Restoring authorship annotation for Nikita Slyusarev <nslus@yandex-team.com>. Commit 2 of 2.

1 files changed, 490 insertions, 490 deletions

diff --git a/contrib/libs/curl/lib/curl_setup_once.h b/contrib/libs/curl/lib/curl_setup_once.h
index e19c264bb4..ef60bc7ae7 100644
--- a/contrib/libs/curl/lib/curl_setup_once.h
+++ b/contrib/libs/curl/lib/curl_setup_once.h
@@ -1,499 +1,499 @@
-#ifndef HEADER_CURL_SETUP_ONCE_H 
-#define HEADER_CURL_SETUP_ONCE_H 
-/*************************************************************************** 
- *                                  _   _ ____  _ 
- *  Project                     ___| | | |  _ \| | 
- *                             / __| | | | |_) | | 
- *                            | (__| |_| |  _ <| |___ 
- *                             \___|\___/|_| \_\_____| 
- * 
+#ifndef HEADER_CURL_SETUP_ONCE_H
+#define HEADER_CURL_SETUP_ONCE_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  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 
+ *
+ * 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. 
- * 
- ***************************************************************************/ 
- 
- 
-/* 
- * Inclusion of common header files. 
- */ 
- 
-#include <stdio.h> 
-#include <stdlib.h> 
-#include <string.h> 
-#include <stdarg.h> 
-#include <ctype.h> 
- 
-#ifdef HAVE_ERRNO_H 
-#include <errno.h> 
-#endif 
- 
-#ifdef HAVE_SYS_TYPES_H 
-#include <sys/types.h> 
-#endif 
- 
-#ifdef NEED_MALLOC_H 
-#include <malloc.h> 
-#endif 
- 
-#ifdef NEED_MEMORY_H 
-#include <memory.h> 
-#endif 
- 
-#ifdef HAVE_SYS_STAT_H 
-#include <sys/stat.h> 
-#endif 
- 
-#ifdef HAVE_SYS_TIME_H 
-#include <sys/time.h> 
-#ifdef TIME_WITH_SYS_TIME 
-#include <time.h> 
-#endif 
-#else 
-#ifdef HAVE_TIME_H 
-#include <time.h> 
-#endif 
-#endif 
- 
-#ifdef WIN32 
-#include <io.h> 
-#include <fcntl.h> 
-#endif 
- 
-#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T) 
-#include <stdbool.h> 
-#endif 
- 
-#ifdef HAVE_UNISTD_H 
-#include <unistd.h> 
-#endif 
- 
-#ifdef __hpux 
-#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL) 
-#    ifdef _APP32_64BIT_OFF_T 
-#      define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T 
-#      undef _APP32_64BIT_OFF_T 
-#    else 
-#      undef OLD_APP32_64BIT_OFF_T 
-#    endif 
-#  endif 
-#endif 
- 
-#ifdef HAVE_SYS_SOCKET_H 
-#include <sys/socket.h> 
-#endif 
- 
-#ifdef __hpux 
-#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL) 
-#    ifdef OLD_APP32_64BIT_OFF_T 
-#      define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T 
-#      undef OLD_APP32_64BIT_OFF_T 
-#    endif 
-#  endif 
-#endif 
- 
-/* 
- * Definition of timeval struct for platforms that don't have it. 
- */ 
- 
-#ifndef HAVE_STRUCT_TIMEVAL 
-struct timeval { 
- long tv_sec; 
- long tv_usec; 
-}; 
-#endif 
- 
- 
-/* 
- * If we have the MSG_NOSIGNAL define, make sure we use 
- * it as the fourth argument of function send() 
- */ 
- 
-#ifdef HAVE_MSG_NOSIGNAL 
-#define SEND_4TH_ARG MSG_NOSIGNAL 
-#else 
-#define SEND_4TH_ARG 0 
-#endif 
- 
- 
-#if defined(__minix) 
-/* Minix doesn't support recv on TCP sockets */ 
-#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \ 
-                                   (RECV_TYPE_ARG2)(y), \ 
-                                   (RECV_TYPE_ARG3)(z)) 
- 
-#elif defined(HAVE_RECV) 
-/* 
- * The definitions for the return type and arguments types 
- * of functions recv() and send() belong and come from the 
- * configuration file. Do not define them in any other place. 
