1 files changed, 477 insertions, 0 deletions
diff --git a/libpq/postgresql/port.h b/libpq/postgresql/port.h
new file mode 100644
index 0000000..a61e59c
--- /dev/null
+++ b/libpq/postgresql/port.h
@@ -0,0 +1,477 @@
+/*-------------------------------------------------------------------------
+ *
+ * port.h
+ *	  Header for src/port/ compatibility functions.
+ *
+ * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/port.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_PORT_H
+#define PG_PORT_H
+
+#include <ctype.h>
+#include <netdb.h>
+#include <pwd.h>
+
+/* socket has a different definition on WIN32 */
+#ifndef WIN32
+typedef int pgsocket;
+
+#define PGINVALID_SOCKET (-1)
+#else
+typedef SOCKET pgsocket;
+
+#define PGINVALID_SOCKET INVALID_SOCKET
+#endif
+
+/* non-blocking */
+extern bool pg_set_noblock(pgsocket sock);
+extern bool pg_set_block(pgsocket sock);
+
+/* Portable path handling for Unix/Win32 (in path.c) */
+
+extern bool has_drive_prefix(const char *filename);
+extern char *first_dir_separator(const char *filename);
+extern char *last_dir_separator(const char *filename);
+extern char *first_path_var_separator(const char *pathlist);
+extern void join_path_components(char *ret_path,
+					 const char *head, const char *tail);
+extern void canonicalize_path(char *path);
+extern void make_native_path(char *path);
+extern void cleanup_path(char *path);
+extern bool path_contains_parent_reference(const char *path);
+extern bool path_is_relative_and_below_cwd(const char *path);
+extern bool path_is_prefix_of_path(const char *path1, const char *path2);
+extern char *make_absolute_path(const char *path);
+extern const char *get_progname(const char *argv0);
+extern void get_share_path(const char *my_exec_path, char *ret_path);
+extern void get_etc_path(const char *my_exec_path, char *ret_path);
+extern void get_include_path(const char *my_exec_path, char *ret_path);
+extern void get_pkginclude_path(const char *my_exec_path, char *ret_path);
+extern void get_includeserver_path(const char *my_exec_path, char *ret_path);
+extern void get_lib_path(const char *my_exec_path, char *ret_path);
+extern void get_pkglib_path(const char *my_exec_path, char *ret_path);
+extern void get_locale_path(const char *my_exec_path, char *ret_path);
+extern void get_doc_path(const char *my_exec_path, char *ret_path);
+extern void get_html_path(const char *my_exec_path, char *ret_path);
+extern void get_man_path(const char *my_exec_path, char *ret_path);
+extern bool get_home_path(char *ret_path);
+extern void get_parent_directory(char *path);
+
+/* common/pgfnames.c */
+extern char **pgfnames(const char *path);
+extern void pgfnames_cleanup(char **filenames);
+
+/*
+ *	is_absolute_path
+ *
+ *	By making this a macro we avoid needing to include path.c in libpq.
+ */
+#ifndef WIN32
+#define IS_DIR_SEP(ch)	((ch) == '/')
+
+#define is_absolute_path(filename) \
+( \
+	IS_DIR_SEP((filename)[0]) \
+)
+#else
+#define IS_DIR_SEP(ch)	((ch) == '/' || (ch) == '\\')
+
+/* See path_is_relative_and_below_cwd() for how we handle 'E:abc'. */
+#define is_absolute_path(filename) \
+( \
+	IS_DIR_SEP((filename)[0]) || \
+	(isalpha((unsigned char) ((filename)[0])) && (filename)[1] == ':' && \
+	 IS_DIR_SEP((filename)[2])) \
+)
+#endif
+
+/* Portable locale initialization (in exec.c) */
+extern void set_pglocale_pgservice(const char *argv0, const char *app);
+
+/* Portable way to find binaries (in exec.c) */
+extern int	find_my_exec(const char *argv0, char *retpath);
+extern int find_other_exec(const char *argv0, const char *target,
+				const char *versionstr, char *retpath);
+
+/* Windows security token manipulation (in exec.c) */
+#ifdef WIN32
+extern BOOL AddUserToTokenDacl(HANDLE hToken);
+#endif
+
+
+#if defined(WIN32) || defined(__CYGWIN__)
+#define EXE ".exe"
+#else
+#define EXE ""
+#endif
+
+#if defined(WIN32) && !defined(__CYGWIN__)
+#define DEVNULL "nul"
+#else
+#define DEVNULL "/dev/null"
+#endif
+
+/* Portable delay handling */
+extern void pg_usleep(long microsec);
+
+/* Portable SQL-like case-independent comparisons and conversions */
+extern int	pg_strcasecmp(const char *s1, const char *s2);
+extern int	pg_strncasecmp(const char *s1, const char *s2, size_t n);
+extern unsigned char pg_toupper(unsigned char ch);
+extern unsigned char pg_tolower(unsigned char ch);
+extern unsigned char pg_ascii_toupper(unsigned char ch);
+extern unsigned char pg_ascii_tolower(unsigned char ch);
+
+#ifdef USE_REPL_SNPRINTF
+
+/*
+ * Versions of libintl >= 0.13 try to replace printf() and friends with
+ * macros to their own versions that understand the %$ format.  We do the
+ * same, so disable their macros, if they exist.
