diff options
Diffstat (limited to 'libs/libcurl/src/curlx/warnless.c')
| -rw-r--r-- | libs/libcurl/src/curlx/warnless.c | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/libs/libcurl/src/curlx/warnless.c b/libs/libcurl/src/curlx/warnless.c new file mode 100644 index 0000000000..de43a2c17b --- /dev/null +++ b/libs/libcurl/src/curlx/warnless.c @@ -0,0 +1,315 @@ +/***************************************************************************
+ * _ _ ____ _
+ * 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 "warnless.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__ */
+
+#ifdef _WIN32
+#undef read
+#undef write
+#endif
+
+#include <limits.h>
+
+#define CURL_MASK_UCHAR ((unsigned char)~0)
+
+#define CURL_MASK_USHORT ((unsigned short)~0)
+
+#define CURL_MASK_UINT ((unsigned int)~0)
+#define CURL_MASK_SINT (CURL_MASK_UINT >> 1)
+
+#define CURL_MASK_ULONG ((unsigned long)~0)
+
+#define CURL_MASK_USIZE_T ((size_t)~0)
+#define CURL_MASK_SSIZE_T (CURL_MASK_USIZE_T >> 1)
+
+/*
+** 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 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 ULONG_MAX < SIZE_T_MAX
+ 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 UINT_MAX < SIZE_T_MAX
+ 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 INT_MAX < LONG_MAX
+ 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 UINT_MAX < LONG_MAX
+ 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 INT_MAX < SSIZE_T_MAX
+ 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 _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 */
+
+/* Ensure that warnless.h redefinitions continue to have an effect
+ in "unity" builds. */
+#undef HEADER_CURL_WARNLESS_H_REDEFS
|