- * 
- * HAVE_RECV is defined if you have a function named recv() 
- * which is used to read incoming data from sockets. If your 
- * function has another name then don't define HAVE_RECV. 
- * 
- * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2, 
- * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also 
- * be defined. 
- * 
- * HAVE_SEND is defined if you have a function named send() 
- * which is used to write outgoing data on a connected socket. 
- * If yours has another name then don't define HAVE_SEND. 
- * 
- * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2, 
- * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and 
- * SEND_TYPE_RETV must also be defined. 
- */ 
- 
-#if !defined(RECV_TYPE_ARG1) || \ 
-    !defined(RECV_TYPE_ARG2) || \ 
-    !defined(RECV_TYPE_ARG3) || \ 
-    !defined(RECV_TYPE_ARG4) || \ 
-    !defined(RECV_TYPE_RETV) 
-  /* */ 
-  Error Missing_definition_of_return_and_arguments_types_of_recv 
-  /* */ 
-#else 
-#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \ 
-                                   (RECV_TYPE_ARG2)(y), \ 
-                                   (RECV_TYPE_ARG3)(z), \ 
-                                   (RECV_TYPE_ARG4)(0)) 
-#endif 
-#else /* HAVE_RECV */ 
-#ifndef sread 
-  /* */ 
-  Error Missing_definition_of_macro_sread 
-  /* */ 
-#endif 
-#endif /* HAVE_RECV */ 
- 
- 
-#if defined(__minix) 
-/* Minix doesn't support send on TCP sockets */ 
-#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \ 
-                                    (SEND_TYPE_ARG2)(y), \ 
-                                    (SEND_TYPE_ARG3)(z)) 
- 
-#elif defined(HAVE_SEND) 
-#if !defined(SEND_TYPE_ARG1) || \ 
-    !defined(SEND_QUAL_ARG2) || \ 
-    !defined(SEND_TYPE_ARG2) || \ 
-    !defined(SEND_TYPE_ARG3) || \ 
-    !defined(SEND_TYPE_ARG4) || \ 
-    !defined(SEND_TYPE_RETV) 
-  /* */ 
-  Error Missing_definition_of_return_and_arguments_types_of_send 
-  /* */ 
-#else 
-#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \ 
+ *
+ * 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.
+ *
+ ***************************************************************************/
+
+
+/*
+ * Inclusion of common header files.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef NEED_MALLOC_H
+#include <malloc.h>
+#endif
+
+#ifdef NEED_MEMORY_H
+#include <memory.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
+#else
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#endif
+
+#ifdef WIN32
+#include <io.h>
+#include <fcntl.h>
+#endif
+
+#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T)
+#include <stdbool.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef __hpux
+#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
+#    ifdef _APP32_64BIT_OFF_T
+#      define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T
+#      undef _APP32_64BIT_OFF_T
+#    else
+#      undef OLD_APP32_64BIT_OFF_T
+#    endif
+#  endif
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef __hpux
+#  if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL)
+#    ifdef OLD_APP32_64BIT_OFF_T
+#      define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T
+#      undef OLD_APP32_64BIT_OFF_T
+#    endif
+#  endif
+#endif
+
+/*
+ * Definition of timeval struct for platforms that don't have it.
+ */
+
+#ifndef HAVE_STRUCT_TIMEVAL
+struct timeval {
+ long tv_sec;
+ long tv_usec;
+};
+#endif
+
+
+/*
+ * If we have the MSG_NOSIGNAL define, make sure we use
+ * it as the fourth argument of function send()
+ */
+
+#ifdef HAVE_MSG_NOSIGNAL
+#define SEND_4TH_ARG MSG_NOSIGNAL
+#else
+#define SEND_4TH_ARG 0
+#endif
+
+
+#if defined(__minix)
+/* Minix doesn't support recv on TCP sockets */
+#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \
+                                   (RECV_TYPE_ARG2)(y), \
+                                   (RECV_TYPE_ARG3)(z))
+
+#elif defined(HAVE_RECV)
+/*
+ * The definitions for the return type and arguments types
+ * of functions recv() and send() belong and come from the
+ * configuration file. Do not define them in any other place.