+ */
+#ifdef vsnprintf
+#undef vsnprintf
+#endif
+#ifdef snprintf
+#undef snprintf
+#endif
+#ifdef sprintf
+#undef sprintf
+#endif
+#ifdef vfprintf
+#undef vfprintf
+#endif
+#ifdef fprintf
+#undef fprintf
+#endif
+#ifdef printf
+#undef printf
+#endif
+
+extern int	pg_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
+extern int	pg_snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3, 4);
+extern int	pg_sprintf(char *str, const char *fmt,...) pg_attribute_printf(2, 3);
+extern int	pg_vfprintf(FILE *stream, const char *fmt, va_list args);
+extern int	pg_fprintf(FILE *stream, const char *fmt,...) pg_attribute_printf(2, 3);
+extern int	pg_printf(const char *fmt,...) pg_attribute_printf(1, 2);
+
+/*
+ *	The GCC-specific code below prevents the pg_attribute_printf above from
+ *	being replaced, and this is required because gcc doesn't know anything
+ *	about pg_printf.
+ */
+#ifdef __GNUC__
+#define vsnprintf(...)	pg_vsnprintf(__VA_ARGS__)
+#define snprintf(...)	pg_snprintf(__VA_ARGS__)
+#define sprintf(...)	pg_sprintf(__VA_ARGS__)
+#define vfprintf(...)	pg_vfprintf(__VA_ARGS__)
+#define fprintf(...)	pg_fprintf(__VA_ARGS__)
+#define printf(...)		pg_printf(__VA_ARGS__)
+#else
+#define vsnprintf		pg_vsnprintf
+#define snprintf		pg_snprintf
+#define sprintf			pg_sprintf
+#define vfprintf		pg_vfprintf
+#define fprintf			pg_fprintf
+#define printf			pg_printf
+#endif
+#endif   /* USE_REPL_SNPRINTF */
+
+#if defined(WIN32)
+/*
+ * Versions of libintl >= 0.18? try to replace setlocale() with a macro
+ * to their own versions.  Remove the macro, if it exists, because it
+ * ends up calling the wrong version when the backend and libintl use
+ * different versions of msvcrt.
+ */
+#if defined(setlocale)
+#undef setlocale
+#endif
+
+/*
+ * Define our own wrapper macro around setlocale() to work around bugs in
+ * Windows' native setlocale() function.
+ */
+extern char *pgwin32_setlocale(int category, const char *locale);
+
+#define setlocale(a,b) pgwin32_setlocale(a,b)
+#endif   /* WIN32 */
+
+/* Portable prompt handling */
+extern char *simple_prompt(const char *prompt, int maxlen, bool echo);
+
+#ifdef WIN32
+#define PG_SIGNAL_COUNT 32
+#define kill(pid,sig)	pgkill(pid,sig)
+extern int	pgkill(int pid, int sig);
+#endif
+
+extern int	pclose_check(FILE *stream);
+
+/* Global variable holding time zone information. */
+#if defined(WIN32) || defined(__CYGWIN__)
+#define TIMEZONE_GLOBAL _timezone
+#define TZNAME_GLOBAL _tzname
+#else
+#define TIMEZONE_GLOBAL timezone
+#define TZNAME_GLOBAL tzname
+#endif
+
+#if defined(WIN32) || defined(__CYGWIN__)
+/*
+ *	Win32 doesn't have reliable rename/unlink during concurrent access.
