;
- }
-
- /* Handle the sign, if any. */
- if(end[0] == '-') {
- is_negative = TRUE;
- end++;
- }
- else if(end[0] == '+') {
- end++;
- }
- else if(end[0] == '\0') {
- /* We had nothing but perhaps some whitespace -- there was no number. */
- if(endptr) {
- *endptr = end;
- }
- return 0;
- }
-
- /* Handle special beginnings, if present and allowed. */
- if(end[0] == '0' && end[1] == 'x') {
- if(base == 16 || base == 0) {
- end += 2;
- base = 16;
- }
- }
- else if(end[0] == '0') {
- if(base == 8 || base == 0) {
- end++;
- base = 8;
- }
- }
-
- /* Matching strtol, if the base is 0 and it does not look like
- * the number is octal or hex, we assume it is base 10.
- */
- if(base == 0) {
- base = 10;
- }
-
- /* Loop handling digits. */
- for(i = get_char(end[0], base);
- i != -1;
- end++, i = get_char(end[0], base)) {
-
- if(value > (CURL_OFF_T_MAX - i) / base) {
- overflow = TRUE;
- break;
- }
- value = base * value + i;
- }
-
- if(!overflow) {
- if(is_negative) {
- /* Fix the sign. */
- value *= -1;
- }
- }
- else {
- if(is_negative)
- value = CURL_OFF_T_MIN;
- else
- value = CURL_OFF_T_MAX;
-
- errno = ERANGE;
- }
-
- if(endptr)
- *endptr = end;
-
- return value;
-}
-
-/**
- * Returns the value of c in the given base, or -1 if c cannot
- * be interpreted properly in that base (i.e., is out of range,
- * is a null, etc.).
- *
- * @param c the character to interpret according to base
- * @param base the base in which to interpret c
- *
- * @return the value of c in base, or -1 if c is not in range
- */
-static int get_char(char c, int base)
-{
-#ifndef NO_RANGE_TEST
- int value = -1;
- if(c <= '9' && c >= '0') {
- value = c - '0';
- }
- else if(c <= 'Z' && c >= 'A') {
- value = c - 'A' + 10;
- }
- else if(c <= 'z' && c >= 'a') {
- value = c - 'a' + 10;
- }
-#else
- const char *cp;
- int value;
-
- cp = memchr(valchars, c, 10 + 26 + 26);
-
- if(!cp)
- return -1;
-
- value = cp - valchars;
-
- if(value >= 10 + 26)
- value -= 26; /* Lowercase. */
-#endif
-
- if(value >= base) {
- value = -1;
- }
-
- return value;
-}
-#endif /* Only present if we need strtoll, but do not have it. */
-
-/*
- * Parse a *positive* up to 64-bit number written in ASCII.
- */
-CURLofft curlx_strtoofft(const char *str, char **endp, int base,
- curl_off_t *num)
-{
- char *end = NULL;
- curl_off_t number;
- errno = 0;
- *num = 0; /* clear by default */
- DEBUGASSERT(base); /* starting now, avoid base zero */
-
- while(*str && ISBLANK(*str))
- str++;
- if(('-' == *str) || (ISSPACE(*str))) {
- if(endp)
- *endp = (char *)str; /* did not actually move */
- return CURL_OFFT_INVAL; /* nothing parsed */
- }
- number = strtooff(str, &end, base);
- if(endp)
- *endp = end;
- if(errno == ERANGE)
- /* overflow/underflow */
- return CURL_OFFT_FLOW;
- else if(str == end)
- /* nothing parsed */
- return CURL_OFFT_INVAL;
-
- *num = number;
- return CURL_OFFT_OK;
-}
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