+ *
+ * HAVE_RECV is defined if you have a function named recv()
+ * which is used to read incoming data from sockets. If your
+ * function has another name then don't define HAVE_RECV.
+ *
+ * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2,
+ * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also
+ * be defined.
+ *
+ * HAVE_SEND is defined if you have a function named send()
+ * which is used to write outgoing data on a connected socket.
+ * If yours has another name then don't define HAVE_SEND.
+ *
+ * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2,
+ * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and
+ * SEND_TYPE_RETV must also be defined.
+ */
+
+#if !defined(RECV_TYPE_ARG1) || \
+    !defined(RECV_TYPE_ARG2) || \
+    !defined(RECV_TYPE_ARG3) || \
+    !defined(RECV_TYPE_ARG4) || \
+    !defined(RECV_TYPE_RETV)
+  /* */
+  Error Missing_definition_of_return_and_arguments_types_of_recv
+  /* */
+#else
+#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \
+                                   (RECV_TYPE_ARG2)(y), \
+                                   (RECV_TYPE_ARG3)(z), \
+                                   (RECV_TYPE_ARG4)(0))
+#endif
+#else /* HAVE_RECV */
+#ifndef sread
+  /* */
+  Error Missing_definition_of_macro_sread
+  /* */
+#endif
+#endif /* HAVE_RECV */
+
+
+#if defined(__minix)
+/* Minix doesn't support send on TCP sockets */
+#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \
+                                    (SEND_TYPE_ARG2)(y), \
+                                    (SEND_TYPE_ARG3)(z))
+
+#elif defined(HAVE_SEND)
+#if !defined(SEND_TYPE_ARG1) || \
+    !defined(SEND_QUAL_ARG2) || \
+    !defined(SEND_TYPE_ARG2) || \
+    !defined(SEND_TYPE_ARG3) || \
+    !defined(SEND_TYPE_ARG4) || \
+    !defined(SEND_TYPE_RETV)
+  /* */
+  Error Missing_definition_of_return_and_arguments_types_of_send
+  /* */
+#else
+#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \
                                     (SEND_QUAL_ARG2 SEND_TYPE_ARG2)(y), \
-                                    (SEND_TYPE_ARG3)(z), \ 
-                                    (SEND_TYPE_ARG4)(SEND_4TH_ARG)) 
-#endif 
-#else /* HAVE_SEND */ 
-#ifndef swrite 
-  /* */ 
-  Error Missing_definition_of_macro_swrite 
-  /* */ 
-#endif 
-#endif /* HAVE_SEND */ 
- 
- 
-#if 0 
-#if defined(HAVE_RECVFROM) 
-/* 
- * Currently recvfrom is only used on udp sockets. 
- */ 
-#if !defined(RECVFROM_TYPE_ARG1) || \ 
-    !defined(RECVFROM_TYPE_ARG2) || \ 
-    !defined(RECVFROM_TYPE_ARG3) || \ 
-    !defined(RECVFROM_TYPE_ARG4) || \ 
-    !defined(RECVFROM_TYPE_ARG5) || \ 
-    !defined(RECVFROM_TYPE_ARG6) || \ 
-    !defined(RECVFROM_TYPE_RETV) 
-  /* */ 
-  Error Missing_definition_of_return_and_arguments_types_of_recvfrom 
-  /* */ 
-#else 
-#define sreadfrom(s,b,bl,f,fl) (ssize_t)recvfrom((RECVFROM_TYPE_ARG1)  (s),  \ 
-                                                 (RECVFROM_TYPE_ARG2 *)(b),  \ 
-                                                 (RECVFROM_TYPE_ARG3)  (bl), \ 
-                                                 (RECVFROM_TYPE_ARG4)  (0),  \ 
-                                                 (RECVFROM_TYPE_ARG5 *)(f),  \ 
-                                                 (RECVFROM_TYPE_ARG6 *)(fl)) 
-#endif 
-#else /* HAVE_RECVFROM */ 
-#ifndef sreadfrom 
-  /* */ 
-  Error Missing_definition_of_macro_sreadfrom 
-  /* */ 
-#endif 
-#endif /* HAVE_RECVFROM */ 
- 
- 
-#ifdef RECVFROM_TYPE_ARG6_IS_VOID 
-#  define RECVFROM_ARG6_T int 
-#else 
-#  define RECVFROM_ARG6_T RECVFROM_TYPE_ARG6 
-#endif 
-#endif /* if 0 */ 
- 
- 
-/* 
- * Function-like macro definition used to close a socket. 