+ */
+extern int	pgrename(const char *from, const char *to);
+extern int	pgunlink(const char *path);
+
+/* Include this first so later includes don't see these defines */
+#ifdef WIN32_ONLY_COMPILER
+#include <io.h>
+#endif
+
+#define rename(from, to)		pgrename(from, to)
+#define unlink(path)			pgunlink(path)
+#endif   /* defined(WIN32) || defined(__CYGWIN__) */
+
+/*
+ *	Win32 also doesn't have symlinks, but we can emulate them with
+ *	junction points on newer Win32 versions.
+ *
+ *	Cygwin has its own symlinks which work on Win95/98/ME where
+ *	junction points don't, so use those instead.  We have no way of
+ *	knowing what type of system Cygwin binaries will be run on.
+ *		Note: Some CYGWIN includes might #define WIN32.
+ */
+#if defined(WIN32) && !defined(__CYGWIN__)
+extern int	pgsymlink(const char *oldpath, const char *newpath);
+extern int	pgreadlink(const char *path, char *buf, size_t size);
+extern bool pgwin32_is_junction(char *path);
+
+#define symlink(oldpath, newpath)	pgsymlink(oldpath, newpath)
+#define readlink(path, buf, size)	pgreadlink(path, buf, size)
+#endif
+
+extern bool rmtree(const char *path, bool rmtopdir);
+
+/*
+ * stat() is not guaranteed to set the st_size field on win32, so we
+ * redefine it to our own implementation that is.
+ *
+ * We must pull in sys/stat.h here so the system header definition
+ * goes in first, and we redefine that, and not the other way around.
+ *
+ * Some frontends don't need the size from stat, so if UNSAFE_STAT_OK
+ * is defined we don't bother with this.
+ */
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(UNSAFE_STAT_OK)
+#include <sys/stat.h>
+extern int	pgwin32_safestat(const char *path, struct stat * buf);
+
+#define stat(a,b) pgwin32_safestat(a,b)
+#endif
+
+#if defined(WIN32) && !defined(__CYGWIN__)
+
+/*
+ * open() and fopen() replacements to allow deletion of open files and
+ * passing of other special options.
+ */
+#define		O_DIRECT	0x80000000
+extern int	pgwin32_open(const char *, int,...);
+extern FILE *pgwin32_fopen(const char *, const char *);
+
+#ifndef FRONTEND
+#define		open(a,b,c) pgwin32_open(a,b,c)
+#define		fopen(a,b) pgwin32_fopen(a,b)
+#endif
+
+/*
+ * Mingw-w64 headers #define popen and pclose to _popen and _pclose.  We want
+ * to use our popen wrapper, rather than plain _popen, so override that.  For
+ * consistency, use our version of pclose, too.
+ */
+#ifdef popen
+#undef popen
+#endif
+#ifdef pclose
+#undef pclose
+#endif
+
+/*
+ * system() and popen() replacements to enclose the command in an extra
+ * pair of quotes.
+ */
+extern int	pgwin32_system(const char *command);
+extern FILE *pgwin32_popen(const char *command, const char *type);
+
+#define system(a) pgwin32_system(a)
+#define popen(a,b) pgwin32_popen(a,b)
+#define pclose(a) _pclose(a)
+
+/* New versions of MingW have gettimeofday, old mingw and msvc don't */
+#ifndef HAVE_GETTIMEOFDAY
+/* Last parameter not used */
+extern int	gettimeofday(struct timeval * tp, struct timezone * tzp);
+#endif
+#else							/* !WIN32 */
+
+/*
+ *	Win32 requires a special close for sockets and pipes, while on Unix
+ *	close() does them all.
+ */
+#define closesocket close
+#endif   /* WIN32 */
+
+/*
+ * On Windows, setvbuf() does not support _IOLBF mode, and interprets that
+ * as _IOFBF.  To add insult to injury, setvbuf(file, NULL, _IOFBF, 0)
+ * crashes outright if "parameter validation" is enabled.  Therefore, in
+ * places where we'd like to select line-buffered mode, we fall back to
+ * unbuffered mode instead on Windows.  Always use PG_IOLBF not _IOLBF
+ * directly in order to implement this behavior.
+ */
+#ifndef WIN32
+#define PG_IOLBF	_IOLBF
+#else
+#define PG_IOLBF	_IONBF
+#endif
+
+/*
+ * Default "extern" declarations or macro substitutes for library routines.
+ * When necessary, these routines are provided by files in src/port/.
