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c29db0303d
curl/lib/warnless.c
Daniel Stenberg ac0a88fd25
copyright: fix year ranges 
Follow-up from 4d2f800677
2020-11-05 08:22:10 +01:00

509 lines
12 KiB
C
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2020, 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.
*
***************************************************************************/
#include "curl_setup.h"
#if defined(__INTEL_COMPILER) && defined(__unix__)
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
#endif /* __INTEL_COMPILER && __unix__ */
#define BUILDING_WARNLESS_C 1
#include "warnless.h"
#define CURL_MASK_SCHAR 0x7F
#define CURL_MASK_UCHAR 0xFF
#if (SIZEOF_SHORT == 2)
# define CURL_MASK_SSHORT 0x7FFF
# define CURL_MASK_USHORT 0xFFFF
#elif (SIZEOF_SHORT == 4)
# define CURL_MASK_SSHORT 0x7FFFFFFF
# define CURL_MASK_USHORT 0xFFFFFFFF
#elif (SIZEOF_SHORT == 8)
# define CURL_MASK_SSHORT 0x7FFFFFFFFFFFFFFF
# define CURL_MASK_USHORT 0xFFFFFFFFFFFFFFFF
#else
# error "SIZEOF_SHORT not defined"
#endif
#if (SIZEOF_INT == 2)
# define CURL_MASK_SINT 0x7FFF
# define CURL_MASK_UINT 0xFFFF
#elif (SIZEOF_INT == 4)
# define CURL_MASK_SINT 0x7FFFFFFF
# define CURL_MASK_UINT 0xFFFFFFFF
#elif (SIZEOF_INT == 8)
# define CURL_MASK_SINT 0x7FFFFFFFFFFFFFFF
# define CURL_MASK_UINT 0xFFFFFFFFFFFFFFFF
#elif (SIZEOF_INT == 16)
# define CURL_MASK_SINT 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
# define CURL_MASK_UINT 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
#else
# error "SIZEOF_INT not defined"
#endif
#if (SIZEOF_LONG == 2)
# define CURL_MASK_SLONG 0x7FFFL
# define CURL_MASK_ULONG 0xFFFFUL
#elif (SIZEOF_LONG == 4)
# define CURL_MASK_SLONG 0x7FFFFFFFL
# define CURL_MASK_ULONG 0xFFFFFFFFUL
#elif (SIZEOF_LONG == 8)
# define CURL_MASK_SLONG 0x7FFFFFFFFFFFFFFFL
# define CURL_MASK_ULONG 0xFFFFFFFFFFFFFFFFUL
#elif (SIZEOF_LONG == 16)
# define CURL_MASK_SLONG 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL
# define CURL_MASK_ULONG 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFUL
#else
# error "SIZEOF_LONG not defined"
#endif
#if (SIZEOF_CURL_OFF_T == 2)
# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFF)
# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFF)
#elif (SIZEOF_CURL_OFF_T == 4)
# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFFFFFF)
# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFFFFFF)
#elif (SIZEOF_CURL_OFF_T == 8)
# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFF)
#elif (SIZEOF_CURL_OFF_T == 16)
# define CURL_MASK_SCOFFT CURL_OFF_T_C(0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
# define CURL_MASK_UCOFFT CURL_OFF_TU_C(0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)
#else
# error "SIZEOF_CURL_OFF_T not defined"
#endif
#if (SIZEOF_SIZE_T == SIZEOF_SHORT)
# define CURL_MASK_SSIZE_T CURL_MASK_SSHORT
# define CURL_MASK_USIZE_T CURL_MASK_USHORT
#elif (SIZEOF_SIZE_T == SIZEOF_INT)
# define CURL_MASK_SSIZE_T CURL_MASK_SINT
# define CURL_MASK_USIZE_T CURL_MASK_UINT
#elif (SIZEOF_SIZE_T == SIZEOF_LONG)
# define CURL_MASK_SSIZE_T CURL_MASK_SLONG
# define CURL_MASK_USIZE_T CURL_MASK_ULONG
#elif (SIZEOF_SIZE_T == SIZEOF_CURL_OFF_T)
# define CURL_MASK_SSIZE_T CURL_MASK_SCOFFT
# define CURL_MASK_USIZE_T CURL_MASK_UCOFFT
#else
# error "SIZEOF_SIZE_T not defined"
#endif
/*
** unsigned long to unsigned short
*/
unsigned short curlx_ultous(unsigned long ulnum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_USHORT);
return (unsigned short)(ulnum & (unsigned long) CURL_MASK_USHORT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned long to unsigned char
*/
unsigned char curlx_ultouc(unsigned long ulnum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_UCHAR);
return (unsigned char)(ulnum & (unsigned long) CURL_MASK_UCHAR);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned long to signed int
*/
int curlx_ultosi(unsigned long ulnum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(ulnum <= (unsigned long) CURL_MASK_SINT);
return (int)(ulnum & (unsigned long) CURL_MASK_SINT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned size_t to signed curl_off_t
*/
curl_off_t curlx_uztoso(size_t uznum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#elif defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable:4310) /* cast truncates constant value */
#endif
DEBUGASSERT(uznum <= (size_t) CURL_MASK_SCOFFT);
return (curl_off_t)(uznum & (size_t) CURL_MASK_SCOFFT);
#if defined(__INTEL_COMPILER) || defined(_MSC_VER)
# pragma warning(pop)
#endif
}
/*
** unsigned size_t to signed int
*/
int curlx_uztosi(size_t uznum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(uznum <= (size_t) CURL_MASK_SINT);
return (int)(uznum & (size_t) CURL_MASK_SINT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned size_t to unsigned long
*/