- */ 
- 
-#if defined(HAVE_CLOSESOCKET) 
-#  define sclose(x)  closesocket((x)) 
-#elif defined(HAVE_CLOSESOCKET_CAMEL) 
-#  define sclose(x)  CloseSocket((x)) 
-#elif defined(HAVE_CLOSE_S) 
-#  define sclose(x)  close_s((x)) 
-#elif defined(USE_LWIPSOCK) 
-#  define sclose(x)  lwip_close((x)) 
-#else 
-#  define sclose(x)  close((x)) 
-#endif 
- 
-/* 
- * Stack-independent version of fcntl() on sockets: 
- */ 
-#if defined(USE_LWIPSOCK) 
-#  define sfcntl  lwip_fcntl 
-#else 
-#  define sfcntl  fcntl 
-#endif 
- 
-#define TOLOWER(x)  (tolower((int)  ((unsigned char)x))) 
- 
- 
-/* 
- * 'bool' stuff compatible with HP-UX headers. 
- */ 
- 
-#if defined(__hpux) && !defined(HAVE_BOOL_T) 
-   typedef int bool; 
-#  define false 0 
-#  define true 1 
-#  define HAVE_BOOL_T 
-#endif 
- 
- 
-/* 
- * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms. 
- * On non-C99 platforms there's no bool, so define an enum for that. 
- * On C99 platforms 'false' and 'true' also exist. Enum uses a 
- * global namespace though, so use bool_false and bool_true. 
- */ 
- 
-#ifndef HAVE_BOOL_T 
-  typedef enum { 
-      bool_false = 0, 
-      bool_true  = 1 
-  } bool; 
- 
-/* 
- * Use a define to let 'true' and 'false' use those enums.  There 
- * are currently no use of true and false in libcurl proper, but 
- * there are some in the examples. This will cater for any later 
- * code happening to use true and false. 
- */ 
-#  define false bool_false 
-#  define true  bool_true 
-#  define HAVE_BOOL_T 
-#endif 
- 
- 
-/* 
- * Redefine TRUE and FALSE too, to catch current use. With this 
- * change, 'bool found = 1' will give a warning on MIPSPro, but 
- * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro, 
- * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too. 
- */ 
- 
-#ifndef TRUE 
-#define TRUE true 
-#endif 
-#ifndef FALSE 
-#define FALSE false 
-#endif 
- 
+                                    (SEND_TYPE_ARG3)(z), \
+                                    (SEND_TYPE_ARG4)(SEND_4TH_ARG))
+#endif
+#else /* HAVE_SEND */
+#ifndef swrite
+  /* */
+  Error Missing_definition_of_macro_swrite
+  /* */
+#endif
+#endif /* HAVE_SEND */
+
+
+#if 0
+#if defined(HAVE_RECVFROM)
+/*
+ * Currently recvfrom is only used on udp sockets.
+ */
+#if !defined(RECVFROM_TYPE_ARG1) || \
+    !defined(RECVFROM_TYPE_ARG2) || \
+    !defined(RECVFROM_TYPE_ARG3) || \
+    !defined(RECVFROM_TYPE_ARG4) || \
+    !defined(RECVFROM_TYPE_ARG5) || \
+    !defined(RECVFROM_TYPE_ARG6) || \
+    !defined(RECVFROM_TYPE_RETV)
+  /* */
+  Error Missing_definition_of_return_and_arguments_types_of_recvfrom
+  /* */
+#else
+#define sreadfrom(s,b,bl,f,fl) (ssize_t)recvfrom((RECVFROM_TYPE_ARG1)  (s),  \
+                                                 (RECVFROM_TYPE_ARG2 *)(b),  \
+                                                 (RECVFROM_TYPE_ARG3)  (bl), \
+                                                 (RECVFROM_TYPE_ARG4)  (0),  \
+                                                 (RECVFROM_TYPE_ARG5 *)(f),  \
+                                                 (RECVFROM_TYPE_ARG6 *)(fl))
+#endif
+#else /* HAVE_RECVFROM */
+#ifndef sreadfrom
+  /* */
+  Error Missing_definition_of_macro_sreadfrom
+  /* */
+#endif
+#endif /* HAVE_RECVFROM */
+
+
+#ifdef RECVFROM_TYPE_ARG6_IS_VOID
+#  define RECVFROM_ARG6_T int
+#else
+#  define RECVFROM_ARG6_T RECVFROM_TYPE_ARG6
+#endif
+#endif /* if 0 */
+
+
+/*
+ * Function-like macro definition used to close a socket.
