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155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/*-------------------------------------------------------------------------
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*
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* port.h
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* Header for /port compatibility functions.
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*
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* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/port.h,v 1.22 2004/03/10 21:12:46 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#if !defined(_MSC_VER) && !defined(__BORLANDC__)
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/* for thread.c */
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#include <pwd.h>
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#include <netdb.h>
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#endif
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/* non-blocking */
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bool set_noblock(int sock);
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/* Portable path handling for Unix/Win32 */
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extern bool is_absolute_path(const char *filename);
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extern char *first_path_separator(const char *filename);
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extern char *last_path_separator(const char *filename);
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extern void canonicalize_path(char *path);
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extern char *get_progname(char *argv0);
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/* Portable delay handling */
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extern void pg_usleep(long microsec);
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/* Portable prompt handling */
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extern char *simple_prompt(const char *prompt, int maxlen, bool echo);
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#if defined(bsdi) || defined(netbsd)
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extern int fseeko(FILE *stream, off_t offset, int whence);
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extern off_t ftello(FILE *stream);
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#endif
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#if defined(WIN32) || defined(__CYGWIN__)
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/*
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* Win32 doesn't have reliable rename/unlink during concurrent access
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*/
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extern int pgrename(const char *from, const char *to);
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extern int pgunlink(const char *path);
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#define rename(from, to) pgrename(from, to)
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#define unlink(path) pgunlink(path)
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#endif
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#ifdef WIN32
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extern int copydir(char *fromdir, char *todir);
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/* Missing rand functions */
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extern long lrand48(void);
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extern void srand48(long seed);
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/* Last parameter not used */
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extern int gettimeofday(struct timeval * tp, struct timezone * tzp);
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#else
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/*
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* Win32 requires a special close for sockets and pipes, while on Unix
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* close() does them all.
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*/
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#define closesocket close
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#endif
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/*
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* Default "extern" declarations or macro substitutes for library routines.
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* When necessary, these routines are provided by files in src/port/.
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*/
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#ifndef HAVE_CRYPT
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extern char *crypt(const char *key, const char *setting);
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#endif
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#ifndef HAVE_FSEEKO
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#define fseeko(a, b, c) fseek((a), (b), (c))
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#define ftello(a) ftell((a))
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#endif
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#ifndef HAVE_GETOPT
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extern int getopt(int nargc, char *const * nargv, const char *ostr);
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#endif
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#ifndef HAVE_ISINF
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extern int isinf(double x);
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#endif
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#if !defined(HAVE_GETHOSTNAME) && defined(KRB4)
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extern int gethostname(char *name, int namelen);
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#endif
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#ifndef HAVE_RINT
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extern double rint(double x);
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#endif
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#ifndef HAVE_INET_ATON
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#if !defined(_MSC_VER) && !defined(__BORLANDC__)
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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extern int inet_aton(const char *cp, struct in_addr * addr);
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#endif
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#ifndef HAVE_STRCASECMP
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extern int strcasecmp(char *s1, char *s2);
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#endif
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#ifndef HAVE_STRDUP
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extern char *strdup(char const *);
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#endif
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#ifndef HAVE_RANDOM
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extern long random(void);
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#endif
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#ifndef HAVE_SRANDOM
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extern void srandom(unsigned int seed);
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#endif
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/* thread.h */
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extern char *pqStrerror(int errnum, char *strerrbuf, size_t buflen);
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#ifndef WIN32
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extern int pqGetpwuid(uid_t uid, struct passwd * resultbuf, char *buffer,
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size_t buflen, struct passwd **result);
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#endif
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extern int pqGethostbyname(const char *name,
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struct hostent *resultbuf,
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char *buffer, size_t buflen,
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struct hostent **result,
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int *herrno);
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/* $PATH (or %PATH%) path separator */
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#ifdef WIN32
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#define PATHSEP ';'
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#else
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#define PATHSEP ':'
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#endif
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/* FIXME: [win32] Placeholder win32 replacements, to allow continued development */
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#ifdef WIN32
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#define fsync(a) _commit(a)
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#define sync() _flushall()
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#define ftruncate(a,b) chsize(a,b)
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#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
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#define WIFEXITED(w) (((w) & 0xff) == 0)
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#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
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#define WTERMSIG(w) ((w) & 0x7f)
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#endif
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