* port.h
* Header for src/port/ compatibility functions.
*
- * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/port.h,v 1.102 2006/10/02 00:06:18 tgl Exp $
+ * 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(int sock);
-extern bool pg_set_block(int sock);
+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_separator(const char *pathlist);
+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 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_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) \
( \
- ((filename)[0] == '/') \
+ 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) \
( \
- ((filename)[0] == '/') || \
- (filename)[0] == '\\' || \
+ IS_DIR_SEP((filename)[0]) || \
(isalpha((unsigned char) ((filename)[0])) && (filename)[1] == ':' && \
- ((filename)[2] == '\\' || (filename)[2] == '/')) \
+ IS_DIR_SEP((filename)[2])) \
)
#endif
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
#if defined(WIN32) && !defined(__CYGWIN__)
#define DEVNULL "nul"
-/* "con" does not work from the Msys 1.0.10 console (part of MinGW). */
-#define DEVTTY "con"
#else
#define DEVNULL "/dev/null"
-#define DEVTTY "/dev/tty"
-#endif
-
-/*
- * Win32 needs double quotes at the beginning and end of system()
- * strings. If not, it gets confused with multiple quoted strings.
- * It also requires double-quotes around the executable name and
- * any files used for redirection. Other args can use single-quotes.
- *
- * Generated using Win32 "CMD /?":
- *
- * 1. If all of the following conditions are met, then quote characters
- * on the command line are preserved:
- *
- * - no /S switch
- * - exactly two quote characters
- * - no special characters between the two quote characters, where special
- * is one of: &<>()@^|
- * - there are one or more whitespace characters between the the two quote
- * characters
- * - the string between the two quote characters is the name of an
- * executable file.
- *
- * 2. Otherwise, old behavior is to see if the first character is a quote
- * character and if so, strip the leading character and remove the last
- * quote character on the command line, preserving any text after the last
- * quote character.
- */
-#if defined(WIN32) && !defined(__CYGWIN__)
-#define SYSTEMQUOTE "\""
-#else
-#define SYSTEMQUOTE ""
#endif
/* Portable delay handling */
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
#ifdef sprintf
#undef sprintf
#endif
+#ifdef vfprintf
+#undef vfprintf
+#endif
#ifdef fprintf
#undef fprintf
#endif
extern int
pg_snprintf(char *str, size_t count, const char *fmt,...)
/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 3, 4)));
+pg_attribute_printf(3, 4);
extern int
pg_sprintf(char *str, const char *fmt,...)
/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 2, 3)));
+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,...)
/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 2, 3)));
+pg_attribute_printf(2, 3);
extern int
pg_printf(const char *fmt,...)
/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 1, 2)));
+pg_attribute_printf(1, 2);
/*
- * The GCC-specific code below prevents the __attribute__(... 'printf')
- * above from being replaced, and this is required because gcc doesn't
- * know anything about pg_printf.
+ * 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 */
-#endif /* USE_REPL_SNPRINTF */
-
-/* Portable prompt handling */
-extern char *simple_prompt(const char *prompt, int maxlen, bool echo);
-
+#if defined(WIN32)
/*
- * WIN32 doesn't allow descriptors returned by pipe() to be used in select(),
- * so for that platform we use socket() instead of pipe().
- * There is some inconsistency here because sometimes we require pg*, like
- * pgpipe, but in other cases we define rename to pgrename just on 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.
*/
-#ifndef WIN32
+#if defined(setlocale)
+#undef setlocale
+#endif
+
/*
- * The function prototypes are not supplied because every C file
- * includes this file.
+ * Define our own wrapper macro around setlocale() to work around bugs in
+ * Windows' native setlocale() function.
*/
-#define pgpipe(a) pipe(a)
-#define piperead(a,b,c) read(a,b,c)
-#define pipewrite(a,b,c) write(a,b,c)
-#else
-extern int pgpipe(int handles[2]);
-extern int piperead(int s, char *buf, int len);
+extern char *pgwin32_setlocale(int category, const char *locale);
-#define pipewrite(a,b,c) send(a,b,c,0)
+#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);
#if defined(WIN32) || defined(__CYGWIN__)
/*
- * Win32 doesn't have reliable rename/unlink during concurrent access,
- * and we need special code to do symlinks.
+ * 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);
#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 it instead. We have no way of
+ * 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
-#endif /* defined(WIN32) || defined(__CYGWIN__) */
-extern void copydir(char *fromdir, char *todir, bool recurse);
+extern bool rmtree(const char *path, bool rmtopdir);
-extern bool rmtree(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
+/*
+ * 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 open(a,b,c) pgwin32_open(a,b,c)
#define fopen(a,b) pgwin32_fopen(a,b)
#endif
-#define popen(a,b) _popen(a,b)
-#define pclose(a) _pclose(a)
+/*
+ * 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
-/* Missing rand functions */
-extern long lrand48(void);
-extern void srand48(long seed);
+/*
+ * 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 */
/*
#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/.
extern char *crypt(const char *key, const char *setting);
#endif
-#if defined(bsdi) || defined(netbsd)
+/* 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
-#ifndef HAVE_GETOPT
-extern int getopt(int nargc, char *const * nargv, const char *ostr);
+#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
extern int inet_aton(const char *cp, struct in_addr * addr);
#endif
-#ifndef HAVE_STRDUP
-extern char *strdup(const char *str);
+#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
-#ifndef HAVE_RANDOM
+#if !defined(HAVE_RANDOM) && !defined(__BORLANDC__)
extern long random(void);
#endif
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);
-#if !defined(WIN32) || defined(__CYGWIN__)
+#ifndef WIN32
extern int pqGetpwuid(uid_t uid, struct passwd * resultbuf, char *buffer,
size_t buflen, struct passwd ** result);
#endif
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);
+
+/* 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 */
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