+ */
+
+#if defined(HAVE_CLOSESOCKET)
+#  define sclose(x)  closesocket((x))
+#elif defined(HAVE_CLOSESOCKET_CAMEL)
+#  define sclose(x)  CloseSocket((x))
+#elif defined(HAVE_CLOSE_S)
+#  define sclose(x)  close_s((x))
+#elif defined(USE_LWIPSOCK)
+#  define sclose(x)  lwip_close((x))
+#else
+#  define sclose(x)  close((x))
+#endif
+
+/*
+ * Stack-independent version of fcntl() on sockets:
+ */
+#if defined(USE_LWIPSOCK)
+#  define sfcntl  lwip_fcntl
+#else
+#  define sfcntl  fcntl
+#endif
+
+#define TOLOWER(x)  (tolower((int)  ((unsigned char)x)))
+
+
+/*
+ * 'bool' stuff compatible with HP-UX headers.
+ */
+
+#if defined(__hpux) && !defined(HAVE_BOOL_T)
+   typedef int bool;
+#  define false 0
+#  define true 1
+#  define HAVE_BOOL_T
+#endif
+
+
+/*
+ * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.
+ * On non-C99 platforms there's no bool, so define an enum for that.
+ * On C99 platforms 'false' and 'true' also exist. Enum uses a
+ * global namespace though, so use bool_false and bool_true.
+ */
+
+#ifndef HAVE_BOOL_T
+  typedef enum {
+      bool_false = 0,
+      bool_true  = 1
+  } bool;
+
+/*
+ * Use a define to let 'true' and 'false' use those enums.  There
+ * are currently no use of true and false in libcurl proper, but
+ * there are some in the examples. This will cater for any later
+ * code happening to use true and false.
+ */
+#  define false bool_false
+#  define true  bool_true
+#  define HAVE_BOOL_T
+#endif
+
+
+/*
+ * Redefine TRUE and FALSE too, to catch current use. With this
+ * change, 'bool found = 1' will give a warning on MIPSPro, but
+ * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro,
+ * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too.
+ */
+
+#ifndef TRUE
+#define TRUE true
+#endif
+#ifndef FALSE
+#define FALSE false
+#endif
+
 #include "curl_ctype.h"
- 
-/* 
- * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type. 
- */ 
- 
-#ifndef HAVE_SIG_ATOMIC_T 
-typedef int sig_atomic_t; 
-#define HAVE_SIG_ATOMIC_T 
-#endif 
- 
- 
-/* 
- * Convenience SIG_ATOMIC_T definition 
- */ 
- 
-#ifdef HAVE_SIG_ATOMIC_T_VOLATILE 
-#define SIG_ATOMIC_T static sig_atomic_t 
-#else 
-#define SIG_ATOMIC_T static volatile sig_atomic_t 
-#endif 
- 
- 
-/* 
- * Default return type for signal handlers. 
- */ 
- 
-#ifndef RETSIGTYPE 
-#define RETSIGTYPE void 
-#endif 
- 
- 
-/* 
- * Macro used to include code only in debug builds. 
- */ 
- 
-#ifdef DEBUGBUILD 
-#define DEBUGF(x) x 
-#else 
+
+/*
+ * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type.