unsigned long curlx_uztoul(size_t uznum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
#if (SIZEOF_LONG < SIZEOF_SIZE_T)
DEBUGASSERT(uznum <= (size_t) CURL_MASK_ULONG);
#endif
return (unsigned long)(uznum & (size_t) CURL_MASK_ULONG);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned size_t to unsigned int
*/
unsigned int curlx_uztoui(size_t uznum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
#if (SIZEOF_INT < SIZEOF_SIZE_T)
DEBUGASSERT(uznum <= (size_t) CURL_MASK_UINT);
#endif
return (unsigned int)(uznum & (size_t) CURL_MASK_UINT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** signed long to signed int
*/
int curlx_sltosi(long slnum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(slnum >= 0);
#if (SIZEOF_INT < SIZEOF_LONG)
DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_SINT);
#endif
return (int)(slnum & (long) CURL_MASK_SINT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** signed long to unsigned int
*/
unsigned int curlx_sltoui(long slnum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(slnum >= 0);
#if (SIZEOF_INT < SIZEOF_LONG)
DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_UINT);
#endif
return (unsigned int)(slnum & (long) CURL_MASK_UINT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** signed long to unsigned short
*/
unsigned short curlx_sltous(long slnum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(slnum >= 0);
DEBUGASSERT((unsigned long) slnum <= (unsigned long) CURL_MASK_USHORT);
return (unsigned short)(slnum & (long) CURL_MASK_USHORT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned size_t to signed ssize_t
*/
ssize_t curlx_uztosz(size_t uznum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(uznum <= (size_t) CURL_MASK_SSIZE_T);
return (ssize_t)(uznum & (size_t) CURL_MASK_SSIZE_T);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** signed curl_off_t to unsigned size_t
*/
size_t curlx_sotouz(curl_off_t sonum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(sonum >= 0);
return (size_t)(sonum & (curl_off_t) CURL_MASK_USIZE_T);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** signed ssize_t to signed int
*/
int curlx_sztosi(ssize_t sznum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(sznum >= 0);
#if (SIZEOF_INT < SIZEOF_SIZE_T)
DEBUGASSERT((size_t) sznum <= (size_t) CURL_MASK_SINT);
#endif
return (int)(sznum & (ssize_t) CURL_MASK_SINT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** unsigned int to unsigned short
*/
unsigned short curlx_uitous(unsigned int uinum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(uinum <= (unsigned int) CURL_MASK_USHORT);
return (unsigned short) (uinum & (unsigned int) CURL_MASK_USHORT);
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
/*
** signed int to unsigned size_t
*/
size_t curlx_sitouz(int sinum)
{
#ifdef __INTEL_COMPILER
# pragma warning(push)
# pragma warning(disable:810) /* conversion may lose significant bits */
#endif
DEBUGASSERT(sinum >= 0);
return (size_t) sinum;
#ifdef __INTEL_COMPILER
# pragma warning(pop)
#endif
}
#ifdef USE_WINSOCK
/*
** curl_socket_t to signed int
*/
int curlx_sktosi(curl_socket_t s)
{
return (int)((ssize_t) s);
}
/*
** signed int to curl_socket_t
*/
curl_socket_t curlx_sitosk(int i)
{
return (curl_socket_t)((ssize_t) i);
}
#endif /* USE_WINSOCK */
#if defined(WIN32) || defined(_WIN32)
ssize_t curlx_read(int fd, void *buf, size_t count)
{
return (ssize_t)read(fd, buf, curlx_uztoui(count));
}
ssize_t curlx_write(int fd, const void *buf, size_t count)
{
return (ssize_t)write(fd, buf, curlx_uztoui(count));
}
#endif /* WIN32 || _WIN32 */
#if defined(__INTEL_COMPILER) && defined(__unix__)
int curlx_FD_ISSET(int fd, fd_set *fdset)
{
#pragma warning(push)
#pragma warning(disable:1469) /* clobber ignored */
return FD_ISSET(fd, fdset);
#pragma warning(pop)
}
void curlx_FD_SET(int fd, fd_set *fdset)
{
#pragma warning(push)
#pragma warning(disable:1469) /* clobber ignored */
FD_SET(fd, fdset);
#pragma warning(pop)
}
void curlx_FD_ZERO(fd_set *fdset)
{
#pragma warning(push)
#pragma warning(disable:593) /* variable was set but never used */
FD_ZERO(fdset);
#pragma warning(pop)
}
unsigned short curlx_htons(unsigned short usnum)
{
#if (__INTEL_COMPILER == 910) && defined(__i386__)
return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
#else
#pragma warning(push)
#pragma warning(disable:810) /* conversion may lose significant bits */
return htons(usnum);
#pragma warning(pop)
#endif
}
unsigned short curlx_ntohs(unsigned short usnum)
{
#if (__INTEL_COMPILER == 910) && defined(__i386__)
return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
#else
#pragma warning(push)
#pragma warning(disable:810) /* conversion may lose significant bits */
return ntohs(usnum);
#pragma warning(pop)
#endif
}
#endif /* __INTEL_COMPILER && __unix__ */
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