+ */
+#ifndef HAVE_CRYPT
+extern char *crypt(const char *key, const char *setting);
+#endif
+
+/* WIN32 handled in port/win32.h */
+#ifndef WIN32
+#define pgoff_t off_t
+#ifdef __NetBSD__
+extern int	fseeko(FILE *stream, off_t offset, int whence);
+extern off_t ftello(FILE *stream);
+#endif
+#endif
+
+extern double pg_erand48(unsigned short xseed[3]);
+extern long pg_lrand48(void);
+extern void pg_srand48(long seed);
+
+#ifndef HAVE_FLS
+extern int	fls(int mask);
+#endif
+
+#ifndef HAVE_FSEEKO
+#define fseeko(a, b, c) fseek(a, b, c)
+#define ftello(a)		ftell(a)
+#endif
+
+#if !defined(HAVE_GETPEEREID) && !defined(WIN32)
+extern int	getpeereid(int sock, uid_t *uid, gid_t *gid);
+#endif
+
+#ifndef HAVE_ISINF
+extern int	isinf(double x);
+#endif
+
+#ifndef HAVE_MKDTEMP
+extern char *mkdtemp(char *path);
+#endif
+
+#ifndef HAVE_RINT
+extern double rint(double x);
+#endif
+
+#ifndef HAVE_INET_ATON
+#include <netinet/in.h>
+#include <arpa/inet.h>
+extern int	inet_aton(const char *cp, struct in_addr * addr);
+#endif
+
+#if !HAVE_DECL_STRLCAT
+extern size_t strlcat(char *dst, const char *src, size_t siz);
+#endif
+
+#if !HAVE_DECL_STRLCPY
+extern size_t strlcpy(char *dst, const char *src, size_t siz);
+#endif
+
+#if !defined(HAVE_RANDOM) && !defined(__BORLANDC__)
+extern long random(void);
+#endif
+
+#ifndef HAVE_UNSETENV
+extern void unsetenv(const char *name);
+#endif
+
+#ifndef HAVE_SRANDOM
+extern void srandom(unsigned int seed);
+#endif
+
+#ifndef HAVE_SSL_GET_CURRENT_COMPRESSION
+#define SSL_get_current_compression(x) 0
+#endif
+
+/* thread.h */
+extern char *pqStrerror(int errnum, char *strerrbuf, size_t buflen);
+
+#ifndef WIN32
+extern int pqGetpwuid(uid_t uid, struct passwd * resultbuf, char *buffer,
+		   size_t buflen, struct passwd ** result);
+#endif
+
+extern int pqGethostbyname(const char *name,
+				struct hostent * resultbuf,
+				char *buffer, size_t buflen,
+				struct hostent ** result,
+				int *herrno);
+
+extern void pg_qsort(void *base, size_t nel, size_t elsize,
+		 int (*cmp) (const void *, const void *));
+extern int	pg_qsort_strcmp(const void *a, const void *b);
+
+#define qsort(a,b,c,d) pg_qsort(a,b,c,d)
+
+typedef int (*qsort_arg_comparator) (const void *a, const void *b, void *arg);
+
+extern void qsort_arg(void *base, size_t nel, size_t elsize,
+		  qsort_arg_comparator cmp, void *arg);
+
+/* port/chklocale.c */
+extern int	pg_get_encoding_from_locale(const char *ctype, bool write_message);
+
+#if defined(WIN32) && !defined(FRONTEND)
+extern int	pg_codepage_to_encoding(UINT cp);
+#endif
+
+/* port/inet_net_ntop.c */
+extern char *inet_net_ntop(int af, const void *src, int bits,
+			  char *dst, size_t size);
+
+/* port/pgcheckdir.c */
+extern int	pg_check_dir(const char *dir);
+
+/* port/pgmkdirp.c */
+extern int	pg_mkdir_p(char *path, int omode);
+
+/* port/pqsignal.c */
+typedef void (*pqsigfunc) (int signo);
+extern pqsigfunc pqsignal(int signo, pqsigfunc func);
+#ifndef WIN32
+extern pqsigfunc pqsignal_no_restart(int signo, pqsigfunc func);
+#else
+#define pqsignal_no_restart(signo, func) pqsignal(signo, func)
+#endif
+
+/* port/quotes.c */
+extern char *escape_single_quotes_ascii(const char *src);
+
+/* port/wait_error.c */
+extern char *wait_result_to_str(int exit_status);
+
+#endif   /* PG_PORT_H */