+ */
+
+#ifndef HAVE_SIG_ATOMIC_T
+typedef int sig_atomic_t;
+#define HAVE_SIG_ATOMIC_T
+#endif
+
+
+/*
+ * Convenience SIG_ATOMIC_T definition
+ */
+
+#ifdef HAVE_SIG_ATOMIC_T_VOLATILE
+#define SIG_ATOMIC_T static sig_atomic_t
+#else
+#define SIG_ATOMIC_T static volatile sig_atomic_t
+#endif
+
+
+/*
+ * Default return type for signal handlers.
+ */
+
+#ifndef RETSIGTYPE
+#define RETSIGTYPE void
+#endif
+
+
+/*
+ * Macro used to include code only in debug builds.
+ */
+
+#ifdef DEBUGBUILD
+#define DEBUGF(x) x
+#else
 #define DEBUGF(x) do { } while(0)
-#endif 
- 
- 
-/* 
- * Macro used to include assertion code only in debug builds. 
- */ 
- 
+#endif
+
+
+/*
+ * Macro used to include assertion code only in debug builds.
+ */
+
 #undef DEBUGASSERT
-#if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H) 
-#define DEBUGASSERT(x) assert(x) 
-#else 
+#if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H)
+#define DEBUGASSERT(x) assert(x)
+#else
 #define DEBUGASSERT(x) do { } while(0)
-#endif 
- 
- 
-/* 
- * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno 
- * (or equivalent) on this platform to hide platform details to code using it. 
- */ 
- 
-#ifdef USE_WINSOCK 
-#define SOCKERRNO         ((int)WSAGetLastError()) 
-#define SET_SOCKERRNO(x)  (WSASetLastError((int)(x))) 
-#else 
-#define SOCKERRNO         (errno) 
-#define SET_SOCKERRNO(x)  (errno = (x)) 
-#endif 
- 
- 
-/* 
- * Portable error number symbolic names defined to Winsock error codes. 
- */ 
- 
-#ifdef USE_WINSOCK 
-#undef  EBADF            /* override definition in errno.h */ 
-#define EBADF            WSAEBADF 
-#undef  EINTR            /* override definition in errno.h */ 
-#define EINTR            WSAEINTR 
-#undef  EINVAL           /* override definition in errno.h */ 
-#define EINVAL           WSAEINVAL 
-#undef  EWOULDBLOCK      /* override definition in errno.h */ 
-#define EWOULDBLOCK      WSAEWOULDBLOCK 
-#undef  EINPROGRESS      /* override definition in errno.h */ 
-#define EINPROGRESS      WSAEINPROGRESS 
-#undef  EALREADY         /* override definition in errno.h */ 
-#define EALREADY         WSAEALREADY 
-#undef  ENOTSOCK         /* override definition in errno.h */ 
-#define ENOTSOCK         WSAENOTSOCK 
-#undef  EDESTADDRREQ     /* override definition in errno.h */ 
-#define EDESTADDRREQ     WSAEDESTADDRREQ 
-#undef  EMSGSIZE         /* override definition in errno.h */ 
-#define EMSGSIZE         WSAEMSGSIZE 
-#undef  EPROTOTYPE       /* override definition in errno.h */ 
-#define EPROTOTYPE       WSAEPROTOTYPE 
-#undef  ENOPROTOOPT      /* override definition in errno.h */ 
-#define ENOPROTOOPT      WSAENOPROTOOPT 
-#undef  EPROTONOSUPPORT  /* override definition in errno.h */ 
-#define EPROTONOSUPPORT  WSAEPROTONOSUPPORT 
-#define ESOCKTNOSUPPORT  WSAESOCKTNOSUPPORT 
-#undef  EOPNOTSUPP       /* override definition in errno.h */ 
-#define EOPNOTSUPP       WSAEOPNOTSUPP 
-#define EPFNOSUPPORT     WSAEPFNOSUPPORT 
-#undef  EAFNOSUPPORT     /* override definition in errno.h */ 
-#define EAFNOSUPPORT     WSAEAFNOSUPPORT 
-#undef  EADDRINUSE       /* override definition in errno.h */ 
-#define EADDRINUSE       WSAEADDRINUSE 
-#undef  EADDRNOTAVAIL    /* override definition in errno.h */ 
-#define EADDRNOTAVAIL    WSAEADDRNOTAVAIL 
-#undef  ENETDOWN         /* override definition in errno.h */ 
-#define ENETDOWN         WSAENETDOWN 
-#undef  ENETUNREACH      /* override definition in errno.h */ 
-#define ENETUNREACH      WSAENETUNREACH 
-#undef  ENETRESET        /* override definition in errno.h */ 
-#define ENETRESET        WSAENETRESET 
-#undef  ECONNABORTED     /* override definition in errno.h */ 
-#define ECONNABORTED     WSAECONNABORTED 
-#undef  ECONNRESET       /* override definition in errno.h */ 
-#define ECONNRESET       WSAECONNRESET 
-#undef  ENOBUFS          /* override definition in errno.h */ 
-#define ENOBUFS          WSAENOBUFS 
-#undef  EISCONN          /* override definition in errno.h */ 
-#define EISCONN          WSAEISCONN 
-#undef  ENOTCONN         /* override definition in errno.h */ 
-#define ENOTCONN         WSAENOTCONN 
-#define ESHUTDOWN        WSAESHUTDOWN 
-#define ETOOMANYREFS     WSAETOOMANYREFS 
-#undef  ETIMEDOUT        /* override definition in errno.h */ 
-#define ETIMEDOUT        WSAETIMEDOUT 
-#undef  ECONNREFUSED     /* override definition in errno.h */ 
-#define ECONNREFUSED     WSAECONNREFUSED 
-#undef  ELOOP            /* override definition in errno.h */ 
-#define ELOOP            WSAELOOP 
-#ifndef ENAMETOOLONG     /* possible previous definition in errno.h */ 
-#define ENAMETOOLONG     WSAENAMETOOLONG 
-#endif 
-#define EHOSTDOWN        WSAEHOSTDOWN 
-#undef  EHOSTUNREACH     /* override definition in errno.h */ 
-#define EHOSTUNREACH     WSAEHOSTUNREACH 
-#ifndef ENOTEMPTY        /* possible previous definition in errno.h */ 
-#define ENOTEMPTY        WSAENOTEMPTY 
-#endif 
-#define EPROCLIM         WSAEPROCLIM 
-#define EUSERS           WSAEUSERS 
-#define EDQUOT           WSAEDQUOT 
-#define ESTALE           WSAESTALE 
-#define EREMOTE          WSAEREMOTE 
-#endif 
- 
-/* 
- * Macro argv_item_t hides platform details to code using it. 
- */ 
- 
-#ifdef __VMS 
-#define argv_item_t  __char_ptr32 
+#endif
+
+
+/*
+ * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno
+ * (or equivalent) on this platform to hide platform details to code using it.
+ */
+
+#ifdef USE_WINSOCK
+#define SOCKERRNO         ((int)WSAGetLastError())
+#define SET_SOCKERRNO(x)  (WSASetLastError((int)(x)))
+#else
+#define SOCKERRNO         (errno)
+#define SET_SOCKERRNO(x)  (errno = (x))
+#endif
+
+
+/*
+ * Portable error number symbolic names defined to Winsock error codes.
+ */
+
+#ifdef USE_WINSOCK
+#undef  EBADF            /* override definition in errno.h */
+#define EBADF            WSAEBADF
+#undef  EINTR            /* override definition in errno.h */
+#define EINTR            WSAEINTR
+#undef  EINVAL           /* override definition in errno.h */
+#define EINVAL           WSAEINVAL
+#undef  EWOULDBLOCK      /* override definition in errno.h */
+#define EWOULDBLOCK      WSAEWOULDBLOCK
+#undef  EINPROGRESS      /* override definition in errno.h */
+#define EINPROGRESS      WSAEINPROGRESS
+#undef  EALREADY         /* override definition in errno.h */
+#define EALREADY         WSAEALREADY
+#undef  ENOTSOCK         /* override definition in errno.h */
+#define ENOTSOCK         WSAENOTSOCK
+#undef  EDESTADDRREQ     /* override definition in errno.h */
+#define EDESTADDRREQ     WSAEDESTADDRREQ
+#undef  EMSGSIZE         /* override definition in errno.h */
+#define EMSGSIZE         WSAEMSGSIZE
+#undef  EPROTOTYPE       /* override definition in errno.h */
+#define EPROTOTYPE       WSAEPROTOTYPE
+#undef  ENOPROTOOPT      /* override definition in errno.h */
+#define ENOPROTOOPT      WSAENOPROTOOPT
+#undef  EPROTONOSUPPORT  /* override definition in errno.h */
+#define EPROTONOSUPPORT  WSAEPROTONOSUPPORT
+#define ESOCKTNOSUPPORT  WSAESOCKTNOSUPPORT
+#undef  EOPNOTSUPP       /* override definition in errno.h */
+#define EOPNOTSUPP       WSAEOPNOTSUPP
+#define EPFNOSUPPORT     WSAEPFNOSUPPORT
+#undef  EAFNOSUPPORT     /* override definition in errno.h */
+#define EAFNOSUPPORT     WSAEAFNOSUPPORT
+#undef  EADDRINUSE       /* override definition in errno.h */
+#define EADDRINUSE       WSAEADDRINUSE
+#undef  EADDRNOTAVAIL    /* override definition in errno.h */
+#define EADDRNOTAVAIL    WSAEADDRNOTAVAIL
+#undef  ENETDOWN         /* override definition in errno.h */
+#define ENETDOWN         WSAENETDOWN
+#undef  ENETUNREACH      /* override definition in errno.h */
+#define ENETUNREACH      WSAENETUNREACH
+#undef  ENETRESET        /* override definition in errno.h */
+#define ENETRESET        WSAENETRESET
+#undef  ECONNABORTED     /* override definition in errno.h */
+#define ECONNABORTED     WSAECONNABORTED
+#undef  ECONNRESET       /* override definition in errno.h */
+#define ECONNRESET       WSAECONNRESET
+#undef  ENOBUFS          /* override definition in errno.h */
+#define ENOBUFS          WSAENOBUFS
+#undef  EISCONN          /* override definition in errno.h */
+#define EISCONN          WSAEISCONN
+#undef  ENOTCONN         /* override definition in errno.h */
+#define ENOTCONN         WSAENOTCONN
+#define ESHUTDOWN        WSAESHUTDOWN
+#define ETOOMANYREFS     WSAETOOMANYREFS
+#undef  ETIMEDOUT        /* override definition in errno.h */
+#define ETIMEDOUT        WSAETIMEDOUT
+#undef  ECONNREFUSED     /* override definition in errno.h */
+#define ECONNREFUSED     WSAECONNREFUSED
+#undef  ELOOP            /* override definition in errno.h */
+#define ELOOP            WSAELOOP
+#ifndef ENAMETOOLONG     /* possible previous definition in errno.h */
+#define ENAMETOOLONG     WSAENAMETOOLONG
+#endif
+#define EHOSTDOWN        WSAEHOSTDOWN
+#undef  EHOSTUNREACH     /* override definition in errno.h */
+#define EHOSTUNREACH     WSAEHOSTUNREACH
+#ifndef ENOTEMPTY        /* possible previous definition in errno.h */
+#define ENOTEMPTY        WSAENOTEMPTY
+#endif
+#define EPROCLIM         WSAEPROCLIM
+#define EUSERS           WSAEUSERS
+#define EDQUOT           WSAEDQUOT
+#define ESTALE           WSAESTALE
+#define EREMOTE          WSAEREMOTE
+#endif
+
+/*
+ * Macro argv_item_t hides platform details to code using it.
+ */
+
+#ifdef __VMS
+#define argv_item_t  __char_ptr32
 #elif defined(_UNICODE)
 #define argv_item_t wchar_t *
-#else 
-#define argv_item_t  char * 
-#endif 
- 
- 
-/* 
- * We use this ZERO_NULL to avoid picky compiler warnings, 
- * when assigning a NULL pointer to a function pointer var. 
- */ 
- 
-#define ZERO_NULL 0 
- 
- 
-#endif /* HEADER_CURL_SETUP_ONCE_H */ 
+#else
+#define argv_item_t  char *
+#endif
+
+
+/*
+ * We use this ZERO_NULL to avoid picky compiler warnings,
+ * when assigning a NULL pointer to a function pointer var.
+ */
+
+#define ZERO_NULL 0
+
+
+#endif /* HEADER_CURL_SETUP_ONCE_H */